Study of time-space united calculating method of stratum deformation caused by shield tunnel excavation.

Release time:2016-03-30

Journal:Rock and Soil Mechanics

Key Words:shield tunnel; stratum deformation; stochastic medium; time-space united calculating method;

Abstract:从经典的 Mindlin 弹性理论公式出发，基于盾构施工工作面推力为圆形均布荷载、盾构外壁与土层的摩擦力均匀分布等假定的基础上，考虑盾构施工推进过程中盾构机位置不断变化的实际情况，建立了盾构施工推进过程的力学计算模型，由此推导了盾构推进工作面附加压力以及盾构机外壁与土层摩擦力作用下隧道周边任意位置地层变形的计算公式。

Indexed by:Applied Research

Document Code:1000-7598(2009)08-2379-06

Volume:30

Issue:8

Page Number:2379-2384

ISSN No.:1000-7598

Translation or Not:no

Date of Publication:2009-08-10

Links to published journals:http://www.cnki.net/KCMS/detail/detail.aspx?QueryID=1&CurRec=6&recid=&filename=YTLX200908035&dbname=CJFD2009&dbcode=CJFQ&pr=&urlid=&yx=&uid=WEEvREcwSlJHSldSdnQ1V040ZzdENzRzYWRpNkczVysvY1JMY0FJZDdxZGF6