{"id":3712,"date":"2026-03-02T09:18:28","date_gmt":"2026-03-02T08:18:28","guid":{"rendered":"https:\/\/www.sanacon.be\/materiels\/conseils-en-matiere-de-beton-durable\/"},"modified":"2026-09-05T11:24:42","modified_gmt":"2026-09-05T09:24:42","slug":"conseils-en-matiere-de-beton-durable","status":"publish","type":"page","link":"https:\/\/www.sanacon.be\/fr\/materiels\/conseils-en-matiere-de-beton-durable\/","title":{"rendered":"diagnostic des dommages au b\u00e9ton"},"content":{"rendered":"<!--\n    Title: Hero\n-->\n\n\n<!--\n Title: Intro\n-->\n\n<section\n    class=\"gc-intro gc-intro--no-margin-bottom\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--\">\n    <div class=\"gc-breadcrumbs\">\n    <nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n                <h1 class=\"gc-intro__title\">\n            Diagnostic des dommages au b\u00e9ton : causes, identification et r\u00e9paration\n        <\/h1>\n                    <div class=\"gc-intro__description\">\n                <p>Le diagnostic des dommages au b\u00e9ton est essentiel pour d\u00e9terminer avec pr\u00e9cision la cause, la gravit\u00e9 et l&#8217;\u00e9volution de ces dommages. Les fissures, l&#8217;\u00e9caillage, la d\u00e9coloration ou les armatures expos\u00e9es peuvent indiquer des dommages sous-jacents tels que la corrosion des armatures, la carbonatation, la p\u00e9n\u00e9tration de chlorures, les d\u00e9g\u00e2ts dus au gel ou d&#8217;autres m\u00e9canismes de d\u00e9gradation. <\/p>\n<p>SANACON examine les structures en b\u00e9ton existantes en combinant inspections visuelles, mesures non destructives et recherches cibl\u00e9es sur les mat\u00e9riaux et en laboratoire. Ainsi, nous d\u00e9terminons non seulement les dommages, mais surtout leurs causes et les mesures techniquement et \u00e9conomiquement justifi\u00e9es. <\/p>\n\n            <\/div>\n                \n                    <div class=\"gc-intro__buttons\">\n                                    <a\n        href=\"https:\/\/www.sanacon.be\/fr\/contact\/\" class=\"gc-button gc-button--red gc-intro__button\">\n                    CONTACTEZ-NOUS\n        \n            <\/a>\n                                    <\/div>\n<\/div>\n<\/section>\n<section\n    class=\"gc-section gc-section-- gc-hero\" x-data=\"hero\">\n            <div class=\"gc-section__decorator gc-section__decorator--right gc-section__decorator--align-bottom-mobile gc-section__decorator--full-height-mobile\"><\/div>\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container-- gc-hero__container gc-hero__container--right\">\n    <div class=\"splide gc-hero__wrapper\" x-ref=\"slider\">\n                            <div class=\"gc-hero__buttons\">\n                    <div class=\"gc-hero__button\" @click=\"previous()\"><\/div>\n                    <div class=\"gc-hero__button\" @click=\"next()\"><\/div>\n                <\/div>\n                        <div class=\"splide__track\">\n                <ul class=\"splide__list\">\n                                            <li class=\"splide__slide\">\n                            <img fetchpriority=\"high\" width=\"1440\" height=\"1080\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4132-1.jpg\" class=\"gc-hero__image\" alt=\"Grindnesten in beton - Sanacon\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4132-1.jpg 1440w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4132-1-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4132-1-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4132-1-768x576.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>                        <\/li>\n                                            <li class=\"splide__slide\">\n                            <img width=\"1080\" height=\"1440\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4157-1.jpg\" class=\"gc-hero__image\" alt=\"Materiaalonderzoek door Sanacon\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4157-1.jpg 1080w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4157-1-225x300.jpg 225w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4157-1-768x1024.jpg 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/>                        <\/li>\n                                            <li class=\"splide__slide\">\n                            <img width=\"1440\" height=\"1080\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20231202_103147.jpg\" class=\"gc-hero__image\" alt=\"Kernboring voor betononderzoek\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20231202_103147.jpg 1440w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20231202_103147-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20231202_103147-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20231202_103147-768x576.