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Select all true statements regarding the size factor, CF. This factor depends on the cross-sectional area of the member This factor increases as the member depth increases This factor is the same for bending and tension of dimensional lumber This factor depends on the grade of lumber

Select all true statements regarding the size factor, CF. This factor depends on the cross-sectional area of the member This factor increases as the member depth increases This factor is the same for bending and tension of dimensional lumber This factor depends on the grade of lumber

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Select all true statements regarding the size factor, Cf. This factor depends on the cross-sectional area of the member This factor increases as the member depth increases This factor is the same for bending and tension of dimensional lumber This factor depends on the grade of lumber
Transcribed Image Text:Select all true statements regarding the size factor, Cf. This factor depends on the cross-sectional area of the member This factor increases as the member depth increases This factor is the same for bending and tension of dimensional lumber This factor depends on the grade of lumber
Expert Solution
Step 1

Size factor depends on- 

CF=(12/d)^1/9

d can be diameter or depth 

As depth increase CF decrease 

Option b is wrong.

It depends on cross section

Option a is correct.

It also depends of grade of lumper.

Size factor cannot be same in bending and tension

 

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