A 300 mm x 400 mm column is to be supported by 489 m thick square footing @ itscenter. Service DL= 492 kN, service LL = 917 kN, CC to bar centroid is 90 mm, fc' =24.32 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be16.76% of the dead load. SBC = 180 kPat300P00₺300Note: Present the width (B) in multiples of 100 mm.400Determine the required number of 20 mm bars parallel to the critical side.

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300 mm x 400 mm column is to be supported by 489 m thick square footing @it enter. Service DL = 492 kN, service LL = 917 kN, CC to bar centroid is 90 mm, fc' 4.32 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be 5.76% of the dead load. SBC = 180 kPa P

300 mm x 400 mm column is to be supported by 489 m thick square footing @it enter. Service DL = 492 kN, service LL = 917 kN, CC to bar centroid is 90 mm, fc' 4.32 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be 5.76% of the dead load. SBC = 180 kPa P

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Mat Foundations

Section: Chapter Questions

Problem 10.2P

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Concept explainers

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

A 300 mm x 400 mm column is to be supported by 489 m thick square footing @ its
center. Service DL= 492 kN, service LL = 917 kN, CC to bar centroid is 90 mm, fc' =
24.32 MPa and fy = 414 MPa. Consider the weight of the footing and soil to be
16.76% of the dead load. SBC = 180 kPa
t
300
P
00₺
300
Note: Present the width (B) in multiples of 100 mm.
400
Determine the required number of 20 mm bars parallel to the critical side.

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