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7) A circular horizontal N_S tunnel of 2 m radius will be constructed at a depth of 560 m below surface as shown in Figure 1. The vertical stress gradient is found to be 0.025 MPa/m. The horizontal stresses in the north and east directions are ON = 13 MPa and OE =14 MPA Estimate the radial and tangential stresses for = 0° and Ⓒ = 90° from the east axis. 560 m N

7) A circular horizontal N_S tunnel of 2 m radius will be constructed at a depth of 560 m below surface as shown in Figure 1. The vertical stress gradient is found to be 0.025 MPa/m. The horizontal stresses in the north and east directions are ON = 13 MPa and OE =14 MPA Estimate the radial and tangential stresses for = 0° and Ⓒ = 90° from the east axis. 560 m N

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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7) A circular horizontal N_S tunnel of 2 m radius will be constructed at a depth of 560 m below surface as shown in Figure 1. The vertical stress gradient is found to be 0.025 MPa/m. The horizontal stresses in the north and east directions are on = 13 MPa and ge =14 MPA Estimate the radial and tangential stresses for = 0° and = 90° from the east axis. 560 m N
Transcribed Image Text:7) A circular horizontal N_S tunnel of 2 m radius will be constructed at a depth of 560 m below surface as shown in Figure 1. The vertical stress gradient is found to be 0.025 MPa/m. The horizontal stresses in the north and east directions are on = 13 MPa and ge =14 MPA Estimate the radial and tangential stresses for = 0° and = 90° from the east axis. 560 m N
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