Effects of cover depth on ground movements induced by shallow tunnelling

Vu Minh, Ngan; Broere, Wout; Bosch, Johannes G.

Effects of cover depth on ground movements induced by shallow tunnelling

Conference paper (2016)

Authors

Ngan Vu Minh

Wout Broere

Johannes G. Bosch

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Published Date

2016

Language

English

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Abstract

Assessing the impact of underground construction on existing
structures in urban areas is an important topic during design. In this paper, the extent of the effect area due to tunnelling is estimated, where existing foundations are influenced based on the investigation of surface and subsurface settlements. The extent of the areas where building deformations exceed allowable settlements is presented, which will provide a preliminary assessment
during design on the risk on existing structures, based on allowable settlement umax and slope of building max. A more accurate impact area of shield tunnelling on nearby pile foundations is proposed.

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