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A built up compression section is shown in the figure. This forms a non-standard wide flange section. Assume KL - 2.4 m. Use A36 steel with Fy-248 MPa. Use NSCP Specifications. E-200 GPa a) Compute the reduction factor Qs, for unstiffened elements. 276mm STEEL DESIGN - CIVIL ENGINEERING 250mm 12mm 6mm

A built up compression section is shown in the figure. This forms a non-standard wide flange section. Assume KL - 2.4 m. Use A36 steel with Fy-248 MPa. Use NSCP Specifications. E-200 GPa a) Compute the reduction factor Qs, for unstiffened elements. 276mm STEEL DESIGN - CIVIL ENGINEERING 250mm 12mm 6mm

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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505.7.1 Slender Unstiffened Elements, Q J The reduction factor Q, for slender unstiffened elements is defined as follows: 1. For flanges, angles, and plates projecting from rolled columns or other compression members: 2. a. When b. c. When a When b. Q.1.415-0.74 b 750.56 C. When Q₁ = 1.0 E b 0.56 <-<1.03 OF e 1.03 es == When For flanges, angles, and plates projecting from built-up columns or other compression members: Ek When 0.69E b <0.64 where: Fy 0.64 Q₁ = 1.0 Q=1.415-0.65 Ek Q₂ = </s <-≤1.17 >117 Eke (505.7-4) 0.90Ek (505.7-5) (505.7-6) (505.7-7) Eke (505.7-8) (505.7-9) 4 and shall not be taken less than 0.35 nor greater than √h/t 0.76 for calculation purposes
Transcribed Image Text:505.7.1 Slender Unstiffened Elements, Q J The reduction factor Q, for slender unstiffened elements is defined as follows: 1. For flanges, angles, and plates projecting from rolled columns or other compression members: 2. a. When b. c. When a When b. Q.1.415-0.74 b 750.56 C. When Q₁ = 1.0 E b 0.56 <-<1.03 OF e 1.03 es == When For flanges, angles, and plates projecting from built-up columns or other compression members: Ek When 0.69E b <0.64 where: Fy 0.64 Q₁ = 1.0 Q=1.415-0.65 Ek Q₂ = </s <-≤1.17 >117 Eke (505.7-4) 0.90Ek (505.7-5) (505.7-6) (505.7-7) Eke (505.7-8) (505.7-9) 4 and shall not be taken less than 0.35 nor greater than √h/t 0.76 for calculation purposes
A built up compression section is shown in the figure. This forms a non-standard wide flange section. Assume KL - 2.4 m. Use A36 steel with Fy-248 MPa. Use NSCP Specifications. E-200 GPa a) Compute the reduction factor Qs, for unstiffened elements. 276mm STEEL DESIGN - CIVIL ENGINEERING 250mm 12mm 6mm
Transcribed Image Text:A built up compression section is shown in the figure. This forms a non-standard wide flange section. Assume KL - 2.4 m. Use A36 steel with Fy-248 MPa. Use NSCP Specifications. E-200 GPa a) Compute the reduction factor Qs, for unstiffened elements. 276mm STEEL DESIGN - CIVIL ENGINEERING 250mm 12mm 6mm
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