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II. Using the approximate rules presented in this section, estimate the sizes of the parts of the retaining wall whose height is 20 ft and the assumed top thickness is 12 inches. The soil weighs 98 lb/ft3 and a surcharge of 294 psf is present. The weight of concrete is 145 lb/ft³ Assume Ka=0.30 find its safety factors if fc' = 3000 psi, fy =60,000 psi, a = 4000 psi And the coefficient of sliding friction equals 0.50 for concrete on soil. Use p approximately equals 0.18 fc'/fy to maintain reasonable deflection control

II. Using the approximate rules presented in this section, estimate the sizes of the parts of the retaining wall whose height is 20 ft and the assumed top thickness is 12 inches. The soil weighs 98 lb/ft3 and a surcharge of 294 psf is present. The weight of concrete is 145 lb/ft³ Assume Ka=0.30 find its safety factors if fc' = 3000 psi, fy =60,000 psi, a = 4000 psi And the coefficient of sliding friction equals 0.50 for concrete on soil. Use p approximately equals 0.18 fc'/fy to maintain reasonable deflection control

Structural Analysis
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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II. Using the approximate rules presented in this section, estimate the sizes of the parts of the retaining wall whose height is 20 ft and the assumed top thickness is 12 inches. The soil weighs 98 lb/ft3 and a surcharge of 294 psf is present. The weight of concrete is 145 lb/ft³ Assume Ka=0.30 find its safety factors if fc' = 3000 psi, fy =60,000 psi, 4000 psi = qa And the coefficient of sliding friction equals 0.50 for concrete on soil. Use p approximately equals 0.18 fc'/fy to maintain reasonable deflection control
Transcribed Image Text:II. Using the approximate rules presented in this section, estimate the sizes of the parts of the retaining wall whose height is 20 ft and the assumed top thickness is 12 inches. The soil weighs 98 lb/ft3 and a surcharge of 294 psf is present. The weight of concrete is 145 lb/ft³ Assume Ka=0.30 find its safety factors if fc' = 3000 psi, fy =60,000 psi, 4000 psi = qa And the coefficient of sliding friction equals 0.50 for concrete on soil. Use p approximately equals 0.18 fc'/fy to maintain reasonable deflection control
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