{"id":1854,"date":"2024-04-05T21:14:45","date_gmt":"2024-04-06T00:14:45","guid":{"rendered":"https:\/\/carlosfreire.com.br\/?p=1854"},"modified":"2024-04-05T21:16:08","modified_gmt":"2024-04-06T00:16:08","slug":"elementor-1854","status":"publish","type":"post","link":"https:\/\/carlosfreire.com.br\/?p=1854","title":{"rendered":"Estacas Met\u00e1licas"},"content":{"rendered":"\t\t
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Por: Carlos Freire<\/span><\/span><\/span>
<\/span><\/p>

Bastante econ\u00f4micas em funda\u00e7\u00f5es que apresentam solos resistentes a grandes profundidades e com solicita\u00e7\u00f5es elevadas de cargas, as estacas met\u00e1licas mais utilizadas s\u00e3o:<\/span><\/p>

a) Perfil H laminado e soldado: s\u00e3o as estacas mais utilizadas, uma vez que apresentam mesma in\u00e9rcia nas duas dire\u00e7\u00f5es principais, al\u00e9m de f\u00e1cil penetra\u00e7\u00e3o na crava\u00e7\u00e3o.<\/span><\/p>

b) Perfil duplo I laminado, soldado dois a dois: s\u00e3o bastantes comuns e apresentam caracter\u00edsticas semelhantes aos perfis H.<\/span><\/p>

c) Tubos de a\u00e7o: apresentam espessura de parede acima de 5mm podendo ser cravados com ou sem ponteira.<\/span><\/p>

A utiliza\u00e7\u00e3o de estacas met\u00e1licas implica na ado\u00e7\u00e3o de solu\u00e7\u00f5es protetoras contra corros\u00e3o como pintura, aplica\u00e7\u00e3o de resina ep\u00f3xi e encapsulamento com concreto.<\/span><\/p>

\u00a0<\/p>

Estacas Pranchas<\/b>
<\/span>As estacas pranchas apresentam campo de atua\u00e7\u00e3o na execu\u00e7\u00e3o de obras tempor\u00e1rias como valas para redes de \u00e1gua, esgoto e galerias, ou obras definitivas como conten\u00e7\u00f5es, arrimos de ponte e viadutos, canais \u00e0 c\u00e9u aberto, tapamentos e passagens urbanas rebaixadas.<\/span><\/p>

As estacas pranchas s\u00e3o perfis que permitem o auto-acoplamento de v\u00e1rias pe\u00e7as sucessivas atrav\u00e9s de encaixes tipo “macho-f\u00eamea”, s\u00e3o fornecidas com qualquer comprimento e apresentam maior rigidez e desempenho na crava\u00e7\u00e3o quando apresentam ondas ou sali\u00eancias enrijecidas.<\/span><\/p>

\u00a0<\/p>

Podem ser combinadas com outras t\u00e9cnicas de conten\u00e7\u00e3o como pranchas de madeira, parede diafragma e apresentam as seguintes vantagens:<\/span><\/p>

\u00bb<\/b>\u00a0Elevado reaproveitamento<\/span><\/p>

\u00bb<\/b>\u00a0Obten\u00e7\u00e3o de conten\u00e7\u00f5es imperme\u00e1veis<\/span><\/p>

\u00bb<\/b>\u00a0Execu\u00e7\u00e3o r\u00e1pida<\/span><\/p>

\u00bb<\/b>\u00a0Execu\u00e7\u00e3o em obras tempor\u00e1rias e definitivas<\/span><\/p>

\u00bb<\/b>\u00a0Atingem grandes profundidades<\/span><\/p>

\u00bb<\/b>\u00a0Custo m\u00e9dio a alto<\/span><\/p>

\u00a0<\/p>

Apresentam as seguintes desvantagens:<\/span><\/b><\/span><\/p>

\u00bb<\/b>\u00a0Dif\u00edcil crava\u00e7\u00e3o em locais com interfer\u00eancias no subsolo.<\/span><\/p>

\u00bb<\/b> Dif\u00edcil transporte e i\u00e7amento em \u00e1reas urbanas congestionadas.<\/span><\/p>

\u00bb<\/b>\u00a0Causam barulho e trepida\u00e7\u00e3o devido \u00e0 crava\u00e7\u00e3o.<\/span><\/p>

\u00bb<\/b>\u00a0Necessidade de prote\u00e7\u00e3o anticorrosiva.<\/span><\/p>

\u00a0<\/span><\/p>

\u00a0<\/span><\/p>

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Por: Carlos Freire Bastante econ\u00f4micas em funda\u00e7\u00f5es que apresentam solos resistentes a grandes profundidades e com solicita\u00e7\u00f5es elevadas de cargas, as estacas met\u00e1licas mais utilizadas s\u00e3o: a) Perfil H laminado e soldado: s\u00e3o as estacas mais utilizadas, uma vez que apresentam mesma in\u00e9rcia nas duas dire\u00e7\u00f5es principais, al\u00e9m de f\u00e1cil penetra\u00e7\u00e3o na crava\u00e7\u00e3o. b) Perfil […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-1854","post","type-post","status-publish","format-standard","hentry","category-materias"],"yoast_head":"\nEstacas Met\u00e1licas - Carlos Freire<\/title>\n<meta name=\"description\" content=\"Escrit\u00f3rio T\u00e9cnico Carlos Freire especializado em projetos de engenharia Estrutural e de Helipontos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/carlosfreire.com.br\/?p=1854\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Estacas Met\u00e1licas - 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