A rectangular timber beam, 320 mm deep by 140 mm wide, is located as shown below: 140 2 kN 1 KN ↓↓ 3 kN/m D A TBT 320 1 m 1 m 1 m a. Calculate the support reactions. ? b. Draw the shear force and the bending moment diagrams. C. Find the maximum shear force acting on the beam. d. Calculate the bending stress in a layer 80 mm below the top surface of the beam at section B. e. Find the maximum bending stress.
A rectangular timber beam, 320 mm deep by 140 mm wide, is located as shown below: 140 2 kN 1 KN ↓↓ 3 kN/m D A TBT 320 1 m 1 m 1 m a. Calculate the support reactions. ? b. Draw the shear force and the bending moment diagrams. C. Find the maximum shear force acting on the beam. d. Calculate the bending stress in a layer 80 mm below the top surface of the beam at section B. e. Find the maximum bending stress.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A rectangular timber beam, 320 mm deep by 140 mm wide, is located as
shown below:
140
2 KN
1kN
K
3 kN/m
Τ ĮBĮ Į! ĮC Į Į
D
A
1 m
1 m
1 m
k
a.
Calculate the support reactions.
?
b. Draw the shear force and the bending moment diagrams.
Find the maximum shear force acting on the beam.
c.
d.
Calculate the bending stress in a layer 80 mm below the top
surface of the beam at section B.
Find the maximum bending stress.
e.
320
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Transcribed Image Text:d. Calculate the bending stress in a layer 80 mm below the top
surface of the beam at section B.
e. Find the maximum bending stress.
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