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>                        <\/li>\n                                            <li class=\"splide__slide\">\n                            <img width=\"1080\" height=\"1440\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20210225_094805-rotated.jpg\" class=\"gc-hero__image\" alt=\"\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20210225_094805-rotated.jpg 1080w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20210225_094805-225x300.jpg 225w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/20210225_094805-768x1024.jpg 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/>                        <\/li>\n                                            <li class=\"splide__slide\">\n                            <img width=\"1440\" height=\"1080\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/P4110103-1.jpg\" class=\"gc-hero__image\" alt=\"Vorstschade aan beton met interne kristallisatie en zoutkristallen aan het oppervlak\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/P4110103-1.jpg 1440w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/P4110103-1-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/P4110103-1-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/P4110103-1-768x576.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>                        <\/li>\n                                            <li class=\"splide__slide\">\n                            <img width=\"1440\" height=\"1080\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1.jpg\" class=\"gc-hero__image\" alt=\"\" loading=\"eager\" decoding=\"sync\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1.jpg 1440w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-768x576.jpg 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>                        <\/li>\n                                    <\/ul>\n            <\/div>\n        <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    class=\"gc-section gc-section--rouge gc-cwv gc-cwv--remove-margin-top gc-cwv--remove-margin-bottom\">\n            <div class=\"gc-section__decorator gc-section__decorator--left gc-section__decorator--big\"><\/div>\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2-1024x768.jpg\" class=\"gc-cwv__image\" alt=\"Betonrot met blootliggende, verroeste wapening - Sanacon\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2-1536x1152.jpg 1536w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/img-540765b3d1e9045d2.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tD\u00e9gradation du b\u00e9ton et corrosion des armatures\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p>La d\u00e9gradation du b\u00e9ton est l&#8217;un des ph\u00e9nom\u00e8nes de dommage pouvant \u00eatre \u00e9tudi\u00e9s lors d&#8217;un diagnostic. Selon les dommages observ\u00e9s, Sanacon peut mener des investigations sur, entre autres, la carbonatation, la p\u00e9n\u00e9tration des chlorures, la corrosion des armatures, la fissuration et d&#8217;autres m\u00e9canismes de d\u00e9gradation. <\/p>\n\n        <\/div>\n    \n    \n    \n    \n            <div class=\"gc-cwv__buttons\">\n                            <a\n        href=\"https:\/\/www.sanacon.be\/fr\/service\/analyse-et-conseils-sur-la-degradation-du-beton\/\" class=\"gc-button gc-button--red\">\n                    Apprenez-en davantage sur les enqu\u00eates sp\u00e9cialis\u00e9es sur la pourriture du b\u00e9ton.\n        \n            <\/a>\n                            <\/div>\n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    class=\"gc-cwv gc-cwv--is-reversed gc-cwv--background gc-cwv--bg-gris gc-cwv--remove-margin-top gc-cwv--remove-margin-bottom\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"967\" height=\"1024\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/2012-09-14-08.51.28-e1768640847685-967x1024.jpg\" class=\"gc-cwv__image\" alt=\"\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/2012-09-14-08.51.28-e1768640847685-967x1024.jpg 967w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/2012-09-14-08.51.28-e1768640847685-283x300.jpg 283w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/2012-09-14-08.51.28-e1768640847685-768x813.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/2012-09-14-08.51.28-e1768640847685.jpg 1075w\" sizes=\"(max-width: 967px) 100vw, 967px\" style=\"object-position:52% 30%\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tD\u00e9termination de la dur\u00e9e de vie restante et prolongation de la dur\u00e9e de vie du b\u00e9ton\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p>Les dommages invisibles tels que la carbonatation et la p\u00e9n\u00e9tration des chlorures compromettent la s\u00e9curit\u00e9 de votre structure en b\u00e9ton. Gr\u00e2ce \u00e0 nos analyses probabilistes bas\u00e9es sur les normes Fib Bulletin 34 et CUR 121, nous pr\u00e9voyons avec pr\u00e9cision l&#8217;apparition de la corrosion. Calculez la dur\u00e9e de vie restante de votre b\u00e9ton et \u00e9vitez des r\u00e9parations co\u00fbteuses.  <\/p>\n\n        <\/div>\n    \n    \n    \n    \n            <div class=\"gc-cwv__buttons\">\n                            <a\n        href=\"https:\/\/www.sanacon.be\/fr\/materiels\/conseils-en-matiere-de-beton-durable\/duree-de-vie-restante-du-beton\/\" class=\"gc-button gc-button--red\">\n                    Calcul de la dur\u00e9e de vie restante du b\u00e9ton &#8211; DIMCOST\u00ae\n        \n            <\/a>\n                            <\/div>\n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    id=\"asr\" class=\"gc-section gc-section--gris gc-cwv gc-cwv--is-reversed gc-cwv--remove-margin-top gc-cwv--remove-margin-bottom\">\n            <div class=\"gc-section__decorator gc-section__decorator--right gc-section__decorator--big\"><\/div>\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-1024x768.jpg\" class=\"gc-cwv__image\" alt=\"\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_20200928_153953-1.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tASR\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p><b>ASR signifie R\u00e9action Alcaline-Silice.<\/b> Il s&#8217;agit d&#8217;une r\u00e9action chimique lente et destructive entre certains types de sable ou de gravier et le ciment, sous l&#8217;effet de l&#8217;humidit\u00e9. Un gel se forme, qui absorbe l&#8217;eau et se dilate consid\u00e9rablement. Ceci engendre un r\u00e9seau caract\u00e9ristique de fissures en forme d&#8217;\u00e9toile (craquelures) \u00e0 la surface. Un examen p\u00e9trographique permet de confirmer sa pr\u00e9sence, et des tests de gonflement sp\u00e9cifiques peuvent \u00eatre r\u00e9alis\u00e9s pour pr\u00e9dire son \u00e9volution future.   <\/p>\n\n        <\/div>\n    \n    \n    \n    \n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    class=\"gc-cwv gc-cwv--background gc-cwv--bg-gris\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_3619-scaled.jpg\" class=\"gc-cwv__image\" alt=\"Aantasting beton door zuur - Sanacon\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_3619-scaled.jpg 1920w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_3619-225x300.jpg 225w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h3\">\n\t\tAttaque chimique sur le b\u00e9ton\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p>Le liant du b\u00e9ton (brique de ciment) est sensible aux acides. Les pluies acides, les gaz industriels ou les jus agricoles agressifs peuvent dissoudre lentement la surface du b\u00e9ton. La couche de ciment dispara\u00eet alors, laissant appara\u00eetre le sable et le gravier. Les sulfates pr\u00e9sents dans le sol ou les eaux souterraines peuvent \u00e9galement r\u00e9agir avec le b\u00e9ton et l&#8217;affaiblir.   <\/p>\n\n        <\/div>\n    \n    \n    \n    \n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    id=\"vorstschade\" class=\"gc-cwv gc-cwv--is-reversed gc-cwv--background gc-cwv--bg-lightGrey\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"769\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20240411_104008970-1024x769.jpg\" class=\"gc-cwv__image\" alt=\"Beoordeling vorstschade - Technische expertise | sanacon\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20240411_104008970-1024x769.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20240411_104008970-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20240411_104008970-768x577.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20240411_104008970.jpg 1438w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tDommages caus\u00e9s au b\u00e9ton par le gel et le d\u00e9gel\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p><b>Dommages caus\u00e9s par le gel et le d\u00e9gel&nbsp;:<\/b> Le b\u00e9ton est naturellement l\u00e9g\u00e8rement poreux. Lorsque l\u2019eau s\u2019infiltre dans ces minuscules pores et g\u00e8le, elle se dilate d\u2019environ 9&nbsp;%. Cette pression interne est \u00e9norme et peut endommager la couche sup\u00e9rieure du b\u00e9ton et provoquer son \u00e9caillage. Ce ph\u00e9nom\u00e8ne est fr\u00e9quent sur les all\u00e9es anciennes ou les surfaces en b\u00e9ton ext\u00e9rieur non prot\u00e9g\u00e9es apr\u00e8s un hiver rigoureux.   <\/p>\n\n        <\/div>\n    \n    \n    \n    \n            <div class=\"gc-cwv__buttons\">\n                                                <\/div>\n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    class=\"gc-section gc-section--rouge gc-cwv gc-cwv--is-reversed gc-cwv--remove-margin-top gc-cwv--remove-margin-bottom\">\n            <div class=\"gc-section__decorator gc-section__decorator--right gc-section__decorator--big\"><\/div>\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"769\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_9960-Groot-1024x769.jpg\" class=\"gc-cwv__image\" alt=\"Scheur in een wegdek van een parkeergarage - onderzoek en advies door sanacon\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_9960-Groot-1024x769.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_9960-Groot-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_9960-Groot-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_9960-Groot.jpg 1439w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tFissuration des structures en b\u00e9ton\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p>Il est tout \u00e0 fait normal de s&#8217;inqui\u00e9ter si l&#8217;on constate une fissure dans du b\u00e9ton neuf. Cependant, la fissuration est, dans une certaine mesure, in\u00e9vitable et naturelle au cours du processus de durcissement. <\/p>\n<p>Tout cela est li\u00e9 \u00e0 la r\u00e9duction de volume, ou <b>retrait<\/b> . Lorsque le b\u00e9ton se r\u00e9tracte mais est retenu, par exemple par le support ou les murs, des forces de traction apparaissent. Comme le b\u00e9ton absorbe mal ces forces, il se fissure.  <\/p>\n<p>Nous divisons ce r\u00e9tr\u00e9cissement en trois grandes cat\u00e9gories&nbsp;:<\/p>\n<ul>\n<li><b>Retrait autog\u00e8ne (retrait chimique)&nbsp;:<\/b> Lors du durcissement, le ciment subit une r\u00e9action chimique avec l\u2019eau (hydratation). Le produit final durci occupe un volume l\u00e9g\u00e8rement inf\u00e9rieur au volume total du sable, de l\u2019eau et du ciment. Ce retrait est uniquement d\u00fb \u00e0 la r\u00e9action chimique, m\u00eame si aucune goutte d\u2019humidit\u00e9 ne s\u2019\u00e9chappe dans l\u2019air ext\u00e9rieur.  <\/li>\n<li><b>Retrait thermique (ou retrait d\u00fb \u00e0 la temp\u00e9rature)&nbsp;:<\/b> La r\u00e9action chimique du ciment en cours de durcissement g\u00e9n\u00e8re une chaleur importante. Dans les murs ou les dalles en b\u00e9ton \u00e9pais, le c\u0153ur du b\u00e9ton devient tr\u00e8s chaud et se dilate. L\u2019ext\u00e9rieur, en revanche, refroidit plus rapidement au contact de l\u2019air ext\u00e9rieur et se r\u00e9tracte. Cette diff\u00e9rence de temp\u00e9rature entre le c\u0153ur chaud et l\u2019enveloppe froide provoque un d\u00e9collement de la structure, engendrant des fissures thermiques.   <\/li>\n<li><b>Retrait au s\u00e9chage&nbsp;:<\/b> Pour que le b\u00e9ton soit suffisamment fluide et maniable lors du coulage, le m\u00e9lange contient toujours plus d\u2019eau que n\u00e9cessaire \u00e0 sa prise chimique. Apr\u00e8s le coulage, cet exc\u00e8s d\u2019eau s\u2019\u00e9vapore lentement. \u00c0 l\u2019instar d\u2019une flaque de boue qui s\u00e8che, le b\u00e9ton perd du volume et se contracte.  <\/li>\n<\/ul>\n\n        <\/div>\n    \n    \n    \n    \n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: FAQ\n-->\n\n<section\n    class=\"gc-faq\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin\">\n    <ul class=\"gc-faq__list\">\n                            <li class=\"gc-faq__question-item\" x-data=\"faq(false)\" :class=\"expanded &#038;&#038; 'gc-faq__question-item--open'\" itemscope\n                    itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" @click=\"toggle\">\n                    <div class=\"gc-faq__question-wrapper\">\n                        <h3 class=\"gc-faq__question h4\">\n                            <span itemprop=\"name\">Pourquoi la base de connaissances est-elle une m\u00e9thode de r\u00e9cup\u00e9ration int\u00e9ressante&nbsp;?<\/span>\n                        <\/h3>\n                        <span class=\"gc-icon gc-icon--diagonal gc-icon--black gc-faq__icon-wrapper\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g clip-path=\"url(.clip0_2007_4638)\">\n<path d=\"M15.9862 16.0139H-0.013752L-0.0137539 14.6805L14.6529 14.6805L14.6529 0.0138684L15.9862 0.0138682L15.9862 16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0.915055 0L16 15.0849L15.0572 16.0278L-0.0277538 0.942809L0.915055 0Z\" fill=\"#24272E\"\/>\n<\/g>\n<defs>\n<clipPath class=\"clip0_2007_4638\">\n<rect width=\"16\" height=\"16\" fill=\"white\" transform=\"matrix(0 1 -1 0 16 0)\"\/>\n<\/clipPath>\n<\/defs>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g clip-path=\"url(.clip0_2007_4638)\">\n<path d=\"M15.9862 16.0139H-0.013752L-0.0137539 14.6805L14.6529 14.6805L14.6529 