{"id":11951,"date":"2025-06-10T07:23:27","date_gmt":"2025-06-10T07:23:27","guid":{"rendered":"https:\/\/tenessy.com\/?p=11951"},"modified":"2025-06-10T07:23:29","modified_gmt":"2025-06-10T07:23:29","slug":"os-4-principais-aditivos-para-concreto-para-evitar-rachaduras-um-guia-completo","status":"publish","type":"post","link":"https:\/\/tenessy.com\/pt\/os-4-principais-aditivos-para-concreto-para-evitar-rachaduras-um-guia-completo\/","title":{"rendered":"Os 4 principais aditivos para concreto para evitar rachaduras: Um guia completo"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"11951\" class=\"elementor elementor-11951\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d2c361d e-flex e-con-boxed e-con e-parent\" data-id=\"d2c361d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d70c74 elementor-widget elementor-widget-image\" data-id=\"6d70c74\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/Preventing_concrete_cracks.webp\" class=\"attachment-large size-large wp-image-11960\" alt=\"Preven\u00e7\u00e3o de rachaduras no concreto\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/Preventing_concrete_cracks.webp 800w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/Preventing_concrete_cracks-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/Preventing_concrete_cracks-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/Preventing_concrete_cracks-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f327f62 elementor-widget elementor-widget-text-editor\" data-id=\"f327f62\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A rachadura \u00e9 um dos problemas mais comuns e caros na constru\u00e7\u00e3o de concreto. Ela afeta n\u00e3o apenas a apar\u00eancia, mas tamb\u00e9m a durabilidade, o desempenho da impermeabiliza\u00e7\u00e3o e a resist\u00eancia a longo prazo das estruturas de concreto. Felizmente, com os aditivos de concreto certos para evitar rachaduras, \u00e9 poss\u00edvel reduzir significativamente a forma\u00e7\u00e3o de rachaduras e melhorar a qualidade geral da mistura.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f88059 elementor-widget elementor-widget-text-editor\" data-id=\"0f88059\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Neste guia, exploramos quatro dos aditivos para concreto mais eficazes usados por profissionais em todo o mundo:<b> Superplastificantes HPMC, HEMC, fibra de PP e PCE<\/b>. Se voc\u00ea est\u00e1 procurando um aditivo de fibra para concreto, um aditivo para concreto \u00e0 prova d'\u00e1gua ou precisa melhorar o desempenho do concreto em clima frio ou em condi\u00e7\u00f5es de cura r\u00e1pida, este artigo oferece as solu\u00e7\u00f5es de que voc\u00ea precisa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1be027 elementor-widget elementor-widget-heading\" data-id=\"c1be027\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Por que o concreto racha\uff1f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6090235 elementor-widget elementor-widget-text-editor\" data-id=\"6090235\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O concreto \u00e9 um material complexo. Ele encolhe ao secar, reage \u00e0s mudan\u00e7as de temperatura e pode sofrer retra\u00e7\u00e3o pl\u00e1stica, estresse t\u00e9rmico e perda de umidade. Sem um projeto de mistura e aditivos adequados, esses comportamentos naturais podem resultar em:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-488593d elementor-widget elementor-widget-text-editor\" data-id=\"488593d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Rachaduras superficiais<\/p><p>Rachaduras de contra\u00e7\u00e3o<\/p><p>Rachaduras t\u00e9rmicas<\/p><p>Falhas de estresse estrutural<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72ad92b elementor-widget elementor-widget-text-editor\" data-id=\"72ad92b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00c9 a\u00ed que entram os aditivos de concreto para evitar rachaduras. Esses aditivos especializados s\u00e3o adicionados durante a mistura para controlar a umidade, melhorar a flexibilidade, reduzir o encolhimento e aumentar a resist\u00eancia interna.