›› 2006, Vol. 27 ›› Issue (S1): 156-160.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study of numerical model for large tunnel during construction process in water filling jointed rock mass

CHU Wei-jiang，XU Wei-ya，SU Jing-bo，REN Qiang，SHI Chong   

  1. Institute of Geotechnical Engineering，Hohai University，Nanjing 210098，China
  • Received:2006-05-25 Published:2006-12-15

PDF (PC)

56

Abstract: Coupled hydromechanical model of unsaturated media is used to analyze the diversion tunnel #2 excavation located at the Nuozaidu Hydropower Station in China; part of tunnel site in jointed rock mass zone and water pressure around the tunnel is high. The effects of high water pressure and jointed rock mass zone during tunneling are discussed in detail. The jointed rock mass zone contains two sets of high density of parallel joints, which could be simulated by anisotropic joint constitutive model. Excavation-induced permeability changes and draining-induced saturation and permeability changes are taken into consideration. The transient coupled hydromechanical model could simulate a rapid local pressure increase, effective stress decrease, permeability changes and stability improves on excavation disturbed zone (EDZ) around tunnel during construction. Results from numerical model matches some similar foreign general experiment conclusion; and the model could be used to assess rationality and economical efficiency of tunnel construction under high water pressure condition.

Key words: coupled hydromechanical analysis, fracture rock mass, tunneling, constitutive model for jointed rock mass, excavation disturbed zone (EDZ)

CLC Number: 

  • U 45
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
[1] MO Zhen-ze, WANG Meng-shu, LI Hai-bo, QIAN Yong-jin, LUO Gen-dong, WANG Hui, . Laboratory investigation on pore water pressure variation caused by filter cake effect during slurry-EPB shield tunneling in silty sand layer [J]. Rock and Soil Mechanics, 2019, 40(6): 2257-2263.
[2] KANG Yan-fei, CHEN Jie, JIANG De-yi, LIU Wei, FAN Jin-yang, WU Fei, JIANG Chang-qi, . Damage self-healing property of salt rock after brine immersion under different temperatures [J]. Rock and Soil Mechanics, 2019, 40(2): 601-609.
[3] LI Hai-li, ZHANG Chen-rong, LU Kai,. Nonlinear analysis of response of buried pipelines induced by tunneling [J]. , 2018, 39(S1): 289-296.
[4] WU Shun-chuan, HAN Wei, CHEN Fan, XU Miao-fei, CONG Zi-jie，. Optimisation of buffer layer thickness in gypsum rock tunnel based on swelling constitutive model [J]. , 2018, 39(4): 1182-1191.
[5] HUANG Xiao-kang, LU Kun-lin, ZHU Da-yong,. Simulation test study of deformations of pipelines located at different geometric positions arising from shield tunneling [J]. , 2017, 38(S1): 123-130.
[6] ZHANG Xiao-qing, ZHANG Meng-xi, LI Lin, LI Wu-xiang, WANG You-cheng,. Mechanism of approaching construction disturbance caused by multi-line overlapped shield tunnelling [J]. , 2017, 38(4): 1133-1140.
[7] LIU Zhen-ping, LIU Jian, HE Yu-wei, HE Huai-jian, BIAN Kang，. Seamless coupling of 3D GIS techniques with FEM and its application to tunneling engineering [J]. , 2017, 38(3): 866-874.
[8] SUN Xiao-hao, MIAO Lin-chang, LIN Hai-shan. Arching effect of soil ahead of working face in shield tunnel in sand with various depths [J]. , 2017, 38(10): 2980-2988.
[9] ZHU Cai-hui, LI Ning. Estimation method and laws analysis of surface settlement due to tunneling [J]. , 2016, 37(S2): 533-542.
[10] ZHANG Qiong-fang, XIA Tang-dai, DING Zhi, HUANG Xiao-bin, LIN Cun-gang，. Effect of nearby undercrossing tunneling on the deformation of existing metro tunnel and construction control [J]. , 2016, 37(12): 3561-3568.
[11] ZHANG Si-yuan, ZHANG Yu-jun. 3D finite element analyses for anisotropy of deformation and strength of a cave in a dual-pore-fracture rock masses [J]. , 2016, 37(12): 3583-3590.
[12] CHEN Ren-peng , YIN Xin-sheng , TANG Lü-jun , CHEN Yun-min , . Centrifugal model tests of tunneling face failure under seepage flow [J]. , 2015, 36(S1): 225-229.
[13] JIN Jun-wei , YANG Min , DENG You-sheng , LIU Chen-hui , . Simplified calculating method for evaluating effect of tunneling in sands on axial force of nearby piles [J]. , 2015, 36(S1): 241-246.
[14] ZHANG De-hua ，LIU Shi-hai ，REN Shao-qiang,. Experimental study of effects of strength increase and hardening rate of shotcrete on its early supporting performances in tunneling [J]. , 2015, 36(6): 1707-1713.
[15] SHA Peng , WU Fa-quan , LI Xiang , LIANG Ning , CHANG Jin-yuan，. Squeezing deformation in layered surrounding rock and force characteristics of support system of a tunnel under high in-situ stress [J]. , 2015, 36(5): 1407-1414.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] JIANG Ling-fa, CHEN Shan-xiong, YU Zhong-jiu. Scattering around a liner of arbitrary shape in saturated soil under dilatational waves[J]. , 2009, 30(10): 3063 -3070 .
[2] YAO Yang-ping，FENG Xing，HUANG Xiang，LI Chun-liang. Application of UH model to finite element analysis[J]. , 2010, 31(1): 237 -245 .
[3] DENG Qin，GUO Ming-wei，LI Chun-guang，GE Xiu-run. Vector sum method for slope stability analysis based on boundary element method[J]. , 2010, 31(6): 1971 -1976 .
[4] WAN Shao-shi, NIAN Ting-kai, JIANG Jing-cai, LUAN Mao-tian. Discussion on several issues in slope stability analysis based on shear strength reduction finite element methods (SSR-FEM)[J]. , 2010, 31(7): 2283 -2288 .
[5] YAN Tie, LI Wei, BI Xue-liang. Research on effective stress model in porous media based on fractal method[J]. , 2010, 31(8): 2625 -2629 .
[6] LIU Jia, WANG Dong. Tension resistance and suction of plate anchor foundation in normally consolidated clay[J]. , 2009, 30(3): 735 -740 .
[7] XU Wei-sheng, CHAI Jun-rui, CHEN Xing-zhou, SUN Xu-shu. Study of nonlinear noncubic seepage in netwok rock and its application[J]. , 2009, 30(S1): 53 -57 .
[8] ZHAO Shang-yi, ZHENG Ying-ren, LI An-hong, QIU Wen-ping, TANG Xiao-song. Application of multi-row embedded anti-slide piles to landslide of Wulong county government[J]. , 2009, 30(S1): 160 -164 .
[9] CHEN Bao-guo , SUN Jin-shan , ZHANG Lei. Study of stressing state and ground treatment of reinforced concrete arch culvert[J]. , 2011, 32(5): 1500 -1506 .
[10] WEI Hou-zhen, YAN Rong-tao, WEI Chang-fu, WU Er-lin, CHEN Pan, TIAN Hui-hui. Summary of researches for phase-equilibrium of natural gas hydrates in bearing sediments[J]. , 2011, 32(8): 2287 -2294 .
Copyright © Rock and Soil Mechanics, All Rights Reserved.
Tel: 027-87198484, 87199252, 87199253, 87198752　E-mail: ytlx@whrsm.ac.cn
Powered by Beijing Magtech Co. Ltd