0.0138684L15.9862 0.0138682L15.9862 16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0.915055 0L16 15.0849L15.0572 16.0278L-0.0277538 0.942809L0.915055 0Z\" fill=\"#24272E\"\/>\n<\/g>\n<defs>\n<clipPath class=\"clip0_2007_4638\">\n<rect width=\"16\" height=\"16\" fill=\"white\" transform=\"matrix(0 1 -1 0 16 0)\"\/>\n<\/clipPath>\n<\/defs>\n<\/svg>\n    <\/span>\n\t<\/span>                    <\/div>\n\n                    <div class=\"gc-faq__answer\" x-show=\"expanded\" x-cloak x-collapse itemscope itemprop=\"acceptedAnswer\"\n                        itemtype=\"https:\/\/schema.org\/Answer\">\n                        <div class=\"gc-faq__answer-text\" itemprop=\"text\">\n                            De nos jours, une part importante des budgets de construction est consacr\u00e9e \u00e0 la r\u00e9paration et \u00e0 l&#8217;entretien des structures en b\u00e9ton existantes. La corrosion des armatures (commun\u00e9ment appel\u00e9e \u00ab pourrissement du b\u00e9ton \u00bb) est responsable de 55 % des probl\u00e8mes de durabilit\u00e9. Si ces probl\u00e8mes ne sont pas trait\u00e9s, ils peuvent entra\u00eener des fissures dans le b\u00e9ton ou le d\u00e9tachement de fragments. Les probl\u00e8mes de corrosion sont souvent r\u00e9solus par des m\u00e9thodes de r\u00e9paration traditionnelles. Cependant, ce proc\u00e9d\u00e9 n\u00e9cessite le retrait et le remplacement de grandes quantit\u00e9s de b\u00e9ton, ce qui en fait une technique tr\u00e8s laborieuse. De plus, ces derni\u00e8res ann\u00e9es, de nombreux cas ont d\u00e9montr\u00e9 l&#8217;inefficacit\u00e9 de ces m\u00e9thodes de r\u00e9paration traditionnelles. La protection cathodique offre une alternative moins invasive, tout en garantissant la p\u00e9rennit\u00e9 de la r\u00e9paration.      \n                        <\/div>\n                    <\/div>\n                <\/li>\n                    <\/ul>\n<\/div>\n<\/section>\n<!--\n    Title: Content with visual\n    HideFieldsInSidebar: true\n-->\n\n<section\n    class=\"gc-section gc-section--rouge gc-cwv\">\n            <div class=\"gc-section__decorator gc-section__decorator--left gc-section__decorator--big\"><\/div>\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-cwv__container\">\n    <div class=\"gc-cwv__first-column\">\n            <figure class=\"gc-cwv__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG-20240430-WA0009-1024x768.jpg\" class=\"gc-cwv__image\" alt=\"Uitloging van roest in betondekking door wapeningscorrosie (betonrot) - sanacon\" data-no-lazy=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG-20240430-WA0009-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG-20240430-WA0009-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG-20240430-WA0009-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG-20240430-WA0009.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tR\u00e9paration durable du b\u00e9ton\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <p>Commencer \u00e0 d\u00e9couper et \u00e0 appliquer du mastic sans r\u00e9fl\u00e9chir est rarement une bonne id\u00e9e. C&#8217;est pourquoi il existe la norme europ\u00e9enne <b>EN 1504-9<\/b> . Ce guide encadre la r\u00e9paration professionnelle du b\u00e9ton et son principe fondamental est le suivant&nbsp;: <b>il faut d&#8217;abord diagnostiquer correctement la cause des dommages avant de choisir un traitement.<\/b>  <\/p>\n<p>La norme propose une approche structur\u00e9e, divis\u00e9e en deux objectifs principaux&nbsp;:<\/p>\n<ul>\n<li><b>Restauration et protection du b\u00e9ton (Principes 1 \u00e0 6)&nbsp;:<\/b> Cette section porte sur le b\u00e9ton lui-m\u00eame. Il est conseill\u00e9 d\u2019imperm\u00e9abiliser la surface contre l\u2019humidit\u00e9 et la salet\u00e9 (par exemple, avec un rev\u00eatement), de r\u00e9parer physiquement les parties endommag\u00e9es avec un mortier de haute qualit\u00e9 ou d\u2019augmenter sa capacit\u00e9 portante. <\/li>\n<li><b>Pr\u00e9vention de la corrosion des armatures (Principes 7 \u00e0 11)&nbsp;:<\/b> Ce chapitre traite sp\u00e9cifiquement de la corrosion de l\u2019acier (d\u00e9t\u00e9rioration du b\u00e9ton). On y parvient en restaurant la couche protectrice chimique autour de l\u2019acier ou en appliquant des techniques avanc\u00e9es telles que <a href=\"https:\/\/www.sanacon.be\/fr\/service\/protection-cathodique\/\">la protection cathodique<\/a> , qui bloquent activement le processus de corrosion. <\/li>\n<\/ul>\n<p>En travaillant selon cette norme, vous vous attaquez \u00e0 la cause r\u00e9elle du probl\u00e8me au lieu de simplement traiter les sympt\u00f4mes. Cela \u00e9vite le cercle vicieux qui vous obligerait \u00e0 r\u00e9parer le probl\u00e8me \u00e0 nouveau quelques ann\u00e9es plus tard. <\/p>\n\n        <\/div>\n    \n    \n    \n    \n    \n            <\/div>\n<\/div>\n<\/section>\n<!