软土地基深基坑角撑+排桩组合支护下的土方开挖技术  

Excavation Technique Under Supporting Gusset of Soft Soil Foundation Pit and Row of Piles

作　　者：张震[1] ZHANG Zhen(China Construction Eighth Engineering Bureau Co. Ltd. Shanghai Branch, Shanghai 200433, Chin)

机构地区：[1]中国建筑第八工程局有限公司上海分公司,上海200433

出　　处：《工程建设与设计》2018年第13期225-228,共4页Construction & Design for Engineering

摘　　要：沿海地区软土地基土质较复杂,论文从施工角度对软土地基深基坑角撑+排桩支护形式特点进行分析,列举多种深基坑角撑+排桩支护形式下的土方开挖施工技术的优缺点,并借助工程实例提出一种能有效解决软土地基深基坑角撑+排桩支护形式下"先浅后深"施工的土方开挖难题。The coastal area soft soil foundation soil is relatively complex, this paper from the angle of construction on soft soil foundation pit enclosure ＋ row pile supporting form features are analyzed, lists the advantages and disadvantages of various deep foundation pit enclosure ＋ piles under the form of earthwork excavation construction technology, and with the engineering example provides an effective solution to the soft soil deep foundation pit enclosure ＋ piles under the form of ＂shallow to deep＂ excavation construction problems.

关 键 词：沿海软土地基 深基坑 角撑 排桩 先浅后深 搅拌桩 拉森钢板桩 

分 类 号：TV553[水利工程—水利水电工程] TU171.8[建筑科学—建筑理论]