排桩与复合土钉墙联合支护技术在深基坑中的应用
摘要:介绍了一个深基坑支护工程实例。该基坑周边有多种建筑物,有新建建筑和原有建筑,有临时建筑和永久建筑,基坑周边环境及地质条件复杂,基坑深度从9.0m至16.0m变化。因工期因素及土建施工工序安排制约,基础必须先施工较浅部分后施工较深部分。根据安全、经济和工期目标综合分析,采用了排桩及复合土钉墙联合支护方案。实施结果和监测数据显示,该方案全面满足了安全、经济和工期要求,可供类似工程参考。
Abstract:This paper introduces a retaining project of deep foundation pit.Around the pit there are many buildings with different characteristics such as newly built or already existed,for temporary use or for permanent use.The surrounding environment and the geological condition are complex,the pit-depth veries from 9.0 m to 16.0 m.Limited by the constraints such as the duration and the construction arrangement,the shallow part of the foundation must be constructed prior to the deeper parts.According to project goals on security,economic and duration,the combined method of the soldier piles and the composite soil nailing wall was adopt.The actual construction and the monitoring result shows,the combined method meet all the requirements,and may provide useful reference for the similar projects.
中文标题：
排桩与复合土钉墙联合支护技术在深基坑中的应用
The Application of Combined Method of the Soldier Piles and the Composite Soil Nailing Wall in Deep Foundation Pit
作者：
沈伊晔,郭密文
Shen Yiye,Guo Miwen
作者简介:沈伊晔,1980年生,男,汉族,福建福安人,工学学士,工程师,主要从事岩土工程设计、施工、管理工作。E-mail:shen98122@163.com
通讯地址：
北京航天勘察设计研究院, 北京 100071
TheGeotechnicalInstituteofBeijingAerospace,Beijing100071,China
中图分类号:TU941
doi:10.3969/j.issn.1007-2993.2011.01.007
出版物：岩土工程技术
收稿日期:2010-10-26
关键词:深基坑,排桩,复合土钉墙,基坑支护
Key words:deep foundation pit,soldier piles,composite soil nailing wall,retaining of foundation pit
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