--\n    Title: Latest Posts\n-->\n\n<section\n    class=\"gc-latest-posts\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-latest-posts__container\">\n    <div class=\"gc-heading\">\n    <div class=\"gc-heading__left\">\n                    <div class=\"gc-heading__uppertitle h5\">\n                BLOG\n            <\/div>\n                <h2 class=\"gc-heading__title h2\">\n\t\tActualit\u00e9s connexes\n\t<\/h2>                    <div class=\"gc-heading__description\">\n                <p>Vous trouverez ici quelques articles de blog r\u00e9cents.<\/p>\n\n            <\/div>\n            <\/div>\n    <a\n        href=\"https:\/\/www.sanacon.be\/fr\/blog\/\" class=\"gc-button gc-button--border\">\n                    Blog\n        \n            <\/a>\n        <\/div>\n        <ul class=\"gc-latest-posts__list\">\n                            <li class=\"gc-post-item\">\n    <a class=\"gc-post-item__link\" href=\"https:\/\/www.sanacon.be\/fr\/la-degradation-du-beton-bien-plus-quun-probleme-esthetique\/\">\n        <div class=\"gc-post-item__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/DSCN7561-1024x768.jpg\" class=\"gc-post-item__image\" alt=\"Image classique de la d\u00e9gradation du b\u00e9ton, qui peut \u00eatre \u00e9vit\u00e9e par une inspection pr\u00e9liminaire effectu\u00e9e \u00e0 temps.\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/DSCN7561-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/DSCN7561-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/DSCN7561-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/DSCN7561.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/div>\n        <div class=\"gc-post-item__info fs-tiny\">\n            <div>B\u00e9ton<\/div>\n            <div class=\"gc-post-item__decorator\"><\/div>\n            <div>24.08.2026<\/div>\n        <\/div>\n        <h3 class=\"gc-post-item__title h4\">La d\u00e9gradation du b\u00e9ton : bien plus qu&#8217;un probl\u00e8me esth\u00e9tique<\/h3>\n    <\/a>\n<\/li>\n                    <\/ul>\n<\/div>\n<\/section>\n<!--\n    Title: Recent Projects\n-->\n\n\n<section\n    class=\"gc-recent-projects\" x-data=\"recentProjects\">\n        <!--\n    Title: Container\n    Mode: preview\n    SupportsJSX: true\n    Blueprint: false\n-->\n\n\n<div class=\"gc-container gc-container--has-margin gc-recent-projects__container\">\n    <div class=\"gc-heading\">\n    <div class=\"gc-heading__left\">\n                    <div class=\"gc-heading__uppertitle h5\">\n                PROJETS\n            <\/div>\n                <h2 class=\"gc-heading__title h2\">\n\t\tProjets r\u00e9cents\n\t<\/h2>                    <div class=\"gc-heading__description\">\n                <div>D\u00e9couvrez comment Sanacon prolonge la dur\u00e9e de vie des structures existantes gr\u00e2ce \u00e0 des techniques innovantes et des solutions durables. Nos projets t\u00e9moignent de r\u00e9sultats concrets dans de nombreux secteurs. <\/div>\n\n            <\/div>\n            <\/div>\n    <a\n        href=\"https:\/\/www.sanacon.be\/fr\/projets\/\" class=\"gc-button gc-button--border\">\n                    PROJETS\n        \n            <\/a>\n        <\/div>\n        <div class=\"gc-recent-projects__list-wrapper\">\n            <ul class=\"gc-recent-projects__list\" x-ref=\"list\">\n                                    <li class=\"gc-project-item gc-project-item--slide\" data-index=\"\">\n    <a class=\"gc-project-item__link\" href=\"https:\/\/www.sanacon.be\/fr\/project\/renforcement-des-poutres-en-beton-beffroi-dypres\/\">\n        <div class=\"gc-project-item__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/win_241054_19bb69cf-14d3-49f2-a1fc-05a383d14a6f5Cdca5b489-31c5-4861-8edd-d55541d9a3eb.jpg\" class=\"gc-project-item__image\" alt=\"Belfort Ieper\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/win_241054_19bb69cf-14d3-49f2-a1fc-05a383d14a6f5Cdca5b489-31c5-4861-8edd-d55541d9a3eb.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/win_241054_19bb69cf-14d3-49f2-a1fc-05a383d14a6f5Cdca5b489-31c5-4861-8edd-d55541d9a3eb-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/win_241054_19bb69cf-14d3-49f2-a1fc-05a383d14a6f5Cdca5b489-31c5-4861-8edd-d55541d9a3eb-768x576.