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da3f61c elementor-widget elementor-widget-heading\" data-id=\"da3f61c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II.Top 4 Aditivos de concreto para evitar rachaduras<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a712421 elementor-widget elementor-widget-heading\" data-id=\"a712421\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. HPMC (hidroxipropilmetilcelulose) - reten\u00e7\u00e3o de \u00e1gua superior<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdda158 elementor-widget elementor-widget-text-editor\" data-id=\"bdda158\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Na argamassa misturada a seco e no concreto auto-misturado, a superf\u00edcie perde umidade rapidamente ap\u00f3s a constru\u00e7\u00e3o, resultando em rachaduras por retra\u00e7\u00e3o pl\u00e1stica. Os trabalhadores da constru\u00e7\u00e3o civil relatam baixa trabalhabilidade e baixa ader\u00eancia, especialmente em condi\u00e7\u00f5es de vento ou seca.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-648e00f elementor-widget elementor-widget-text-editor\" data-id=\"648e00f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\" target=\"_blank\" rel=\"noopener\">HPMC<\/a>\u00a0\u00e9 um\u00a0<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\" target=\"_blank\" rel=\"noopener\">aditivo de \u00e9ter de celulose<\/a>\u00a0amplamente utilizado em\u00a0<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/hpmc-for-drymix-mortar\/\" target=\"_blank\" rel=\"noopener\">argamassa seca<\/a>\u00a0e concreto. Ele funciona principalmente como um agente de reten\u00e7\u00e3o de \u00e1gua e espessante. Quando misturado ao concreto, o HPMC retarda a evapora\u00e7\u00e3o da \u00e1gua, garantindo que as part\u00edculas de cimento passem por uma hidrata\u00e7\u00e3o completa.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18b7449 elementor-widget elementor-widget-image\" data-id=\"18b7449\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/elementor\/thumbs\/concrete_construction-2-r73bth2wzrx1r5831erdqr20z1t0uiug3rub57hrso.webp\" title=\"constru\u00e7\u00e3o_de_concreto (2)\" alt=\"constru\u00e7\u00e3o_de_concreto (2)\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a43d88 elementor-widget elementor-widget-heading\" data-id=\"9a43d88\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Por que isso \u00e9 fundamental para evitar rachaduras?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0779a9f elementor-widget elementor-widget-text-editor\" data-id=\"0779a9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A r\u00e1pida perda de \u00e1gua pode causar rachaduras por retra\u00e7\u00e3o pl\u00e1stica no concreto antes que ele endure\u00e7a. Ao reter a umidade na mistura por um per\u00edodo mais longo, o HPMC permite que o cimento endure\u00e7a de forma mais uniforme e reduz o risco de rachaduras na superf\u00edcie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba2a4b1 elementor-widget elementor-widget-text-editor\" data-id=\"ba2a4b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O HPMC tamb\u00e9m melhora a trabalhabilidade do concreto, facilitando a aplica\u00e7\u00e3o e o acabamento. Ele desempenha um papel complementar em sistemas que exigem aditivos para concreto \u00e0 prova d'\u00e1gua, pois as matrizes bem hidratadas t\u00eam menor porosidade e maior resist\u00eancia \u00e0 penetra\u00e7\u00e3o de \u00e1gua.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8654ed elementor-widget elementor-widget-heading\" data-id=\"d8654ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Cen\u00e1rios de aplica\u00e7\u00e3o:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb02ef1 elementor-widget elementor-widget-text-editor\" data-id=\"eb02ef1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Concreto pronto, argamassa de reboco e formula\u00e7\u00f5es de mistura seca em ambientes de temperatura moderada.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a45f23 elementor-widget elementor-widget-heading\" data-id=\"2a45f23\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Observa\u00e7\u00e3o importante:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c191f00 elementor-widget elementor-widget-text-editor\" data-id=\"c191f00\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O HPMC \u00e9 sens\u00edvel a altas temperaturas. Em climas quentes, o HEMC \u00e9 a escolha preferida devido \u00e0 sua estabilidade t\u00e9rmica superior.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4eff47 elementor-widget elementor-widget-heading\" data-id=\"d4eff47\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. HEMC (hidroxietilmetilcelulose) - para concreto de clima quente<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b77031 elementor-widget elementor-widget-text-editor\" data-id=\"9b77031\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEm climas quentes ou pa\u00edses tropicais, a \u00e1gua do concreto nos locais de constru\u00e7\u00e3o evapora rapidamente. Comum\u00a0<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/products\/hemc-hydroxyethyl-methyl-cellulose\/\" target=\"_blank\" rel=\"noopener\">Produtos HPMC<\/a>\u00a0apresentam altas taxas de perda em altas temperaturas, resultando, muitas vezes, em ressecamento durante o alisamento e at\u00e9 mesmo em rachaduras e fissuras.