cast-in-place

Nowadays, slop roof consists of steel column and beam or steel truss and purling, and connected with existed building by concrete beam cast in place, is being used commonly in this project.

目前，在全国各地的“平改”项目中，普遍采用轻钢结构，由钢柱、钢梁或钢桁架及钢檩条构成，通浇筑凝土卧梁将新增轻钢与有凝土结构连接。