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/div>\n        <div class=\"gc-project-item__content\">\n            <div class=\"gc-project-item__title-wrapper\">\n                <h3 class=\"gc-project-item__title\">Renforcement des poutres en b\u00e9ton &#8211; Beffroi d&#8217;Ypres<\/h3>\n                <span class=\"gc-icon gc-icon--diagonal gc-icon--diagonal-top gc-project-item__icon-wrapper\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n    <\/span>\n\t<\/span>            <\/div>\n            <div class=\"gc-project-item__info fs-tiny\">\n                <div>Patrimoine et monuments<\/div>\n                <div class=\"gc-project-item__decorator\"><\/div>\n                <div>Ypres<\/div>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/li>\n                                    <li class=\"gc-project-item gc-project-item--slide\" data-index=\"\">\n    <a class=\"gc-project-item__link\" href=\"https:\/\/www.sanacon.be\/fr\/project\/renforcement-des-voutes-en-berceau\/\">\n        <div class=\"gc-project-item__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"771\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20260211_124213535-1024x771.jpg\" class=\"gc-project-item__image\" alt=\"Versterking troggewelven bij een historisch gebouw in Antwerpen - Sanacon\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20260211_124213535-1024x771.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20260211_124213535-300x226.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20260211_124213535-768x578.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/PXL_20260211_124213535.jpg 1434w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/div>\n        <div class=\"gc-project-item__content\">\n            <div class=\"gc-project-item__title-wrapper\">\n                <h3 class=\"gc-project-item__title\">Renforcement des vo\u00fbtes en berceau<\/h3>\n                <span class=\"gc-icon gc-icon--diagonal gc-icon--diagonal-top gc-project-item__icon-wrapper\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n    <\/span>\n\t<\/span>            <\/div>\n            <div class=\"gc-project-item__info fs-tiny\">\n                <div>R\u00e9sidentiel, Patrimoine et monuments<\/div>\n                <div class=\"gc-project-item__decorator\"><\/div>\n                <div>Anvers<\/div>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/li>\n                                    <li class=\"gc-project-item gc-project-item--slide\" data-index=\"\">\n    <a class=\"gc-project-item__link\" href=\"https:\/\/www.sanacon.be\/fr\/project\/residence-odiel-tubo\/\">\n        <div class=\"gc-project-item__image-wrapper\">\n            <img decoding=\"async\" width=\"1022\" height=\"638\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4106-1-e1770739857110.jpg\" class=\"gc-project-item__image\" alt=\"Renovatieproject Residentie Odiel in Aalter - Sanacon\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4106-1-e1770739857110.jpg 1022w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4106-1-e1770739857110-300x187.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/IMG_4106-1-e1770739857110-768x479.jpg 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/>        <\/div>\n        <div class=\"gc-project-item__content\">\n            <div class=\"gc-project-item__title-wrapper\">\n                <h3 class=\"gc-project-item__title\">R\u00e9sidence Odiel \/ Tubo<\/h3>\n                <span class=\"gc-icon gc-icon--diagonal gc-icon--diagonal-top gc-project-item__icon-wrapper\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n    <\/span>\n\t<\/span>            <\/div>\n            <div class=\"gc-project-item__info fs-tiny\">\n                <div>R\u00e9sidentiel<\/div>\n                <div class=\"gc-project-item__decorator\"><\/div>\n                <div>Aalter<\/div>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/li>\n                                    <li class=\"gc-project-item gc-project-item--slide\" data-index=\"\">\n    <a class=\"gc-project-item__link\" href=\"https:\/\/www.sanacon.be\/fr\/project\/tunnel-leonard\/\">\n        <div class=\"gc-project-item__image-wrapper\">\n            <img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/5-Groot-1-1024x768.jpg\" class=\"gc-project-item__image\" alt=\"\" srcset=\"https:\/\/cdn.sanacon.be\/wp-content\/uploads\/5-Groot-1-1024x768.jpg 1024w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/5-Groot-1-300x225.jpg 300w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/5-Groot-1-768x576.jpg 768w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/5-Groot-1.