摘要
针对北京地区深基坑支护结构的实际受力与理论计算结果出入很大的问题,对北京亚奥广场支护结构的监测结果进行了分析．监测结果表明,护坡桩内钢筋的应力一般仅为数十MPa,远远小于设计强度值。而锚杆的实际拉力也仅为原设计值的1/3-1/2,说明实际作用于支护结构上的土压力显著小于设计采用的土压力值．监测结果为类似工程的设计提供了参考．
For the problem of huge difference between the actual stress in retaining structures of deep foundation pit and theoretical calculation, this article analyzed those data measured from YA-AO Square in Beijing. The results show that the stress in retaining piles is no less than 100 MPa, which is far less than designed strength, and the pulling force of anchors is 1/3-1/2 of designed value, which provide valuable references for similar projects
出处
《北京工业大学学报》
EI
CAS
CSCD
北大核心
2006年第2期110-114,共5页
Journal of Beijing University of Technology
基金
北京市教育委员会科学技术与研究生教育建设项目资助(4700001401506)
关键词
深基坑
支护结构
应力分析
锚杆
deep foundation pit
retaining structure
stress analysis
anchor
