亚热带海湾深基坑边坡的变形特征  

Deformation Features of Deep Foundation Pit Slope in Subtropical Gulf

作　　者：韩宏超 卫宏[1] 蔡贝特[2] 

机构地区：[1]海南大学土木建筑工程学院,海南海口570228 [2]海南有色工程勘察设计院,海南海口570206

出　　处：《海南大学学报（自然科学版）》2015年第2期167-174,共8页Natural Science Journal of Hainan University

基　　金：国家自然科学基金项目(51368017)

摘　　要：以海南省三亚市某亚热带海湾的深基坑工程为背景,通过对其施工期间的动态数据进行处理和分析,总结了该深基坑工程的支护结构变形、周边道路沉降变形、锚索应力及地下水位变化等特征.分析结果表明:在基坑开挖阶段中基坑围护结构变形较为明显,基坑周边的荷载变化对基坑围护结构变形的影响较大;在亚热带海洋性气候下的海南,较大的降水量会对基坑围护结构的变形和安全稳定有较大的影响;合理的腰梁设计和锚索施工可有效减少基坑失稳的可能性.In our report,based on a deep foundation pit engineering of subtropical gulf in Sanya,Hainan,the dynamic data during construction period were processed and analyzed,the features such as supporting structure deformation,subsidence deformation of surrounding roads,stress of anchor cable,and the change of underground water level were summarized. The results showed that the deformation of supporting structure during the excavation period of foundation pit is apparent,the change of loads along the foundation pit exerts a big influence on the deformation of supporting structure; In Hainan,with a subtropical maritime climate,the big amount of precipitation have some great influence on the deformation,safety and stability of supporting structure; the reasonable breast beam design and anchor cable construction decrease the possibility of instability.

关 键 词：深基坑边坡 海湾 变形特征 

分 类 号：TU473[建筑科学—结构工程]