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/div>\n        <div class=\"gc-project-item__content\">\n            <div class=\"gc-project-item__title-wrapper\">\n                <h3 class=\"gc-project-item__title\">Tunnel L\u00e9onard<\/h3>\n                <span class=\"gc-icon gc-icon--diagonal gc-icon--diagonal-top gc-project-item__icon-wrapper\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n    <\/span>\n\t<\/span>            <\/div>\n            <div class=\"gc-project-item__info fs-tiny\">\n                <div>G\u00e9nie civil et infrastructures<\/div>\n                <div class=\"gc-project-item__decorator\"><\/div>\n                <div>Bruxelles<\/div>\n            <\/div>\n        <\/div>\n    <\/a>\n<\/li>\n                            <\/ul>\n            <div class=\"gc-recent-projects__arrow-buttons\">\n                <span class=\"gc-icon gc-icon--diagonal gc-icon--black gc-icon--diagonal-top\" @click=\"previous\" aria-label=\"Previous\">\n\t\t<span class=\"gc-icon__wrapper\">\n        <svg class='gc-icon__icon' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M16.0139 0.0137531V16.0138L14.6805 16.0138L14.6805 1.34709L0.0138684 1.34709L0.0138682 0.0137531H16.0139Z\" fill=\"#24272E\"\/>\n<path d=\"M0 15.0849L15.0849 0L16.0278 0.942809L0.942809 16.0278L0 15.0849Z\" fill=\"#24272E\"\/>\n<\/svg>\n        <svg class='gc-icon__icon gc-icon__icon--hover' width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" 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https:\/\/cdn.sanacon.be\/wp-content\/uploads\/iso800-Sanacon-28-november-2025-578-Groot-1536x1024.jpg 1536w, https:\/\/cdn.sanacon.be\/wp-content\/uploads\/iso800-Sanacon-28-november-2025-578-Groot.jpg 1620w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>        <\/figure>\n            <\/div>\n        <div class=\"gc-cwv__second-column\">\n            <h2 class=\"gc-cwv__title h2\">\n\t\tNous sommes heureux de vous aider\n\t<\/h2>    \n            <div class=\"gc-cwv__text\">\n            <div>Votre structure m\u00e9rite un avenir. La prot\u00e9ger contre la d\u00e9t\u00e9rioration, renforcer sa capacit\u00e9 portante et prolonger sa dur\u00e9e de vie sont essentiels pour pr\u00e9venir les dommages et les co\u00fbts \u00e9lev\u00e9s. Sanacon vous propose des conseils ind\u00e9pendants et des solutions innovantes pour garantir la durabilit\u00e9 et la s\u00e9curit\u00e9 de votre structure, aujourd&#8217;hui et pour les d\u00e9cennies \u00e0 venir.  <\/div>\n\n        <\/div>\n    \n    \n            <svg class='gc-cwv__arches' width=\"500\" height=\"449\" viewBox=\"0 0 500 449\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g opacity=\"0.2\">\n<path d=\"M419.557 445.374C432.478 445.374 445.225 439.421 453.416 428.173C469.489 406.102 481.123 381.446 487.997 354.804L488.32 353.534C502.349 297.602 493.802 239.558 464.19 190.062C434.832 140.986 388.24 106.156 332.931 91.9054L331.623 91.5724C304.347 84.7163 276.46 83.24 248.824 87.1398H248.825C226.279 90.3576 210.495 110.958 213.108 133.455L213.247 134.528C216.491 157.454 237.714 173.265 260.603 170.137V170.136C277.414 167.741 294.5 168.638 311.208 172.874C381.797 190.602 424.809 262.497 407.086 333.084V333.085L406.683 334.642C402.442 350.686 395.404 365.528 385.755 378.774C372.136 397.469 376.219 423.68 394.902 437.326C402.356 442.762 410.978 445.374 419.557 445.374Z\" stroke=\"#C13E3E\" stroke-width=\"1.7094\"\/>\n<path d=\"M216.702 357.097C223.773 357.097 230.826 356.769 237.864 356.065L239.272 355.919C262.275 353.47 278.942 332.857 276.535 309.84C274.087 286.839 253.667 270.276 230.473 272.557H230.472C215.127 274.197 199.626 273.06 184.489 269.269H184.488C113.912 251.52 70.8988 179.644 88.6211 109.004C92.4583 93.6663 98.8908 79.3599 107.736 66.4807C120.824 47.407 115.962 21.3253 96.9131 8.21606C78.1495 -4.67549 52.5997 -0.182356 39.29 18.1565L38.666 19.0403C24.1807 40.1693 13.6394 63.574 7.37402 88.5852C-21.5912 204.047 48.6976 321.558 164.071 350.555C181.405 354.914 199.024 357.097 216.702 357.097Z\" stroke=\"#C13E3E\" stroke-width=\"1.7094\"\/>\n<\/g>\n<\/svg>\n    \n    \n            <div class=\"gc-cwv__buttons\">\n                            <a\n        href=\"https:\/\/www.sanacon.be\/fr\/contact\/\" class=\"gc-button gc-button--red\">\n                    Contact\n        \n            <\/a>\n                            <\/div>\n    \n            <\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":3709,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3712","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/pages\/3712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/comments?post=3712"}],"version-history":[{"count":4,"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/pages\/3712\/revisions"}],"predecessor-version":[{"id":4588,"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/pages\/3712\/revisions\/4588"}],"up":[{"embeddable":true,"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/pages\/3709"}],"wp:attachment":[{"href":"https:\/\/www.sanacon.be\/fr\/wp-json\/wp\/v2\/media?parent=3712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}