At a point on the free surface of a stressed body, a normal stress magnitude of S, = 69 MPa (C) and an unknown positive shear stressexist on a horizontal plane. One principal stress at the point is 9 MPa (C). The absolute maximum shear stress at the point has amagnitude of 99 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown principal stress at thepoint.S,SyS

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he free surface of a stressed body, a normal stress magnitude of Sy - 69 MPa (C) a zontal plane. One principal stress at the point is 9 MPa (C). The absolute maximur 99 MPa. Determine the unknown stresses on the horizontal and vertical planes ar S, Sy Sx

he free surface of a stressed body, a normal stress magnitude of Sy - 69 MPa (C) a zontal plane. One principal stress at the point is 9 MPa (C). The absolute maximur 99 MPa. Determine the unknown stresses on the horizontal and vertical planes ar S, Sy Sx

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter10: Stresses In A Soil Mass

Section: Chapter Questions

Problem 10.1CTP: EB and FG are two planes inside a soil element ABCD as shown in Figure 10.50. Stress conditions on...

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Pressure and Stress

Question

At a point on the free surface of a stressed body, a normal stress magnitude of S, = 69 MPa (C) and an unknown positive shear stress
exist on a horizontal plane. One principal stress at the point is 9 MPa (C). The absolute maximum shear stress at the point has a
magnitude of 99 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown principal stress at the
point.
S,
Sy
S

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