Three columns are 2.5m and 2.8m away from each other. The loads supported by each column are listed below. The net allowable soil bearing capacity is 130 kPa. Design a combined footing that will support the three columns. Use f'c=35 MPa and fy-280 MPa. Left Column (0.2m by 0.2m) Center Column (0.5m by 0.5m) Right Column (0.2m by 0.2m) DL = 300 KN DL = 350 kN DL = 350 kN LL = 250 kN LL = 400 kN LL = 450 kN Note that the left column is flushed to the property line. Use db=20mm Calculate the following: a. Dimension of the combined footing, BxL meters b. Required thickness of the footing based on One Way Shear, mm c. Required thickness of the footing based on Two Way Shear, mm d. Number of top bars parallel to long side e. Number of bottom bars parallel to long side

Three columns are 2.5m and 2.8m away from each other. The loads supported by each column are listed below. The net allowable soil bearing capacity is 130 kPa. Design a combined footing that will support the three columns. Use f'c=35 MPa and fy-280 MPa. Left Column (0.2m by 0.2m) Center Column (0.5m by 0.5m) Right Column (0.2m by 0.2m) DL = 300 KN DL = 350 kN DL = 350 kN LL = 250 kN LL = 400 kN LL = 450 kN Note that the left column is flushed to the property line. Use db=20mm Calculate the following: a. Dimension of the combined footing, BxL meters b. Required thickness of the footing based on One Way Shear, mm c. Required thickness of the footing based on Two Way Shear, mm d. Number of top bars parallel to long side e. Number of bottom bars parallel to long side

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter16: Shallow Foundations-bearing Capacity

Section: Chapter Questions

Problem 16.3P: Determine the maximum column load that can be applied on a 1.5 m 1.5 m square foundation, placed at...

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