波动推力引起的超孔压对开挖面稳定性的影响分析

doi:10.13722/j.cnki.jrme.2014.0883

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Abstract In shield tunnlling there are many factors can affect the stability of the thrust force such as the changes of geology conditions，soil cutting by the cutter head，and the regular stop of the shield for segment assembly. The excess pore water pressure caused by the fluctuations force can be accumulated so large that the stability of the tunnel face could be affected. The layered soil analysis model was established at first and the calculation method of the excess pore water pressure near tunnel face was obtained by combining the Terzaghis one-dimensional consolidation theory. Then the calculation method of the effect of the excess pore water pressure on the tunnel face stability was given out using the wedge analysis model. From the calculation result it can be concluded that the safety factor of tunnel face can be reduced by the excess pore water pressure. So the effect of the fluctuations thrust force should be considered in the calculation of the minimum support face pressure. At last the excess pore water pressure and the decreasing coefficient of safety factor with different construction conditions were given out through parameter analysis.

Key words： tunnelling engineering tunnel face thrust fluctuation change pore water disturbance face stability coupled mechanical and hydraulic

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	Articles by authors
	SONG Jinhu1
	CHEN Kunfu2
	MA Yuan3
	AN Libin1

Cite this article:

SONG Jinhu1,CHEN Kunfu2,MA Yuan3, et al. Effect analysis of excess pore water pressure on face stability caused by thrust undulation[J]. , 2016, 35(S1): 3353-3364.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2014.0883 OR https://rockmech.whrsm.ac.cn/EN/Y2016/V35/IS1/3353

[1]	BROMS B B，BENNERMARK H. Stability of clay at vertical openings[J]. Journal of the Soil Mechanics and Foundations Division，ASCE，1967，96(1)：71-94.
[2]	ANAGNOSTOU G，KOVARI K. The face stability of slurry-shield-driventunnels[J]. Tunneling and Underground Space Technology，1994，9(2)：165-174.
[3]	JANCSECZ S，STEINER W. Face support for a large mix-shield in heterogeneous ground conditions[C]// Proceedings of the Symposium Tunnelling 94. [S.l.]：[s.n.]，1994：531-550.
[4]	朱伟，秦建设，卢廷浩. 砂土中盾构开挖面变形与破坏数值模拟研究[J]. 岩土工程学报，2005，27(8)：897-902.(ZHU Wei，QIN Jianshe，LU Tinghao. Numerical study on face movement and collapse around shield tunnels in sand[J]. Chinese Journal of Geotechnical Engineering，2005，27(8)：897-902.(in Chinese))
[5]	MAYNAR M，RODRÍGUEZ L. Discrete numerical model for analysis of earth pressure balance tunnel excavation[J]. Journal of Geotechnical and Geoenvironmental Engineering，2005，131(10)：1234-1242.
[6]	周文波. 盾构法隧道施工技术及应用[M]. 北京：中国建筑工业出版社，2004：76-78.(ZHOU Wenbo. Shield tunnel construction technology and its application[M]. Beijing：China Architecture and Building Press，2004：76-78.(in Chinese))
[7]	肖立，张庆贺，朱继文. 盾构施工引起的超孔隙水压力解析解[J]. 同济大学学报，2011，39(2)：194-198.(XIAO Li，ZHANG Qinghe，ZHU Jiwen. Analytical solution of excess pore water pressure caused by shield tunneling[J]. Journal of Tongji University，2011，39(2)：194-198.(in Chinese))
[8]	CHEN R P，ZHU J，LIU W. Ground movement induced by parallel EPB tunnels in silty soils[J]. Tunnelling and Underground Space Technology，2011，26(1)：163-171.
[9]	MROUEH H，SHAHROUR I. A simplified 3D model for tunnel construction using tunnel boring machines[J]. Tunnelling and Underground Space Technology，2008，23(1)：38-45.
[10]	KASPER T，MESCHKE G. On the influence of face pressure，grouting pressure and TBM design in soft ground tunnelling[J]. Tunnelling and Underground Space Technology，2006，21(1)：160-171.
[11]	宋锦虎，缪林昌，戴仕敏，等. 盾构施工对孔压扰动的三维流固耦合分析[J]. 岩土工程学报，2013，35(3)：302-312.(SONG Jinhu，MIAO Linchang，DAI Shimin，et al. 3D coupled mechanical and hydraulic analysis of pore water pressure disturbed by shield tunnelling[J]. Chinese Journal of Geotechnical Engineering，2013，35(3)：302-312.(in Chinese))
[12]	秦建设. 盾构施工开挖面变形与破坏机理研究[博士学位论文][D]. 南京：河海大学，2005.(QINJianshe. Study on face deformation and collapse of earth pressure shield tunnel[Ph. D. Thesis][D]. Nanjing：Hohai University，2005.(in Chinese))
[13]	MOLLON G ，PHOON K K，DIAS D. Validation of a new 2D failure mechanism for the stability analysis of a pressurized tunnel face in a spatially varying sand[J]. Journal of Engineering Mechanics，2011，137(1)：8-21.
[14]	乔金丽. 盾构隧道开挖面的稳定性分析[博士学位论文][D]. 天津：天津大学，2008.(QIAO Jinli. Analysis of shield tunnel face stability[Ph. D. Thesis][D]. Tianjin：Tianjin University，2008.(in Chinese))
[15]	EBERHARDT E. Numerical modelling of three-dimension stress rotation ahead of an advancing tunnel face[J]. International Journal of Rock Mechanics and Mining Sciences，2001，38(4)：499-518.
[16]	ARJNOI P，JEONG J H，KIM C Y. Effect of drainage conditions on porewater pressure distributions and lining stresses in drained tunnels[J]. Tunnelling and Underground Space Technology，2009，24(4)：376-389.
[17]	钱家欢，殷宗泽. 土工原理与计算[M].北京：中国水利水电出版社，1996：160-163.(QIAN Jiahuan，YIN Zongze. Geotechnical principle and calculation[M]. Beijing：China Water Power Press，1996：160-163.(in Chinese))
[18]	STEHFEST H. Remark on algorithm 368 numerical inversion of Laplace transforms[J]. Communications of Association for Computing Machinery，1970，13(10)：624-625.
[19]	BROERE W. Influence of excess pore pressures on the stability of the tunnel face[C]// Geotechnical Aspects of Underground Construction in Soft Ground. Toulouse，France：[s.n.]，2002：179-184.
[20]	BROERE W. Face stability calculation for a slurry shield in heterogeneous soft soils[C]// Tunnels and Metropolises. Sao Paolo，Brazil：[s.n.]，1998：215-218.
[21]	ANAGNOSTOU G.，KOVÁRI K. Face Stability conditions with earth pressure balanced shields[J]. Tunnelling and Underground Space Technology，1996，11(2)：165-173.
[22]	ANAGNOSTOU G. The effect of tunnel advance rate on the surface settlements[C]// Proceedings of the 12th International Conference of International Association for Computer Methods and Advances in Geomechanics(IACMAG). Goa，India：[s.n.]，2008：75-82.
[23]	ABU-FARSAKH M Y，VOYIADJIS G Z. Computational model for the simulation of the shield tunneling process in cohesive soils[J]. International Journal for Numerical and Analytical Methods in Geomechanics，1999，23：23-44.