2011年5月下 施工技术 第40卷第341期 CONSTRUCTION TECHNOLOGY 61 软土地区某深基坑支护失稳分析 吴1，肖备2，谢建民1 (1.新江东阳第三建筑工程有限公司，新江东阳322100；2.浙江广厦建设取业技术学院建筑 工程学院，浙江东附322100) 【摘要]浙江省某花园工程因基坑支护设计、建设方变更要求和地质条件复杂等原因，造成基坑变形过大.首先对 基坑进行支护，接着对深层土体水平位移、基坑外道路及周边建筑物沉降变形、支撑轴力进行监测，对事故发生的 设计方、建设方、施工方原因进行分析，根据以上内容提出相应的一系列处理施，总结出深基坑开挖时注意事项， 引以为戒. [关键词]深基坑支护；软土地区；失稳分析 [中图分类号]TU753.1 [文献标识码]A 【文章编号]1002-8498(2011)10-0061-03 Stability Analysis of Deep Foundation Excavation Support in Soft Soil Area Wu Yao' Xiao Bei2 Xie Jianmin' (1.Zhejiang Dongyang Third Construction Engineering Co. Lid.Dongyang Zhejiang 322100 China; 2.School of Cisil Engineering and Architecture Zhejiang Guangsha College Dongyang Zhejiang 322100 China) Abstract:For the reasons of support design of foundation excavation changing requirements of construction pany and plex geological conditions the deformations of foundation excavation of a garden project in Zhejiang province are very large.After the foundation excavation is supported the monitoring is done for the level displacements of deep soil settlements at the surrounding buildings and roads supporting axial force.After the analysis corresponding measures are used to reduce the deformations.The attentions of foundation excavation are also concluded. Key words:deep foundation excavation support;soft soil area;instability analysis 1工程概况 条件复杂等原因，造成基坑变形过大. 浙江省某开发区花园工程为高层建筑，裙楼地 2基坑支护设计 下室1层，建筑面积97655m2 29~33层高层建筑 由于基坑北侧为学校塑胶跑道，离基坑很近，属 共4幢，西北面邻近实验中学操场，距基坑5~8m 北面为学校办公楼，东、西、南面均为城市主干道，距 支护重点.图b中开挖深度为7.75m ...
软土地区某深基坑支护失稳分析.pdf
