摘要
结合南京某基坑开挖工程实例，采用不同方法对钢管支撑轴力进行监测，对比两种方法监测结果，分析了基坑开挖过程中轴力变化规律，指出采用反力计和应变计监测钢管支撑结果基本相同，预加力损失20％～40％，实测最大轴力为设计允许值的40％～60％。
Combining with the excavation of a foundation pit in Nanjing, the varying regular patterns of axial force of steel supports are analyzed by comparing monitoring results obtained in different monitoring methods, there is little difference in the results monitored by anti-force meters and strain gauges, the lose of prestressing is 20% to 40% , the maximum axial force is 40% to 60% of the allowed values.
出处
《山西建筑》
2013年第31期83-84,共2页
Shanxi Architecture
关键词
基坑监测
钢支撑
轴力
excavation monitoring, steel support, axial force
