{"id":5311,"date":"2022-11-02T01:26:34","date_gmt":"2022-11-02T01:26:34","guid":{"rendered":"http:\/\/tenabrix.com\/?p=5311"},"modified":"2023-06-03T01:17:56","modified_gmt":"2023-06-03T01:17:56","slug":"polypropylene-fibers-for-concrete","status":"publish","type":"post","link":"https:\/\/tenabrix.com\/fr\/fibres-de-polypropylene-pour-le-beton\/","title":{"rendered":"Fibres de polypropyl\u00e8ne pour le b\u00e9ton"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5311\" class=\"elementor elementor-5311\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3c14eb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3c14eb2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-d222564\" data-id=\"d222564\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-c850ce1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c850ce1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-524e003\" data-id=\"524e003\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2564cd8 elementor-widget elementor-widget-image\" data-id=\"2564cd8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"300\" src=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Polypropylene-fibers-for-concrete.webp\" class=\"attachment-large size-large wp-image-5337\" alt=\"Fibres de polypropyl\u00e8ne pour le b\u00e9ton\" srcset=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Polypropylene-fibers-for-concrete.webp 700w, https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Polypropylene-fibers-for-concrete-300x129.webp 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-423c464 elementor-widget elementor-widget-text-editor\" data-id=\"423c464\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ces derni\u00e8res ann\u00e9es, les fibres de polypropyl\u00e8ne ont \u00e9t\u00e9 utilis\u00e9es dans des applications de b\u00e9ton avec des exigences \u00e9lev\u00e9es en mati\u00e8re de r\u00e9sistance aux fissures. L'excellent effet anti-fissuration des fibres de polypropyl\u00e8ne a \u00e9t\u00e9 confirm\u00e9 par l'ing\u00e9nierie exp\u00e9rimentale, mais l'impact sur les autres propri\u00e9t\u00e9s du b\u00e9ton, en particulier les performances \u00e0 long terme et la durabilit\u00e9, est devenu une pr\u00e9occupation pour les chercheurs et les utilisateurs. Cet article analyse les propri\u00e9t\u00e9s m\u00e9caniques g\u00e9n\u00e9rales, les propri\u00e9t\u00e9s \u00e0 long terme et les propri\u00e9t\u00e9s de durabilit\u00e9 du b\u00e9ton de fibres de polypropyl\u00e8ne.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9916ce3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9916ce3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0ab762f\" data-id=\"0ab762f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-566ff5a elementor-widget elementor-widget-heading\" data-id=\"566ff5a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. Inhiber le r\u00e9tr\u00e9cissement<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0843729 elementor-widget elementor-widget-text-editor\" data-id=\"0843729\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L'ajout de fibres de polypropyl\u00e8ne peut inhiber efficacement le retrait du b\u00e9ton. En prenant 90d comme exemple, en ajoutant 0,3kg\/m3-0,9kg\/m3 de fibres de polypropyl\u00e8ne, le retrait sec du b\u00e9ton est r\u00e9duit de 8% \u00e0 15% par rapport au b\u00e9ton de r\u00e9f\u00e9rence, ce qui est principalement d\u00fb \u00e0 la pr\u00e9sence de fibres de polypropyl\u00e8ne dans le mat\u00e9riau de surface du b\u00e9ton. Il est plus difficile de faire perdre de l'eau et de l'humidit\u00e9 \u00e0 la surface du b\u00e9ton, de sorte que la tension form\u00e9e par le retrait est r\u00e9duite, ce qui inhibe efficacement le retrait.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1601f8 elementor-widget elementor-widget-image\" data-id=\"a1601f8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"300\" src=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/the-shrinkage-of-concrete.webp\" class=\"attachment-large size-large wp-image-5341\" alt=\"le retrait du b\u00e9ton\" srcset=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/the-shrinkage-of-concrete.webp 700w, https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/the-shrinkage-of-concrete-300x129.webp 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">le retrait du b\u00e9ton<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fc9e173 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fc9e173\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-1aeb057\" data-id=\"1aeb057\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-61b50bf