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，普遍采用轻钢结顶，由钢柱、钢梁或钢桁架及钢檩条成，通浇筑土卧梁将新增轻钢顶与原有土结连接。