Rational permeability coefficient of a permeable lining for composite tunnel lining structures
Rational permeability coefficient of a permeable lining for composite tunnel lining structures作者机构：College of Water Resources and Architectural EngineeringNorthwest A&F University
出 版 物：《岩石力学与工程学报》 (Chinese Journal of Rock Mechanics and Engineering)
年 卷 期：2017年第36卷第8期
页 面：1930-1938页
核心收录：
学科分类：081406[工学-桥梁与隧道工程] 0709[理学-地质学] 0819[工学-矿业工程] 08[工学] 0818[工学-地质资源与地质工程] 0708[理学-地球物理学] 0815[工学-水利工程] 0816[工学-测绘科学与技术] 0813[工学-建筑学] 0814[工学-土木工程] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程]
主 题：《岩石力学与工程学报》 期刊 编辑工作 工程
摘 要：Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining *** analytical expressions for the seepage field,stress,and displacement in the surrounding rock and those for the grouting circle,permeable lining,and ordinary lining are obtained according to the principle of effective *** seepage discharge,plastic zone,stress,and displacement around a tunnel affected by the different permeability coefficient ratios between the permeable lining and surrounding rock are *** reasonable value of permeability coefficient for the permeable lining are *** results show that the grouting circle controls the tunnel seepage discharge well and has a reasonable permeability coefficient and an optimal *** grouting circle controls the plastic zone development in the surrounding rock,i.e.,the thicker the grouting circle,the smaller the plastic zone in the surrounding *** tunnel seepage discharge and the effective stress in the grouting circle and lining increase gradually with the increasing of permeability coefficient ratio and tend to be stable after the ratio reaches *** analysis on the factors such as the stability of tunnel seepage discharge,the plastic zone of the surrounding rock and the stress around the tunnel indicates that it is relatively reasonable for the permeability coefficient ratio to be greater than or equal to 0.1.
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