复合土钉墙深基坑支护技术经济研究

Economic Analysis on Supporting Technology of Composite Soil Nailing Wall Deep Foundation Pit

阐述了复合土钉墙基本形式和构造特点,研究了复合土钉墙设计计算及施工技术要点,通过工程实例提出了复合土钉墙造价低、工期短、安全度高等优点,深基坑支护-截水应用经济效益显著。

The basic form and the structure characteristics of composite soil nailing wall are elaborated, and the de-sign calculation and key points of constructioh technology of composite soil nailing wall are researched. Through the engi-neering example, the advantages such as low cost, short construction period and high safety degree of composite soil nailing wall are put forward, and the deep foundation pit-cutting water application has the obvious economic benefit.