Study of Geological Sensitivity and Structural Adaptability of Interchange Tunnel

doi:10.3973/j.issn.1672-741X.2016.08.002

Tunnel Construction ›› 2016, Vol. 36 ›› Issue (8): 897-905.DOI: 10.3973/j.issn.1672-741X.2016.08.002

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Study of Geological Sensitivity and Structural Adaptability of Interchange Tunnel

JIANG Shuping¹, XIE Feng², WANG Xingxing¹, QIN Feng¹, QIN Zhifu¹

(1. China Merchants Chongqing Communications Technology Research and Design Institute Co., Ltd., Chongqing 400067, China; 2. Chongqing Jiaotong University, Chongqing 400074, China)

Received:2016-03-28 Revised:2016-05-11 Online:2016-08-20 Published:2016-08-17

Abstract

Abstract:

The interchange tunnels, tunnels crossing underneath existing tunnels, are studied by geological sensitivity method. The sensitivity values and related soil layer thicknesses in different geological sensitivity sections of interchange tunnels under different cover depths and geological conditions are calculated by numerical simulation. The structural adaptability of interchange tunnel is obtained. The study results coincide with the actual conditions. The structural adaptability countermeasures decided are rational and effective.

Key words: interchange tunnel, underneath crossing, geological sensitivity, rational soil layer thickness, structural adaptability

CLC Number:

U 455

JIANG Shuping, XIE Feng, WANG Xingxing, QIN Feng, QIN Zhifu. Study of Geological Sensitivity and Structural Adaptability of Interchange Tunnel[J]. Tunnel Construction, 2016, 36(8): 897-905.

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Study of Geological Sensitivity and Structural Adaptability of Interchange Tunnel

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