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f385ca elementor-widget elementor-widget-text-editor\" data-id=\"1f385ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>O HEMC \u00e9 um \u00e9ter de celulose com uma estrutura semelhante \u00e0 do HPMC, mas projetado para um melhor desempenho em condi\u00e7\u00f5es alcalinas e de alta temperatura. Em regi\u00f5es tropicais ou em obras de ver\u00e3o, o HEMC aumenta a reten\u00e7\u00e3o de \u00e1gua quando ela \u00e9 mais necess\u00e1ria. \u00c9 um aditivo de concreto \u00e0 prova d'\u00e1gua de alto desempenho e ideal para minimizar as rachaduras causadas pelo movimento t\u00e9rmico e pela hidrata\u00e7\u00e3o irregular.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29b308 elementor-widget elementor-widget-heading\" data-id=\"c29b308\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Como ele evita rachaduras:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96d6f69 elementor-widget elementor-widget-text-editor\" data-id=\"96d6f69\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Evita a r\u00e1pida evapora\u00e7\u00e3o da \u00e1gua em ambientes quentes e ventosos, reduzindo o encolhimento do pl\u00e1stico.<\/p><p>Mant\u00e9m a cura uniforme, minimizando as rachaduras t\u00e9rmicas e o estresse interno.<\/p><p>Oferece melhor tempo de abertura, o que \u00e9 essencial para grandes vazamentos ou acabamento em clima quente.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94ec6d8 elementor-widget elementor-widget-heading\" data-id=\"94ec6d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Melhor para:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d72e29a elementor-widget elementor-widget-text-editor\" data-id=\"d72e29a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Constru\u00e7\u00e3o em climas quentes, concretagem em massa e concreto bombe\u00e1vel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da912d3 elementor-widget elementor-widget-heading\" data-id=\"da912d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. fibra de polipropileno (fibra PP) - evita a propaga\u00e7\u00e3o de microfissuras<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-777180f elementor-widget elementor-widget-text-editor\" data-id=\"777180f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As microfissuras causadas pela retra\u00e7\u00e3o interna de secagem e pela tens\u00e3o de temperatura no concreto s\u00e3o dif\u00edceis de detectar a olho nu, mas tendem a se expandir com o tempo, especialmente em estruturas de grande volume, como <b>pisos, t\u00faneis e pontes<\/b>onde geralmente formam uma rede de rachaduras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5883d34 elementor-widget elementor-widget-image\" data-id=\"5883d34\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/elementor\/thumbs\/bridge-r73btjwfka0wpz3zkxz9g8cer7f4hm5n45srl1dlaa.webp\" title=\"ponte\" alt=\"ponte\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40390bd elementor-widget elementor-widget-text-editor\" data-id=\"40390bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/products\/pp-fiber-polypropylene-fiber\/\" target=\"_blank\" rel=\"noopener\">Fibra de polipropileno (fibra PP)<\/a>\u00a0\u00e9 um popular aditivo de fibra de concreto que fortalece o concreto por dentro. Essas microfibras sint\u00e9ticas formam uma rede 3D que controla a forma\u00e7\u00e3o de rachaduras durante o assentamento e o endurecimento, especialmente em grandes concretagens e pisos industriais. A fibra de PP funciona mecanicamente, interrompendo a propaga\u00e7\u00e3o de rachaduras antes que elas se tornem vis\u00edveis.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b055a50 elementor-widget elementor-widget-text-editor\" data-id=\"b055a50\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Como um aditivo de fibra de concreto altamente eficaz, a fibra de PP controla a fissura\u00e7\u00e3o no in\u00edcio da idade sem afetar o slump. Ela oferece refor\u00e7o uniforme em toda a matriz e reduz a necessidade da malha de a\u00e7o tradicional em muitas aplica\u00e7\u00f5es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b3994f elementor-widget elementor-widget-heading\" data-id=\"8b3994f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Como ele evita rachaduras:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1db2b24 elementor-widget elementor-widget-text-editor\" data-id=\"1db2b24\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Reduz as rachaduras por retra\u00e7\u00e3o pl\u00e1stica durante a cura inicial.