{"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\/pt\/fibras-de-polipropileno-para-concreto\/","title":{"rendered":"Fibras de polipropileno para concreto"},"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=\"Fibras de polipropileno para concreto\" 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>Nos \u00faltimos anos, as fibras de polipropileno t\u00eam sido usadas em aplica\u00e7\u00f5es de concreto com requisitos de alta resist\u00eancia a rachaduras. O excelente efeito antirrachadura das fibras de polipropileno foi confirmado pela engenharia experimental, mas o impacto sobre outras propriedades do concreto, especialmente o desempenho a longo prazo e a durabilidade, tornou-se uma preocupa\u00e7\u00e3o de pesquisadores e usu\u00e1rios. Este artigo analisa as propriedades mec\u00e2nicas gerais, as propriedades de longo prazo e as propriedades de durabilidade do concreto de fibra de polipropileno.<\/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. Inibir o encolhimento<\/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>A adi\u00e7\u00e3o de fibras de polipropileno pode inibir efetivamente a retra\u00e7\u00e3o do concreto. Tomando o 90d como exemplo, com a adi\u00e7\u00e3o de 0,3 kg\/m3 a 0,9 kg\/m3 de fibra de polipropileno, a retra\u00e7\u00e3o seca do concreto \u00e9 reduzida em 8% a 15% em compara\u00e7\u00e3o com o concreto de refer\u00eancia, o que se deve principalmente \u00e0 presen\u00e7a de fibras de polipropileno no material da superf\u00edcie do concreto. \u00c9 mais dif\u00edcil fazer com que a superf\u00edcie do concreto perca \u00e1gua e umidade, de modo que a tens\u00e3o formada pela retra\u00e7\u00e3o seja reduzida, inibindo assim a retra\u00e7\u00e3o de forma eficaz.<\/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=\"a retra\u00e7\u00e3o do concreto\" 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\">a retra\u00e7\u00e3o do concreto<\/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. Penetra\u00e7\u00e3o de \u00edons anti-cloreto<\/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>Embora o efeito de melhoria da fibra de polipropileno na permeabilidade do concreto contra \u00edons cloreto n\u00e3o seja t\u00e3o significativo quanto o da impermeabilidade, ele ainda mostra que, com o aumento do teor de fibra de polipropileno, o coeficiente de difus\u00e3o de \u00edons cloreto no concreto diminui, indicando que o concreto com fibra de polipropileno pode resistir com mais efic\u00e1cia \u00e0 eros\u00e3o de \u00edons cloreto externos.<\/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-corros\u00e3o<\/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>O refor\u00e7o no concreto incorporado com fibra de polipropileno est\u00e1 em boas condi\u00e7\u00f5es, mostrando a capacidade do concreto com fibra de polipropileno de resistir ao ataque de \u00edons cloreto e proteger o refor\u00e7o interno.<\/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=\"Concreto corro\u00eddo\" 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\">Concreto corro\u00eddo<\/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. Impermeabilidade<\/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>A fibra de polipropileno pode inibir de forma eficaz a gera\u00e7\u00e3o e o desenvolvimento de microfissuras de retra\u00e7\u00e3o de secagem precoce e fissuras de segrega\u00e7\u00e3o do concreto, reduzindo de forma eficaz a gera\u00e7\u00e3o de fissuras conectadas e, assim, melhorando seu desempenho de impermeabilidade.<\/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. Resist\u00eancia ao congelamento<\/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>A adi\u00e7\u00e3o de fibras de polipropileno pode reduzir significativamente os ciclos de congelamento e descongelamento do concreto ap\u00f3s o fen\u00f4meno de fragmenta\u00e7\u00e3o da superf\u00edcie e manter a integridade da apar\u00eancia do concreto. Por meio de pesquisas experimentais sobre as propriedades mec\u00e2nicas convencionais, as propriedades de longo prazo e a durabilidade do concreto com fibra de polipropileno, constatou-se que a fibra de polipropileno pode aumentar a resist\u00eancia inicial do concreto a rachaduras, al\u00e9m de inibir efetivamente a retra\u00e7\u00e3o e a flu\u00eancia do concreto e aumentar a resist\u00eancia do concreto. Ela pode resistir \u00e0 corros\u00e3o de \u00edons de cloreto externos, proteger as barras de a\u00e7o e evitar a corros\u00e3o. Em resumo, o teor de fibra \u00e9 de 0,9 kg\/m3 de mistura de fibra de polipropileno. O concreto apresenta propriedades mec\u00e2nicas gerais superiores, propriedades de longo prazo e desempenho permanente de durabilidade.<\/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>Fibra Tenabrix\u00ae De acordo com os resultados da pesquisa, para a conveni\u00eancia dos projetos de concreto dos clientes, forne\u00e7a fibras de monofilamento de polipropileno com <a href=\"http:\/\/tenabrix.com\/pt\/contato\/?fromppfiberforc\">Embalagens de 900g<\/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>Para obter mais informa\u00e7\u00f5es sobre o Tenabrix\u00ae Concrete Fiber, consulte o site:\u00a0 <strong><span style=\"text-decoration: underline;\"><a href=\"http:\/\/tenabrix.com\/pt\/\">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\t\u00cdndice\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>Nos \u00faltimos anos, as fibras de polipropileno t\u00eam sido usadas em aplica\u00e7\u00f5es de concreto com requisitos de alta resist\u00eancia a rachaduras. O excelente efeito antirrachadura das fibras de polipropileno foi confirmado pela engenharia experimental, mas o impacto sobre outras propriedades do concreto, especialmente o desempenho e a durabilidade a longo prazo, tornou-se uma preocupa\u00e7\u00e3o de pesquisadores e usu\u00e1rios. Este artigo analisa os aspectos gerais [...]<\/p>","protected":false},"author":1,"featured_media":5337,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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\/pt\/wp-json\/wp\/v2\/posts\/5311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/comments?post=5311"}],"version-history":[{"count":19,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/posts\/5311\/revisions"}],"predecessor-version":[{"id":5762,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/posts\/5311\/revisions\/5762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/media\/5337"}],"wp:attachment":[{"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/media?parent=5311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/categories?post=5311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenabrix.com\/pt\/wp-json\/wp\/v2\/tags?post=5311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}