undulance

By analyzing the monitoring data of the earth pressure on the wall,three earth pressure models were sum up,that is,the straight line increase,undulance increase and extra load pattern etc.

施工过程土压力沿坑深变化有直线递增、波状递增、载作等分布模式。对不同土压力分布模式支结构内力进行分析得出:直线递增(三角形)载作,个墙身上部弯矩较小,部则较大;