道路トンネル変状予測モデルの検討と補強工法効果の評価への適用  [in Japanese] Simulation Models for Tunnel Convergence Prediction and Appraisement of Different Reinforcement Methods  [in Japanese]

The time-dependent features of soft rock and the deterioration of tunnel lining would influence tunnel convergence significantly in a long-term design of tunnel construction and maintenance. Using the classic creep model (Burgers model) and strength deterioration model, this paper discusses the mechanics of tunnel deformation in a long period by numerical simulations. Comparing with the in-site monitor data, a rational model as well its necessary parameters can be determined. Based on the proposed model, the effect of deferent reinforcement methods in the tunnel lining maintenance is discussed, and some suggestions for the tunnel lining design are also proposed in this paper.

The time-dependent features of soft rock and the deterioration of tunnel lining would influence tunnel convergence significantly in a long-term design of tunnel construction and maintenance. Using the classic creep model (Burgers model) and strength deterioration model, this paper discusses the mechanics of tunnel deformation in a long period by numerical simulations. Comparing with the in-site monitor data, a rational model as well its necessary parameters can be determined. Based on the proposed model, the effect of deferent reinforcement methods in the tunnel lining maintenance is discussed, and some suggestions for the tunnel lining design are also proposed in this paper.