The effects of boring a new tunnel under an existing masonry tunnel

被引：0

作者：

Samuel, HR ^{[1
]}

Mair, RJ ^{[1
]}

Lu, YC ^{[1
]}

Chudleigh, ILJ ^{[1
]}

Readings, P ^{[1
]}

Addenbrooke, TI ^{[1
]}

机构：

[1] Brown & Root, Leatherhead, Surrey, England

来源：

GEOTECHNICAL ASPECTS OF UNDERGROUND CONSTRUCTION IN SOFT GROUND | 2000年

关键词：

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A 3 metre diameter tunnel bored in London Clay passed under a cut and cover, brick arch tunnel constructed in 1863. The existing tunnel carries the Metropolitan Line railway under the heavily trafficked Euston Road and has an 8.7m span. The new tunnel was formed using a TBM, but some deformation of the surrounding soil was inevitable. Investigations and analysis showed that deformation would not prejudice the safety of the existing tunnel. Real-time instrumentation and surveys measured movements in close approximation to the predicted behaviour.

引用

页码：293 / 298

页数：6

共 8 条

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