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s answer 4 to 5

s answer 4 to 5

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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pls answer 4 to 5

A 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.94 kN/m. The base of the wall footing slab is 1.2 m from the ground surface. Design parameters are as follows: Ysoil = 16 kN/m³, yconcl = 24 kN/m3, qa = 215.46 kPa, f'. = 27 MPa and fy = 420 MPa. %3D 1. Calculate the net allowable bearing capacity of soil in kPa. А. 192.17 В. 189.06 С. 117.32 D. 176.26 2. Calculate the minimum required width of the wall footing slab. A. 1.9 m В. 2.0 m С. 1.8 m D. 1.7 m Calculate the maximum ultimate moment (kN-m) in the slab if the width of the footing slab is 2.1 m. А. 82.64 В. 94.63 С. 128.80 D. 111.32 4. Calculate the required center to center spacing of 16 mm bars for flexure if the maximum factored moment in the slab is 75 kN-m. А. 150 mm В. 180 mm С. 210 mm D. NOTA Calculate the ultimate beam shear stress on the footing slab if the footing slab is 2.1 m wide. A. 1.25 MPa В. 0.74 MPa С. 0.87 MPa D. 0.96 MPa 3. 5.
Transcribed Image Text:A 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.94 kN/m. The base of the wall footing slab is 1.2 m from the ground surface. Design parameters are as follows: Ysoil = 16 kN/m³, yconcl = 24 kN/m3, qa = 215.46 kPa, f'. = 27 MPa and fy = 420 MPa. %3D 1. Calculate the net allowable bearing capacity of soil in kPa. А. 192.17 В. 189.06 С. 117.32 D. 176.26 2. Calculate the minimum required width of the wall footing slab. A. 1.9 m В. 2.0 m С. 1.8 m D. 1.7 m Calculate the maximum ultimate moment (kN-m) in the slab if the width of the footing slab is 2.1 m. А. 82.64 В. 94.63 С. 128.80 D. 111.32 4. Calculate the required center to center spacing of 16 mm bars for flexure if the maximum factored moment in the slab is 75 kN-m. А. 150 mm В. 180 mm С. 210 mm D. NOTA Calculate the ultimate beam shear stress on the footing slab if the footing slab is 2.1 m wide. A. 1.25 MPa В. 0.74 MPa С. 0.87 MPa D. 0.96 MPa 3. 5.
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