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《Journal of Liaoning Technical University》 2007-01
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Analysis of stability about excavation and support of super-span road tunnel

WAN Ming-fu1,HAO Zhe2,LIU Jian-ping1,LIU bin1(1.College of Resource and Civil Engineering,Northeastern University,Shenyang 110004,China;2.College of Architectural Engineering,Shenyang University,Shenyang 110044,China)  
According to the project of Hanjialing tunnel with four lanes in the expressway rebuilt from Shenyang to Dalian,the mechanics action is discussed about the constriction phases by numerical analysis to estimate the security and stability of the rock,support and lining.The numerical analysis result was compared with that of model test and measure result to prove the correction of the numerical analysis,at the same time,the rationality of support parameters and feasibility of excavation were decided.It is proved that the support parameters and excavation method are feasible.It can be referred for the same tunnels in the future.
【Fund】: 交通部重点科技攻关资助项目(2002-3533207)
【CateGory Index】: U459.2
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