<\/p><p>Aumenta a resist\u00eancia \u00e0 tra\u00e7\u00e3o e a ductilidade, ajudando o concreto a resistir ao estresse.<\/p><p>Melhora a resist\u00eancia a impactos, abras\u00e3o e ciclos de congelamento e descongelamento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b5f19d elementor-widget elementor-widget-heading\" data-id=\"7b5f19d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Melhor para:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4455ee4 elementor-widget elementor-widget-text-editor\" data-id=\"4455ee4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pisos industriais, estradas, plataformas de pontes, t\u00faneis, elementos pr\u00e9-moldados, concreto projetado.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5a3d5f elementor-widget elementor-widget-heading\" data-id=\"c5a3d5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4. PCE (superplastificante de policarboxilato) - controle da propor\u00e7\u00e3o de \u00e1gua, melhorando a resist\u00eancia<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f29941 elementor-widget elementor-widget-text-editor\" data-id=\"8f29941\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>No inverno ou em clima \u00famido, o concreto endurece lentamente e a desmoldagem \u00e9 atrasada, afetando seriamente o progresso da constru\u00e7\u00e3o. Alguns projetos precisam de concreto de resist\u00eancia precoce e secagem r\u00e1pida para cumprir os prazos, mas se ele secar muito rapidamente, estar\u00e1 sujeito a rachaduras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2fa271 elementor-widget elementor-widget-text-editor\" data-id=\"c2fa271\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer\/\" target=\"_blank\" rel=\"noopener\">Superplastificante de policarboxilato (PCE)<\/a>\u00a0\u00e9 um superplastificante de nova gera\u00e7\u00e3o usado para produzir concreto de alta resist\u00eancia e cura r\u00e1pida. Ele melhora a trabalhabilidade do concreto, reduzindo assim a retra\u00e7\u00e3o e as rachaduras. Como aditivo de concreto para clima frio, o PCE tamb\u00e9m apoia o desenvolvimento da resist\u00eancia em baixas temperaturas, acelerando a hidrata\u00e7\u00e3o.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f31c8c elementor-widget elementor-widget-heading\" data-id=\"2f31c8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Como ele evita rachaduras:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df12b06 elementor-widget elementor-widget-text-editor\" data-id=\"df12b06\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Reduz o teor de \u00e1gua sem comprometer a trabalhabilidade, minimizando as rachaduras por retra\u00e7\u00e3o de secagem.<\/p><p>Permite a cura r\u00e1pida ou o endurecimento lento, dependendo das necessidades do projeto (com variantes de resist\u00eancia precoce ou retardada).<\/p><p>Promove o empacotamento denso das part\u00edculas, reduzindo os vazios internos e as microfissuras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-549d434 elementor-widget elementor-widget-heading\" data-id=\"549d434\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Melhor para:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4eb24b8 elementor-widget elementor-widget-text-editor\" data-id=\"4eb24b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Concreto de alto desempenho, elementos pr\u00e9-moldados, constru\u00e7\u00e3o r\u00e1pida e aplica\u00e7\u00f5es em climas frios com controle de ajuste personalizado.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-344e78f elementor-widget elementor-widget-image\" data-id=\"344e78f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/elementor\/thumbs\/concrete_construction-r73btku9r4271l2mfgdw0q3vclahpb9dgag92bc742.webp\" title=\"constru\u00e7\u00e3o_de_concreto\" alt=\"constru\u00e7\u00e3o_de_concreto\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9be43c elementor-widget elementor-widget-heading\" data-id=\"f9be43c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Como escolher o aditivo antirrachadura correto?