elementor-widget elementor-widget-heading\" data-id=\"61b50bf\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. P\u00e9n\u00e9tration des ions anti-chlorure<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08dfba7 elementor-widget elementor-widget-text-editor\" data-id=\"08dfba7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Bien que l'effet d'am\u00e9lioration de la fibre de polypropyl\u00e8ne sur la perm\u00e9abilit\u00e9 du b\u00e9ton aux ions chlorure ne soit pas aussi significatif que celui de l'imperm\u00e9abilit\u00e9, il montre n\u00e9anmoins qu'avec l'augmentation de la teneur en fibre de polypropyl\u00e8ne, le coefficient de diffusion des ions chlorure dans le b\u00e9ton diminue, ce qui indique que le b\u00e9ton de fibre de polypropyl\u00e8ne peut r\u00e9sister plus efficacement \u00e0 l'\u00e9rosion des ions chlorure externes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e658e9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e658e9e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-84e5f42\" data-id=\"84e5f42\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33d65a3 elementor-widget elementor-widget-heading\" data-id=\"33d65a3\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Anti-corrosion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e588c01 elementor-widget elementor-widget-text-editor\" data-id=\"e588c01\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L'armature dans le b\u00e9ton incorpor\u00e9 de fibres de polypropyl\u00e8ne est en bon \u00e9tat, montrant la capacit\u00e9 du b\u00e9ton de fibres de polypropyl\u00e8ne \u00e0 r\u00e9sister \u00e0 l'attaque des ions chlorure et \u00e0 prot\u00e9ger l'armature interne.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5508823 elementor-widget elementor-widget-image\" data-id=\"5508823\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"300\" src=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Corroded-concrete.webp\" class=\"attachment-large size-large wp-image-5342\" alt=\"B\u00e9ton corrod\u00e9\" srcset=\"https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Corroded-concrete.webp 700w, https:\/\/tenabrix.com\/wp-content\/uploads\/2022\/11\/Corroded-concrete-300x129.webp 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">B\u00e9ton corrod\u00e9<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6ff361e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ff361e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-980ea6b\" data-id=\"980ea6b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cff45fb elementor-widget elementor-widget-heading\" data-id=\"cff45fb\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. Imperm\u00e9abilit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8a24f5 elementor-widget elementor-widget-text-editor\" data-id=\"e8a24f5\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La fibre de polypropyl\u00e8ne peut inhiber efficacement la g\u00e9n\u00e9ration et le d\u00e9veloppement de microfissures de retrait de s\u00e9chage pr\u00e9coce et de fissures de s\u00e9gr\u00e9gation du b\u00e9ton, en r\u00e9duisant efficacement la g\u00e9n\u00e9ration de fissures connect\u00e9es et en am\u00e9liorant ainsi ses performances d'imperm\u00e9abilit\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5719509 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5719509\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-95d743c\" data-id=\"95d743c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c85e886 elementor-widget elementor-widget-heading\" data-id=\"c85e886\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5. R\u00e9sistance au gel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d003c36 elementor-widget elementor-widget-text-editor\" data-id=\"d003c36\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L'ajout de fibres de polypropyl\u00e8ne peut r\u00e9duire de mani\u00e8re significative les cycles de gel-d\u00e9gel du b\u00e9ton apr\u00e8s le ph\u00e9nom\u00e8ne d'\u00e9caillage de la surface, et maintenir l'int\u00e9grit\u00e9 de l'apparence du b\u00e9ton. La recherche exp\u00e9rimentale sur les propri\u00e9t\u00e9s m\u00e9caniques conventionnelles, les propri\u00e9t\u00e9s \u00e0 long terme et la durabilit\u00e9 du b\u00e9ton de fibres de polypropyl\u00e8ne a r\u00e9v\u00e9l\u00e9 que les fibres de polypropyl\u00e8ne peuvent am\u00e9liorer la r\u00e9sistance aux fissures