SAPATAS CORRIDAS-CONSTRUÇÃO
Autor: realizaconstruções e formação de mão de obra | Publicado: 2012-06-09T14:07:00-07:00

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.
Construção de Sapatas Corridas 

A sapata
corrida é um tipo de fundação em concreto armado, ou seja concreto com
ferragens que serve para suportar todo o peso da construção. Ela é construída
sobre uma camada de concreto magro e suas dimensões dependem do porte das
obras. 

Sobre a
camada de concreto magro, colocam-se as ferragens da sapata corrida com os
espaçadores (calços) para evitar o contato das ferragens com a superfície do
concreto magro. 

Prepara-se
o concreto estrutural (concreto resistente, forte) no traço 1:3,5:4 de cimento,
areia e brita, lança-o dentro das valas sobre as ferragens. Espalha-se o
concreto com a colher de pedreiro, vibra (soca) o mesmo com uma haste de ferro
ou com a ponta da colher e faz -se o nivelamento a partir da linha de nível. A
medida da altura utilizada no nivelamento (altura da linha até a superfície da
sapata corrida) é obtida diminuindo a altura da linha de nível até a camada do
concreto magro com a altura da camada da sapata corrida.