摘要
水泥土搅拌桩加锚杆基坑围护结构是一种基坑支护新工艺。结合深圳火车站皮带廊水泥土搅拌桩加锚杆基坑围护工程的变形测试 ,获得该基坑围护结构在开挖过程中变形 (水平位移和沉降 )的数据。通过综合分析 ,探讨这种基坑围护结构的变形特点 ,依据阶段性测试结果 ,对基坑开挖中围护结构安全状态进行分析和预测 ,并讨论如何确定报警值的问题 ,取得了良好效果。
Cement soil mixing pile plus anchor bolts is a new supporting technology for foundation pit. Deformation data (lateral displacement and settlement) is obtained through site testing, and the characteristics of deformation of this structure are studied based on comprehensive analysis. An analysis and prediction is made of safe conditions of supporting structure during excavation of foundation pit, and the issue of alarming value determination is discussed.
出处
《铁道标准设计》
2002年第12期50-53,共4页
Railway Standard Design
关键词
水泥土搅拌桩
锚杆
基坑围护
变形测试
报警值
基坑开挖
cement soil mixing pile, anchor bolt, foundation pit supporting, deformation test, alarming value
