Experimental study for joint leakage process of tunnel lining and particle flow numerical simulation

Zhiguo Zhang,Mindong Mao,Yutao Pan,Mengxi Zhang,Shaokun Ma, Zhixiang Cheng,Zhongteng Wu

Engineering Failure Analysis（2022）

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摘要

•Propose the experimental and particle flow numerical models for tunnel leakage.•Predict the settlement of sand layer and laws of water and sand loss.•Explore the distribution of seepage fields by the design of a seepage tracer device.•Discuss the migration and soil arching effect of sand particles from the fine scale.•Conduct the parametric analyses for different influencing factors of tunnel leakage.

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关键词

Tunnel leakage,Water and sand loss,Seepage tracer,Model test,Particle flow simulation

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