Experimental investigation on pipe-soil interaction due to ground subsidence via high-resolution fiber optic sensing
Tunnelling and Underground Space Technology(2022)
摘要
•Pipe-soil interaction due to ground subsidence was experimentally investigated.•Fiber optic strain sensing technique was used for pipe-soil deformation monitoring.•A solution for earth pressure was given accounting for 3D soil arching effects.•An analytical model linking strain measurements to ground movements was proposed.
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关键词
Buried pipeline,Ground subsidence,Pipe-soil interaction,Distributed strain sensing,Three-dimensional soil arching,Interfacial shear stress
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