摘要
以上海长风生态商务区内某非对称深大基坑工程为背景,针对其在同步开挖设计理念下的方案选型、工况流程及数值计算等技术要点进行了深入探讨。通过对支护方案分析确定了"同步开挖,整体顺作"的施工方案及支护结构选型。有限元分析及施工现场监测结果表明,本工程的设计方案较好地控制了基坑变形,保护了基坑周边的管线。
A ultra-large deep asymmetric excavation located in Changfeng Ecological Commerce District in Shanghai is taken as an example.According to the design concept of synchronous construction,the key techniques including selection of retaining system,operating model flow and numerical analysis are introduced.Through the analysis of the support scheme,the construction scheme and the selection of the supporting structure are determined.The finite element analysis and the monitoring results show that the design scheme of this project can control the deformation of the foundation excavation and protect the pipeline around the foundation excavation.
出处
《施工技术》
CAS
北大核心
2017年第7期89-93,共5页
Construction Technology
基金
上海市科学技术委员会科研计划项目(15XD1521900)
关键词
基础工程
软土
非对称基坑
同步开挖
支护
施工技术
foundations
soft soils
asymmetric foundation excavation
synchronous excavation
supports
construction
