A 300 mm x 400 mm column is to be supported by 419 m thick square footing @ its center. Service DL = 620 kN, service LL = 538 kN, CC to bar centroid is 90 mm, fc' 22 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be 14.84% %3D %3D of the dead load. SBC = 212 kPa

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.22P: A flexible circular footing of radius R carries a uniform pressure q. Find the depth (in terms of R)...
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A 300 mm x 400 mm column is to be supported by 419 m thick square footing @its
center. Service DL = 620 kN, service LL = 538 kN, CC to bar centroid is 90 mm, fc'
22 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be 14.84%
of the dead load. SBC = 212 kPa
300
400
300
Determine the critical ultimate punching shear stress in MPa
Note: Present the width (B) in multiples of 100 mm.
Transcribed Image Text:A 300 mm x 400 mm column is to be supported by 419 m thick square footing @its center. Service DL = 620 kN, service LL = 538 kN, CC to bar centroid is 90 mm, fc' 22 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be 14.84% of the dead load. SBC = 212 kPa 300 400 300 Determine the critical ultimate punching shear stress in MPa Note: Present the width (B) in multiples of 100 mm.
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