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Tunnel Closure Prediction by Finite Element Method

by R. S. Sinha, US Dep of the Interior, Denver, CO, USA,
K. K. Adhya, US Dep of the Interior, Denver, CO, USA,
J. D. Narvaiz, US Dep of the Interior, Denver, CO, USA,
S. Wiest, US Dep of the Interior, Denver, CO, USA,



Document Type: Proceeding Paper

Part of: Electronic Computation

Abstract:

Discussed is the tunnel closure prediction of a drainage tunnel using finite element methods. Separately, three finite element programs were used to predict the closure. The results of the prediction analysis were compared with those of actual closure measurements. There were significant differences between the measured and predicted values. The possible reasons for the differences are enumerated in this article.

Subject Headings: Finite element method | Tunnels | Rock mechanics | Tunneling | Structural analysis | Rockfill dams | Parameters (statistics)

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