A 4-m simply supported timber beam is to be designed to carry a total uniform load of 10 kN/m including its own weight. The timber is 80% stress grade Apitong. The nominal size of the beam is 200 mm x 260 mm. Before installation, the width and depth are to be reduced by 10 mm. 7a Find the maximumshearing stress. a. 0.50 MPa b. 0.63 MPa d. 1.20 MPa c. 0.86 MPa 7b. Find the maximum bending stress. a. 12.50 MPa C. 11.20 MPa 7c. Find the maximum deflection. a. 18.43 mm b. 8.50 MPa d. 10.11 MPa c. 14.50 mm b. 25.63 mm d. 12.60 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 4-m simply supported timber beam is
to be designed to carry a total uniform
load of 10 kN/m including its own
weight. The timber is 80% stress
grade Apitong. The nominal size of the
beam is 200 mm x 260 mm. Before
installation, the width and depth are to
be reduced by 10 mm.
7a Find the maximumshearing stress.
a. 0.50 MPa
C. 0.86 MPa
7b. Find the maximum bending stress.
a. 12.50 MPa
c. 11.20 MPa
7c. Find the maximum deflection.
a. 18.43 mm
C. 14.50 mm
b. 0.63 MPa
d. 1.20 MPa
b. 8.50 MPa
d. 10.11 MPa
b. 25.63 mm
d. 12.60 mm
Transcribed Image Text:A 4-m simply supported timber beam is to be designed to carry a total uniform load of 10 kN/m including its own weight. The timber is 80% stress grade Apitong. The nominal size of the beam is 200 mm x 260 mm. Before installation, the width and depth are to be reduced by 10 mm. 7a Find the maximumshearing stress. a. 0.50 MPa C. 0.86 MPa 7b. Find the maximum bending stress. a. 12.50 MPa c. 11.20 MPa 7c. Find the maximum deflection. a. 18.43 mm C. 14.50 mm b. 0.63 MPa d. 1.20 MPa b. 8.50 MPa d. 10.11 MPa b. 25.63 mm d. 12.60 mm
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