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Foundation and Retaining Wall Design 3 Decimal Places

Foundation and Retaining Wall Design 3 Decimal Places

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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Foundation and Retaining Wall Design

3 Decimal Places

2. A reinforced concrete square footing supports a 450mm square column at its center. Given the following data: Column service dead load = 910kN Column service live load = 650kN Depth of footing = 1.2m Thickness of the footing = 550m Effective depth = 450mm Allowable soil bearing pressure = 281kPa Concrete strength, fc' = 21MPa Steel yield strength, fy = 275MPa Unit weight of concrete, yc = 23.5kN/cu.m Unit weight of soil, ys = 18.5kN/cu.m a. What is the required size of footing? b. What is the factored shear at critical section for wide beam shear? c. What is the factored shear at critical section for punching shear? d. What is the factored moment at critical section moment? e. What is the ultimate punching shear strength?
Transcribed Image Text:2. A reinforced concrete square footing supports a 450mm square column at its center. Given the following data: Column service dead load = 910kN Column service live load = 650kN Depth of footing = 1.2m Thickness of the footing = 550m Effective depth = 450mm Allowable soil bearing pressure = 281kPa Concrete strength, fc' = 21MPa Steel yield strength, fy = 275MPa Unit weight of concrete, yc = 23.5kN/cu.m Unit weight of soil, ys = 18.5kN/cu.m a. What is the required size of footing? b. What is the factored shear at critical section for wide beam shear? c. What is the factored shear at critical section for punching shear? d. What is the factored moment at critical section moment? e. What is the ultimate punching shear strength?
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