双线平行顶管上跨地铁盾构隧道施工环境影响实测分析

应宏伟, 姚言, 王奎华, 张昌桔

Observed Environment Response Caused by Construction of Double-Line Parallel Pipe Jacking Crossing over Metro Shield Tunnels

YING Hongwei, YAO Yan, WANG Kuihua, ZHANG Changju

表2 单线顶管Peck法横向地面沉降拟合参数

Tab.2 Transverse surface settlement fitting parameters of Peck formula of single-line pipe jacking

断面 Smax/mm i/m K η/% DBC-1 34.78 2.60 0.63 1.65 DBC-2 26.89 3.17 0.77 1.56 DBC-3 29.64 3.40 0.82 1.84 DBC-4 31.53 3.35 0.81 1.93 DBC-5 18.14 3.71 0.90 1.23 DBC-6 — — — — DBC-7 19.2 3.47 0.84 1.22 平均 26.7 3.28 0.79 1.60