3.) A composite beam is composed of three planks, each 150 mm by 50mm., glued together to form an I section shown. The allowable shear stress in the glue is 0.65 MPa, the allowable shear stress in the wood is 0.83 MPa. The 3 meter beam is simply supported that carries a uniformly distributed load throughout its length and a concentrated load P= 10 KN at point 2 meters from the first support as shown w=N/m I R₁ R₂ 1. What is the moment of inertia of the section? 2. What is the maximum uniformly distributed load that can be carried by the beam 3. What is the maximum shearing load V, using the safe unit load, w? 4. What is the maximum flexural stress of the beam? 5. What is the flexural stress of the beam 1 meter from R1?i
3.) A composite beam is composed of three planks, each 150 mm by 50mm., glued together to form an I section shown. The allowable shear stress in the glue is 0.65 MPa, the allowable shear stress in the wood is 0.83 MPa. The 3 meter beam is simply supported that carries a uniformly distributed load throughout its length and a concentrated load P= 10 KN at point 2 meters from the first support as shown w=N/m I R₁ R₂ 1. What is the moment of inertia of the section? 2. What is the maximum uniformly distributed load that can be carried by the beam 3. What is the maximum shearing load V, using the safe unit load, w? 4. What is the maximum flexural stress of the beam? 5. What is the flexural stress of the beam 1 meter from R1?i
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:3.) A composite beam is composed of three planks, each 150 mm by 50mm.,
glued together to form an I section shown. The allowable shear stress in the glue
is 0.65 MPa, the allowable shear stress in the wood is 0.83 MPa. The 3 meter
beam is simply supported that carries a uniformly distributed load throughout its
length and a concentrated load P-10 KN at point 2 meters from the first support
as shown
w=N/m
I
R₂
R₁
1.
What is the moment of inertia of the section?
2. What is the maximum uniformly distributed load that can be carried by the beam
3. What is the maximum shearing load V, using the safe unit load, w?
4. What is the maximum flexural stress of the beam?
5. What is the flexural stress of the beam 1 meter from R1?i
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