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A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight) . Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? O 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm

A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight) . Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? O 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm

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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A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight). Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm
Transcribed Image Text:A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight). Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm
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