{"id":45479,"date":"2018-02-26T18:03:17","date_gmt":"2018-02-26T16:03:17","guid":{"rendered":"https:\/\/mcrtecresa.com\/argamassas-tecwool\/tecwool-f\/proteccion-de-elementos-de-acero"},"modified":"2026-03-17T15:10:55","modified_gmt":"2026-03-17T13:10:55","slug":"proteccao-elementos-acero-vigas-e-pilares","status":"publish","type":"page","link":"https:\/\/mcrtecresa.com\/pt\/argamassas-tecwool\/tecwool-f\/proteccao-elementos-acero-vigas-e-pilares","title":{"rendered":"Tecwool F – Prote\u00e7\u00e3o de elementos de a\u00e7o (vigas e pilares)"},"content":{"rendered":"

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mcr tecresa\u00ae<\/a><\/span><\/span><\/code><\/pre>\n
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Solu\u00e7\u00f5es Construtivas do Tecwool\u00ae F<\/h2>
<\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_row_inner][vc_column_inner width=”1\/4″][vc_btn title=”Elementos de a\u00e7o (vigas e pilares)” style=”custom” custom_background=”#e42413″ custom_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:%23|||”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Elementos estruturais do bet\u00e3o” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Fprotecao-elementos-estrturais-do-betao”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Fibra de carbono em estruturas” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Ffibra-de-carbono”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Bet\u00e3o \/ Chapa perfilada de a\u00e7o” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Fprotecao-de-elemento-de-betao-chapa-de-aco”][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=”1\/4″][vc_btn title=”Laje abobadilha cer\u00e2mica\/vigas de madeira” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Flaje-abobadilha-ceramica-e-vigas-de-madeira”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Faixa de encontro parede vertical \/cobertura” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Ffaixa-encontro-parede-vertical-cobertura”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Divis\u00f3ria \/ revestimentos de grande formato” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Fdivisoria-revestimentos-de-grande-formato”][\/vc_column_inner][vc_column_inner width=”1\/4″][vc_btn title=”Prote\u00e7\u00e3o de t\u00faneis” style=”outline-custom” outline_custom_color=”#000000″ outline_custom_hover_background=”#666666″ outline_custom_hover_text=”#ffffff” shape=”round” size=”sm” align=”center” button_block=”true” link=”url:https%3A%2F%2Fmcrtecresa.com%2Fpt%2Fargamassas-tecwool%2Ftecwool-f%2Fprotecao-de-tuneis”][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=”10px”][vc_empty_space height=”10px”][\/vc_column][\/vc_row][vc_row][vc_column]
Tecwool\u00ae F - Prote\u00e7\u00e3o de elementos de a\u00e7o (vigas e pilares)<\/h1>
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As estruturas met\u00e1licas de a\u00e7o s\u00e3o um sistema construtivo mundialmente utilizado e expandido.<\/p>\n
Uma das suas vantagens fundamentais \u00e9 que ele possui uma grande resist\u00eancia por unidade de peso. Isso lhe atribui uma grande versatilidade e a possibilidade de realizar estruturas complexas assim como leves tamb\u00e9m.<\/p>\n
Pelo contr\u00e1rio, um dos inconvenientes que apresenta o a\u00e7o \u00e9 a sua alta condutividade. Portanto, durante um inc\u00eandio o progressivo aumento da temperatura, unido \u00e0 grande transmiss\u00e3o de calor que realiza o a\u00e7o faz que a capacidade portante e a resist\u00eancia mec\u00e2nica das estruturas vejam-se reduzidas. A partir de 250\u00b0 C modifica-se a resist\u00eancia e o limite el\u00e1stico, e aproximadamente a partir de 500\u00b0 C a queda da resist\u00eancia \u00e9 o suficientemente grande para n\u00e3o suportar a sua carga de desenho.<\/p>\n