pr\u00e9coces du b\u00e9ton et peuvent \u00e9galement inhiber efficacement le retrait et le fluage du b\u00e9ton, am\u00e9liorant ainsi la r\u00e9sistance du b\u00e9ton. Elle peut r\u00e9sister \u00e0 la corrosion des ions chlorure externes, prot\u00e9ger les barres d'acier et pr\u00e9venir la corrosion. En r\u00e9sum\u00e9, le b\u00e9ton m\u00e9lang\u00e9 \u00e0 0,9 kg\/m3 de fibres de polypropyl\u00e8ne pr\u00e9sente des propri\u00e9t\u00e9s m\u00e9caniques g\u00e9n\u00e9rales sup\u00e9rieures, des propri\u00e9t\u00e9s \u00e0 long terme, une durabilit\u00e9 et des performances permanentes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2aaeb90 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2aaeb90\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6b684e2\" data-id=\"6b684e2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ef519a elementor-widget elementor-widget-text-editor\" data-id=\"3ef519a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Fibre Tenabrix\u00ae Selon les r\u00e9sultats de la recherche, pour la commodit\u00e9 des projets de b\u00e9ton des clients, fournir des fibres monofilament de polypropyl\u00e8ne avec <a href=\"http:\/\/tenabrix.com\/fr\/contact\/?fromppfiberforc\">Paquets de 900 g<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9dad945 elementor-widget elementor-widget-text-editor\" data-id=\"9dad945\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Pour plus d'informations sur Tenabrix\u00ae Concrete Fiber, veuillez consulter le site web :\u00a0 <strong><span style=\"text-decoration: underline;\"><a href=\"http:\/\/tenabrix.com\/fr\/\">tenabrix.com<\/a><\/span><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-48f7479 elementor-widget elementor-widget-shortcode\" data-id=\"48f7479\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">[taxopress_postterms id=\"1\"]<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-73bbb7e\" data-id=\"73bbb7e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9454828 elementor-hidden-tablet elementor-hidden-mobile elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"9454828\" data-element_type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-circle\\&quot; viewBox=\\&quot;0 0 512 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;ekit_we_effect_on&quot;:&quot;none&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__9454828\" aria-expanded=\"true\" aria-label=\"\u0641\u062a\u062d \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a\" data-no-translation-aria-label=\"\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__9454828\" aria-expanded=\"true\" aria-label=\"\u0625\u063a\u0644\u0627\u0642 \u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a\" data-no-translation-aria-label=\"\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__9454828\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les fibres de polypropyl\u00e8ne ont \u00e9t\u00e9 utilis\u00e9es dans des applications de b\u00e9ton avec des exigences \u00e9lev\u00e9es en mati\u00e8re de r\u00e9sistance aux fissures. L'excellent effet anti-fissuration des fibres de polypropyl\u00e8ne a \u00e9t\u00e9 confirm\u00e9 par l'ing\u00e9nierie exp\u00e9rimentale, mais l'impact sur les autres propri\u00e9t\u00e9s du b\u00e9ton, en particulier la performance \u00e0 long terme et la durabilit\u00e9, est devenu une pr\u00e9occupation pour les chercheurs et les utilisateurs. Cet article analyse les [...]<\/p>","protected":false},"author":1,"featured_media":5337,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[7],"tags":[30,47,31],"class_list":["post-5311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-post","tag-fiber-reinforced-concrete","tag-improve-the-anti-cracking","tag-tenabrix-polypropylene-fiber"],"_links":{"self":[{"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/posts\/5311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/comments?post=5311"}],"version-history":[{"count":19,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/posts\/5311\/revisions"}],"predecessor-version":[{"id":5762,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/posts\/5311\/revisions\/5762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/media\/5337"}],"wp:attachment":[{"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/media?parent=5311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/categories?post=5311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenabrix.com\/fr\/wp-json\/wp\/v2\/tags?post=5311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}