17. Equation 3.15 was generalized by Yudhbir et al. (1983) by replacing the unity on the right side by the constant A. Permitting A to vary between 1 and 0 offers a continuous variation of rock mass quality in the criterion of failure. They propose linking A to Barton's Q (see Chapter 2) according to the relation A = 0.0176QM. (a) Find a corresponding relationship between A and RMR. (b) Based on the answer to part (a), use Equation 3.15 to express th major principal stress as a function of confining pressure for a sandstone with M = 0.65, N = 5, qu= 2.0 MPa, and RMR = 50. C

17. Equation 3.15 was generalized by Yudhbir et al. (1983) by replacing the unity on the right side by the constant A. Permitting A to vary between 1 and 0 offers a continuous variation of rock mass quality in the criterion of failure. They propose linking A to Barton's Q (see Chapter 2) according to the relation A = 0.0176QM. (a) Find a corresponding relationship between A and RMR. (b) Based on the answer to part (a), use Equation 3.15 to express th major principal stress as a function of confining pressure for a sandstone with M = 0.65, N = 5, qu= 2.0 MPa, and RMR = 50. C

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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