SUBSIDENCE OWING TO TUNNELING .1. ESTIMATING THE GAP PARAMETER

被引：253

作者：

LEE, KM ^{[1
]}

ROWE, RK ^{[1
]}

LO, KY ^{[1
]}

机构：

[1] UNIV WESTERN ONTARIO,FAC ENGN SCI,GEOTECH RES CTR,LONDON N6A 5B9,ONTARIO,CANADA

来源：

CANADIAN GEOTECHNICAL JOURNAL | 1992年 / 29卷 / 06期

关键词：

TUNNELING; SETTLEMENT; SUBSIDENCE; CLAYS; SOFT GROUND; ANALYSIS; DESIGN;

D O I：

10.1139/t92-104

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

A simple, numerically based procedure for the estimation of the so-called gap parameter is described. The gap parameter represents the vertical displacement above the crown of the tunnel and is a measure of ground loss owing to tunnelling in soft ground. This parameter is a function of the three-dimensional elastoplastic deformation at the tunnel face, the tunnelling machine shield and lining geometry, and workmanship. This parameter can then be used to predict the resulting ground deformations using either two-dimensional finite element methods or empirical correlations.

引用

页码：929 / 940

页数：12

共 27 条

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