摘要
在郑州地铁紫荆山站换乘段和标准段分别布置测斜管并进行了水平位移的实时监测,整个基坑施工过程中未发现水平位移异常,基坑的最大水平位移值和位移速率均满足规范要求,另外基坑开挖到底至主体结构结束的这一段时间,水平位移并未增大,这说明对于黄河冲击平原的深基坑,地下连续墙+支撑是非常有效的支护措施,对郑州地区今后的地铁基坑工程具有指导意义。
Inclined pipes are respectively buried near the foundation pit of the transfer section and standard section in Zhengzhou subway station,and the horizontal displacements are monitored. no abnormal horizontal displacement is found in the construction process,and the maximum value and rate of horizontal displacement all meet with the standard requirement. Horizontal displacement did not increase from the completion of pit excavation to the main structure,which shows that underground continuous wall + support is very effective support measures for the foundation pit in the Yellow River plain and this confers some engineering reference for the subway pit in Zhengzhou region.
出处
《铁道建筑技术》
2015年第4期75-77,共3页
Railway Construction Technology
关键词
地铁
基坑
水平位移
subway
foundation pit
horizontal displacement
