摘要
软土地区基坑开挖是一项复杂的工程,针对软土流变性导致的"时空效应"的特点,以南京青奥轴线地下交通系统J2区明挖区间基坑工程为实例,对现场实测数据进行分析探讨,采用等效水平抗力系数计算方法,并与实测数值进行对比分析,证实了在软土地区基坑设计和施工中考虑时空效应的必要性。
Excavation in soft soil is a complicated project.According to the rule of time-space effect in soft soil excavation caused by soft soil rheological property,on the background of Nanjing plum state to Olympic axis subway system related to J2 field open-cut excavation zone,on-site measurement data were analyzed and discussed.We adopted the calculation method of equivalent horizontal resistance coefficient.Comparing with the test results and the monitoring data,we indicate that the time-space effect is essential to the design and construction of the pit foundation in soft soil.
出处
《交通科技》
2015年第5期65-68,共4页
Transportation Science & Technology
关键词
软土深基坑
时空效应
弹性杆系有限元法
excavation in soft soil
time-space effect
elastic bar element method
