同济大学学报（自然科学版）2013，Vol.41Issue(8)：1185-1190,1212,7.DOI:10.3969/j.issn.0253-374x.2013.08.011
软土盾构隧道渗流引起的地层和隧道沉降
Leakage-induced Settlement of Ground and Shield Tunnel in Soft Clay
摘要
Abstract
An analytical solution is proposed based on the conformal mapping of the complex variable methods to study the distribution of pore pressure around the tunnel.The tunnel lining is taken into account in the analytical solution.The accuracy of the analytical solution is verified by the numerical solutions.The leakage-induced behavior of Shanghai shield tunnel is studied by using the proposed analytical solution.The results indicate that the relative permeability between soil and lining is essential for water inflow.The water inflow into the tunnel increases with the decrease of the relative permeability of soil and tunnel lining.The settlements of tunnel and ground increase linearly with the increase of water inflow.Therefore,the leakage of the shield tunnel should be monitored carefully and the corresponding waterproof measures should be adopted for operation tunnel to control the tunnel deformation and ground settlement.关键词
盾构隧道/渗流/孔压/长期沉降Key words
shield tunnel/ leakage/ pore pressure/ long-term settlement分类
建筑与水利引用本文复制引用
张冬梅,刘印,黄宏伟..软土盾构隧道渗流引起的地层和隧道沉降[J].同济大学学报（自然科学版）,2013,41(8):1185-1190,1212,7.基金项目
国家自然科学基金(51278379) （51278379）
国家"九七三"重点基础研究发展计划(2011CB013800) （2011CB013800）
上海市自然科学基金(12ZR1433600) （12ZR1433600）
长江学者和创新团队发展计划(IRT1029) （IRT1029）