Para evitar isto, mcr tecresa\u00ae<\/strong> comercializa a argamassa Tecwool\u00ae F<\/strong>, ensaiada segundo a norma UNE ENV 13381-4, na que se determina a contribui\u00e7\u00e3o da prote\u00e7\u00e3o contra o fogo da argamassa quando aplicada em elementos estruturais de a\u00e7o, j\u00e1 seja sobre vigas, pilares ou elementos de tens\u00e3o.<\/p>\n
Tecwool\u00ae F<\/strong> foi desenhada e avaliada para cobrir uma grande quantidade de perfis de a\u00e7o, caracterizados pelos seus fatores de sec\u00e7\u00e3o. Igualmente, est\u00e1 ensaiada para v\u00e1rias temperaturas de desenho especificadas na norma.<\/p>\n
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Ensaio<\/p>
<\/div><\/div>[vc_column_text]Norma<\/b>: UNE ENV 13381-4
\nLaborat\u00f3rio<\/b>: TECNALIA
\nN\u00ba ensaio<\/b>: 079105-001[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″]
<\/h2>
Solu\u00e7\u00e3o<\/p>
<\/div><\/div>[vc_column_text]1<\/strong>.<\/span> Perfil de a\u00e7o.<\/p>\n
2<\/strong>.<\/span> Tecwool\u00ae F (espessura em fun\u00e7\u00e3o do fator de sec\u00e7\u00e3o do perfil e do tempo de resist\u00eancia ao fogo requerido).[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column width=”1\/2″ css=”.vc_custom_1519682712284{padding-left: 2rem !important;}”]
Aplica\u00e7\u00e3o<\/h2>
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Tecwool\u00ae F<\/strong> projeta-se mediante m\u00e1quina pneum\u00e1tica de acordo com as seguintes especifica\u00e7\u00f5es t\u00e9cnicas:<\/p>\n
A superf\u00edcie a proteger-se n\u00e3o necessita de nenhum tipo de imprima\u00e7\u00e3o pr\u00e9via, malha ou qualquer outro tipo de suporte que sirva de ader\u00eancia \u00e0 argamassa.<\/p>\n
A superf\u00edcie a proteger-se estar\u00e1 limpa de poeira, \u00f3leos, res\u00edduos, part\u00edculas mal aderidas, restos de pintura, etc.<\/p>\n
Conv\u00e9m reg\u00e1-la ligeiramente com \u00e1gua da pr\u00f3pria mangueira de aplica\u00e7\u00e3o, para assim eliminar qualquer sujeira que o paramento possa ter. Isto tamb\u00e9m proporcionar\u00e1 que se alcance um equil\u00edbrio t\u00e9rmico entre a argamassa e a superf\u00edcie aplicada.<\/p>\n
Tecwool\u00ae F<\/strong> pode proporcionar diferentes acabamentos: \u00e1spero, liso, pintado etc., a depender da fun\u00e7\u00e3o est\u00e9tica requerida. Para acabamentos lisos, uma vez finalizada a proje\u00e7\u00e3o, deve-se passar um rolo e pressionar levemente a argamassa h\u00famida at\u00e9 conseguir a termina\u00e7\u00e3o desejada. \u00c9 poss\u00edvel pintar a argamassa com revestimentos acr\u00edlicos el\u00e1sticos que formem uma barreira a passagem de \u00e1gua. Antes de proceder \u00e0 pintura, deve-se assegurar que a argamassa esteja completamente seca (28 dias).<\/p>\n
Para que o consolidado do cimento realize-se em condi\u00e7\u00f5es \u00f3timas, uma vez projetada a argamassa \u00e9 necess\u00e1rio pulveriz\u00e1-la superficialmente com a \u00e1gua.<\/p>\n
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Documentos do produto<\/h2>
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Tamb\u00e9m pode interessar-te...<\/h2>
Prote\u00e7\u00e3o de elementos de a\u00e7o (vigas e pilares) com:<\/p>
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Alguma D\u00favida? Entre em contato connosco.<\/h2>
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