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Field Instrumentation in Tunnelling as a Practical Design Aid

Abstract:

Field measurements can give information on the global material properties of the rock, the safety of the structure in a particular phase of construction and the effectiveness of particular support measures. Often measurements form the link between theory and engineering practice, in that the observed behavior can be interpreted with the aid of computations. Using the example of a tunnel in swelling rock it is shown how a structural solution can be based on measurements. The observed behavior of a prestressed concrete lining for a pressure tunnel is also described.

Authors:

Kovári, Kalman and Amstad, Christian

Index Terms:

Displacement measurements; design; tunneling; underground openings; rock; TunnelingGroup

Further Information:

Date published: 1979