A timber column 6.5 m long and is laterally supported at 3 m from the bottom carries an axial load of 250 kN. If the allowable compressive stress parallel to the grain is 13.7 MPa, Design a column section by selecting the correct answer from the following questions. Use Forest Laboratory Formula. Modulus of Elasticity, E of the wood is 13,800 MPa. Considering the top part of the column for L1/D1 the ratio is equal to A. 12.5 B. 15.5 C. 16.5 D. 17.5 Considering the full length of the column for L2/D2, the ratio is equal to A. 25.35 B. 22.22 C. 27.30 D. 32.5 Comparing the larger L/D to K, the column should be considered a A. short colum B. intermediate column C. long column D. none of the above
A timber column 6.5 m long and is laterally supported at 3 m from the bottom carries an axial load of 250 kN. If the allowable compressive stress parallel to the grain is 13.7 MPa, Design a column section by selecting the correct answer from the following questions. Use Forest Laboratory Formula. Modulus of Elasticity, E of the wood is 13,800 MPa. Considering the top part of the column for L1/D1 the ratio is equal to A. 12.5 B. 15.5 C. 16.5 D. 17.5 Considering the full length of the column for L2/D2, the ratio is equal to A. 25.35 B. 22.22 C. 27.30 D. 32.5 Comparing the larger L/D to K, the column should be considered a A. short colum B. intermediate column C. long column D. none of the above
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A timber column 6.5 m long and is laterally supported at 3 m from the bottom carries an axial load of 250 kN. If the allowable compressive stress parallel to the grain is 13.7 MPa, Design a column section by selecting the correct answer from the following questions. Use Forest Laboratory Formula. Modulus of Elasticity, E of the wood is 13,800 MPa.
Considering the top part of the column for L1/D1 the ratio is equal to
A. 12.5
B. 15.5
C. 16.5
D. 17.5
Considering the full length of the column for L2/D2, the ratio is equal to
A. 25.35
B. 22.22
C. 27.30
D. 32.5
Comparing the larger L/D to K, the column should be considered a
A. short colum
B. intermediate column
C. long column
D. none of the above
Transcribed Image Text:250 KN
3.5 m
3m
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