Design the reinforcement of a rectangular beam to resist a dead load moment of 200kN.m (including its own weight) and a live load moment of 300kN.m. The beam is limited in size to 350mm by 600mm overall depth. Steel covering from centroid of bars to outermost fiber is 100mm for both tension and compression reinforcement. Use fc'=27.5Mpa, fy = 414MPa, 20mm bars A. As'= 7 of 20mm and As=14 of 20mm B. As' = 9 of 20mm and As=18 of 20mm C. As'= 5 of 20mm and As=10 of 20mm D. As' = 3 of 20mm and As=6 of 20mm

Design the reinforcement of a rectangular beam to resist a dead load moment of 200kN.m (including its own weight) and a live load moment of 300kN.m. The beam is limited in size to 350mm by 600mm overall depth. Steel covering from centroid of bars to outermost fiber is 100mm for both tension and compression reinforcement. Use fc'=27.5Mpa, fy = 414MPa, 20mm bars A. As'= 7 of 20mm and As=14 of 20mm B. As' = 9 of 20mm and As=18 of 20mm C. As'= 5 of 20mm and As=10 of 20mm D. As' = 3 of 20mm and As=6 of 20mm

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.8.8P

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Concept explainers

Composite Construction

Composite construction is the construction of structures in which two or more materials are used. Regarding structural engineering, composite construction is a construction where two materials are bound together in a technical manner such that both the materials act as a single unit to carry and transfer the load. The motives of composite construction are to increase the structural strength, make structures more aesthetic, and provide a sustainable environment.

Question

Design the reinforcement of a rectangular beam to resist a dead load moment of 200kN.m (including its own weight) and a live load moment of 300kN.m. The beam is limited in size to 350mm by 600mm overall depth. Steel covering from centroid of bars to outermost fiber is 100mm for both tension and compression reinforcement. Use fc'=27.5Mpa, fy = 414MPa,
20mm bars

A. As'= 7 of 20mm and As=14 of 20mm
B. As' = 9 of 20mm and As=18 of 20mm
C. As'= 5 of 20mm and As=10 of 20mm
D. As' = 3 of 20mm and As=6 of 20mm

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