都市部トンネル建設時の周辺地盤変形挙動に関する遠心模型実験と数値解析(<小特集テーマ>都市における地盤工学的問題 : 都市の再生と開発)

概要

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There are many buildings on the surface of a tunnel construction site in a densely populated residential area. Ground deformation due to the tunnelling work has the adverse effect of the foundations of these structures. Accurate prediction of these deformations is important for developing suitable countermeasures. This paper describes three centrifuge model tests and its simulation by numerical analysis concerning tunnel deformation and stability. One model is 2-dimensional model, and another two models are 3-dimensional model tests. One of the models has reinforcement at digging sight. After model preparation, centrifuge gravity was increased until failure. It was confirmed that model tests and numerical simulation is useful for perdition of deformation in tunnel construction.
社団法人地盤工学会の論文
2005-10-01