Finite Element Analysis and Field Instrumentation of a Soil/Cement Arch

by James G. Collin, Woodward-Clyde Consultants, Gaithersburg, United States,
Barry R. Christopher, Woodward-Clyde Consultants, Gaithersburg, United States,

Document Type: Proceeding Paper

Part of: Geotechnical Engineering Congress?1991


A two dimensional plane strain finite element analysis is used to predict the increase in stress on an existing tunnel caused by the addition of twelve feet of fill. The fill, soil/cement, was placed in the shape of an arch over the existing tunnel. An instrumentation monitoring program was initiated to evaluate the potential stress increase on the tunnel roof and side walls to confirm the analysis.

Subject Headings: Finite element method | Stress analysis | Soil analysis | Soil cement | Two-dimensional analysis | Tunnels | Soil stress

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