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68331db elementor-widget elementor-widget-text-editor\" data-id=\"68331db\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cada aditivo resolve um \"problema de rachadura\" espec\u00edfico. A escolha do aditivo certo depende de suas condi\u00e7\u00f5es ambientais, do tipo de concreto, das expectativas de desempenho e da configura\u00e7\u00e3o da produ\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8642942 elementor-widget elementor-widget-text-editor\" data-id=\"8642942\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr>\n<td width=\"189\">\n<p><b>Aditivo<\/b><\/p>\n<\/td>\n<td width=\"189\">\n<p><b>Fun\u00e7\u00e3o<\/b><\/p>\n<\/td>\n<td width=\"189\">\n<p><b>Ambiente ideal<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">\n<p>HPMC<\/p>\n<\/td>\n<td width=\"189\">\n<p>Reten\u00e7\u00e3o de umidade, controle de encolhimento<\/p>\n<\/td>\n<td width=\"189\">\n<p>Temperaturas padr\u00e3o, condi\u00e7\u00f5es secas<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">\n<p>HEMC<\/p>\n<\/td>\n<td width=\"189\">\n<p>Controle de umidade est\u00e1vel ao calor<\/p>\n<\/td>\n<td width=\"189\">\n<p>Climas quentes, aplica\u00e7\u00f5es de alta temperatura<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">\n<p>Fibra PP<\/p>\n<\/td>\n<td width=\"189\">\n<p>Resist\u00eancia a microfissuras, resist\u00eancia ao impacto<\/p>\n<\/td>\n<td width=\"189\">\n<p>Lajes, pisos industriais, pe\u00e7as pr\u00e9-moldadas<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"189\">\n<p>PCE<\/p>\n<\/td>\n<td width=\"189\">\n<p>Alta resist\u00eancia, pouca \u00e1gua, endurecimento r\u00e1pido<\/p>\n<\/td>\n<td width=\"189\">\n<p>Clima frio, projetos acelerados<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-999282e elementor-widget elementor-widget-text-editor\" data-id=\"999282e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ainda n\u00e3o tem certeza de qual aditivo \u00e9 o certo para seu projeto de mistura? Sinta-se \u00e0 vontade para entrar em contato com nossos especialistas para obter orienta\u00e7\u00e3o personalizada e projeto de receita de concreto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0689f43 elementor-widget elementor-widget-heading\" data-id=\"0689f43\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV.Fa\u00e7a parceria com um fabricante confi\u00e1vel de aditivos para concreto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f00e42d elementor-widget elementor-widget-text-editor\" data-id=\"f00e42d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEm\u00a0<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/hpmc-supplier\/\" target=\"_blank\" rel=\"noopener\">TENESSIA<\/a>Com o nosso sistema de gerenciamento de estoque, fornecemos solu\u00e7\u00f5es mais est\u00e1veis e personalizadas para profissionais do setor de concreto e argamassa, incluindo f\u00e1bricas de argamassa seca, empresas de concreto pronto, distribuidores de materiais de constru\u00e7\u00e3o e empreiteiros de engenharia.\n\nPodemos fornecer a voc\u00ea:\n\n- Recomenda\u00e7\u00f5es de f\u00f3rmulas de aditivos para diferentes projetos;\n\n- Orienta\u00e7\u00e3o de propor\u00e7\u00e3o t\u00e9cnica e servi\u00e7os de teste de amostras;\n\n- Fornecimento flex\u00edvel, embalagem sob demanda, suporte para OEM;\n\n- Resposta r\u00e1pida \u00e0s necessidades dos clientes locais e forte capacidade de implementa\u00e7\u00e3o t\u00e9cnica.\n\nIndependentemente de voc\u00ea produzir concreto pronto, argamassa seca, elementos pr\u00e9-moldados ou produtos especiais, nossos aditivos para concreto para evitar rachaduras s\u00e3o testados, confi\u00e1veis e prontos para funcionar.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>O uso dos aditivos de concreto corretos para evitar rachaduras pode reduzir significativamente a forma\u00e7\u00e3o de rachaduras e melhorar a qualidade geral da mistura.<\/p>","protected":false},"author":1,"featured_media":11960,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-11951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/11951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/comments?post=11951"}],"version-history":[{"count":11,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/11951\/revisions"}],"predecessor-version":[{"id":11966,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/11951\/revisions\/11966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/media\/11960"}],"wp:attachment":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/media?parent=11951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/categories?post=11951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/tags?post=11951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}