EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
9th Edition
ISBN: 8220103611718
Author: SOBHAN
Publisher: CENGAGE L
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Chapter 13, Problem 13.26P

(a)

To determine

Find the active earth force Pa on the wall and the location z¯ and direction of the resultant.

(b)

To determine

Find the active earth force Pa on the wall and the location z¯ and direction of the resultant.

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13.22 Consider the retaining wall shown in Figure 13.38. The height of the wall is 9.75m. and the unit weight of the sand backfill is 18.7kN/m3. Using Coulomb's equation, calculate the active force, Pa, on the wall for the following values of the angle of wall friction. Also, comment on the direction and location of the resultant.
Refer to the Coulumb Active Earth Pressure. Given alpha = 10 degree; Beta=85 degrees;H - 4m;unit weight of soil = 15 kN/m^3; soil friction angle = 30 degree; and sigma=15 degrees. Estimate the active force, Pa, per unit length of the wall. Also, state the direction and location of the resultant force, Pa.
Find the shear flow distribution in the rectangular thin-walled section shown. Hence, find the magnitude and location of the maximum shearing stress. All wall thickness = 0.1 inch. 1000 lb y z (1 6" 3" 12"
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