Calculate/plot the radial pressure and displacement curves for a 1.85 m radius tunnel subjected to a hydrostatic stress field of 20 MPa and provided with a concrete lining of internal radius 1.70 m installed after 1 mm of convergence has occurred. - Answer: To find the ground response curve we need to identify the two end points of the line: one is the in situ condition of zero displacement at a radial stress of 20 MPa, the other is the maximum elastic displacement induced when the radial stress is zero.

Calculate/plot the radial pressure and displacement curves for a 1.85 m radius tunnel subjected to a hydrostatic stress field of 20 MPa and provided with a concrete lining of internal radius 1.70 m installed after 1 mm of convergence has occurred. - Answer: To find the ground response curve we need to identify the two end points of the line: one is the in situ condition of zero displacement at a radial stress of 20 MPa, the other is the maximum elastic displacement induced when the radial stress is zero.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

• Calculate/plot the radial pressure and displacement curves for
a 1.85 m radius tunnel subjected to a hydrostatic stress field
of 20 MPa and provided with a concrete lining of internal
radius 1.70 m installed after 1 mm of convergence has
occurred.
- Answer: To find the ground response curve we need to identify the
two end points of the line: one is the in situ condition of zero
displacement at a radial stress of 20 MPa, the other is the maximum
elastic displacement induced when the radial stress is zero.

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