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地下连续墙三墙合一基坑工程设计优化

发表时间:2009-01-31  浏览量:2746  下载量:1089
全部作者: 郭宏智
作者单位: 北京市建筑工程研究院
摘 要: 某检察院办案楼基坑由于周边条件所限,地下连续墙采用基坑支护墙、地下室外墙和主体结构承重墙三墙合一的结构形式,给地下连续墙的设计和施工带来了新的挑战。本文运用理正基坑支护设计软件对该基坑支护方案进行了初步设计,并根据该工程地下连续墙作为地下室外墙的要求,以及地下连续墙承重后与主体结构桩筏基础的沉降协调等方面进行了深化设计,主要包括地下连续墙配筋的优化、地下连续墙与主体结构的连接、地下连续墙的承重处理等相关方面。基坑开挖和主体结构施工前后的基坑监测数据表明:三墙合一的方案满足了基坑支护、抗渗及与主体结构沉降协调的设计要求,降低了工程造价,取得了良好的使用效果。
关 键 词: 特殊形式的基础;地下连续墙;承重;支护
Title: Optimization design for foundation pit engineering of three-in-one diaphragm wall
Author: Guo Hongzhi
Organization: Beijing Building Construction Research Institute
Abstract: Due to the surrounding conditions, the diaphragm wall is taken as the three-in-one structure form of retaining structure, basement wall and load-bearing wall of a procuratorate building’s foundation pit, which is a new challenge for the design and construction of diaphragm wall. After the preliminary design of foundation pit is put forward in this article by using Lizheng programming software, the optimization design has been done to meet the requirement of settlement coordination, anti-permeability and some other aspects. The monitoring data in the period of excavation and construction shows that this design reduces the construction cost and is successful.
Key words: special style foundation; diaphragm wall; bearing; retaining
发表期数: 2009年1月第2期
引用格式: 郭宏智. 地下连续墙三墙合一基坑工程设计优化[J]. 中国科技论文在线精品论文,2009,2(2):195-200.
 
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