1008. A timber beam 150 mm wide by 250 mm deep is to be reinforced at the top and bottom by steel plates 10 mm thick. How wide should the steel plates be if the beam is to resist a moment of 50 kN-m? Assume that n = 15 and the allowable stresses in the wood and steel are 8 MPa and 110 MPa, respectively. Ans. b = 143 mm doen is to be 1009

1008. A timber beam 150 mm wide by 250 mm deep is to be reinforced at the top and bottom by steel plates 10 mm thick. How wide should the steel plates be if the beam is to resist a moment of 50 kN-m? Assume that n = 15 and the allowable stresses in the wood and steel are 8 MPa and 110 MPa, respectively. Ans. b = 143 mm doen is to be 1009

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 9.1.3P

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Question

1008. A timber beam 150 mm wide by 250 mm deep is to be
reinforced at the top and bottom by steel plates 10 mm thick. How wide
should the steel plates be if the beam is to resist a moment of 50
kN-m? Assume that n =
steel are 8 MPa and 110 MPa, respectively.
15 and the allowable stresses in the wood and
Ans. b = 143 mm
doen is to be
1009

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