临近既有河道的隧道掘进引起的地表沉降
姚言,应宏伟,王奎华,朱成伟,张昌桔,李冰河

Surface settlement induced by tunneling near existing river channel
Yan YAO,Hongwei YING,Kuihua WANG,Chengwei ZHU,Changju ZHANG,Binghe LI
图 4 不同L情况下的地表沉降曲线
Fig.4 Surface settlement curve under different L