单圆和异形盾构隧道施工引起土体位移计算的类随机介质理论方法

doi:10.13722/j.cnki.jrme.2017.1005

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Abstract

The continuous development of urban construction leads to less and less available underground space and promotes the rapid development of the novel tunneling technologies，such as special-section shield tunneling. It has become an important issue to study the corresponding method of predicting soil displacement induced by tunneling. The analogous stochastic medium theory method(ASMTM) has been presented through introducing the idea of the stochastic medium theory method(SMTM) to Loganathan¢s solution，and the general formula of ASMTM has been derived. Taking the single circular tunneling and the double-O-tube(DOT) shield tunneling as examples，their expressions to predict soil displacement induced by tunneling have been given first，the ASMTM then has been verified and applied in some cases，comparing with the SMTM，Loganathan¢s solution and the observed values. The results show that the single circular tunneling-induced soil displacements predicted by the ASMTM are closer to the observed values than those resulted from the SMTM and Loganathan’s solution. For the DOT shield tunneling，the predicted soil displacements from the ASMTM are in good agreement with the observed values，and the soils above the left and right tunnels have the maximum displacement. The presented ASMTM can be used to prediction soil displacement induced by arbitrary shaped-section tunneling and has an extent area to use，with a sufficient reliability. This study provides an important theoretical basis for prediction soil displacements induced by special-section tunnel construction.

Key words： tunneling engineering analogous stochastic medium theory method(ASMTM) double-O-tube(DOT) shield soil displacement ground loss

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	Articles by authors
	ZENG Bin1
	2
	HUANG Da3
	PENG Nian1
	CHEN Fuyong2

Cite this article:

ZENG Bin1,2,HUANG Da3, et al. Analogous stochastic medium theory method(ASMTM) for predicting soil displacement induced by general and special-section shield tunnel construction[J]. , 2018, 37(S2): 4356-4366.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2017.1005 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS2/4356

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