低净空下超深地下连续墙钢筋笼吊装控制要点

Countermeasures on reinforcement cage hoisting of underground continuous wall under low headroom

随着城市建设的发展和地下空间的开发,各类地下建筑物大量兴建,其中以地铁工程最为常见。通过对上海地区某工程低净空下超深地下连续墙钢筋笼吊装的分析,介绍了钢筋笼吊装工序,分析了低净空下的重难点问题,并从钢筋笼焊接质量、桁架筋配置、吊装验算等方面,提出了针对性的控制措施。

With the development of urban construction and underground space,a large number of underground buildings have been built,among which the subway project is the most common.Based on the analysis of reinforcement cage hoisting under low headroom,this paper introduces the workflow of reinforcement cage hoisting.And this paper analyzes the key and difficult problems under low headroom.At last,this paper,from the aspects of welding quality of steel cages,trus bar configuration,lifting verification and calculation,puts forward corresponding detection measures.