摘要
针对天津地区土层松软、地下水丰富的地质特点,天津地铁3号线华苑站基坑主体围护结构采用全套管钻机形成排桩实施咬合桩技术,作为支护结构,同时起到承重和止水帷幕作用,社会效益和经济效益都优于其他支护结构,在实践工程中极具推广价值。
With soft layer and abundant groundwater geological characteristic of area of Tianjin, the major supporting structure of Huayuan staion, Line 3 of Tianjin subway adopts the whole sleeve drilling machine to lock the piles and forms a monolithic locked retain wall structure. This supporting structure can play bearing and seepage resistance performance, and is superior to others at both social benefit and economic benefit. This kind of supporting structure is of significance value if its can be iadely popularized.
出处
《土工基础》
2005年第5期35-38,共4页
Soil Engineering and Foundation
关键词
钻孔咬合桩
全套管钻机
超缓凝混凝土
bored lock pile, whole pipe sleeve drilling machine, exceed-usual slow coagulation concrete
