A timber joist 100mm x 200mm is reinforced on its top and bottom surfaces by steel plates 15 mm thick x 100 mm wide. The composite beam is simply supported over a span of 4m and carries a uniformly distributed load of 10 kN/m. Modular ratio is 10. Determine the value of the following: a. The max. stress in timber b. The max. stress in steel c. The shear force per unit length transmitted by the timber/steel connection.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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4. A timber joist 100mm x 200mm is reinforced on its top and bottom surfaces by 
steel plates 15 mm thick x 100 mm wide. The composite beam is simply 
supported over a span of 4m and carries a uniformly distributed load of 10 kN/m. 
Modular ratio is 10. Determine the value of the following: 
a. The max. stress in timber 
b. The max. stress in steel 
c. The shear force per unit length transmitted by the timber/steel 
connection.

4. A timber joist 100mm x 200mm is reinforced on its top and bottom surfaces by
steel plates 15 mm thick x 100 mm wide. The composite beam is simply
supported over a span of 4m and carries a uniformly distributed load of 10 kN/m.
Modular ratio is 10. Determine the value of the following:
a. The max. stress in timber
b. The max. stress in steel
c. The shear force per unit length transmitted by the timber/steel
connection.
Transcribed Image Text:4. A timber joist 100mm x 200mm is reinforced on its top and bottom surfaces by steel plates 15 mm thick x 100 mm wide. The composite beam is simply supported over a span of 4m and carries a uniformly distributed load of 10 kN/m. Modular ratio is 10. Determine the value of the following: a. The max. stress in timber b. The max. stress in steel c. The shear force per unit length transmitted by the timber/steel connection.
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