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1. A built up section of a W 310 x 74 and a 300 x 12 mm plate which is welded to each flange is used as a column. The member is 9 m long with pinned end an A 36 steel is used, Fy = 250 MPa (Use the table 502.4 case 3 and 10 for compaction test) Properties of W310 x 74 A = 9490 mm² b₁ = 205 mm d = 310 mm t₁ = 16.3 mm t₁ = 9.40 mm rx = 132 mm r, = 49.7 mm Kdes = 29 mm Ix = 165 x 10 mm I, = 23.4 x 10mm* a. Determine the critical slenderness ratio. b. Determine critical compressive stress c. Determine the design compressive axial load in ASD and LRFD

1. A built up section of a W 310 x 74 and a 300 x 12 mm plate which is welded to each flange is used as a column. The member is 9 m long with pinned end an A 36 steel is used, Fy = 250 MPa (Use the table 502.4 case 3 and 10 for compaction test) Properties of W310 x 74 A = 9490 mm² b₁ = 205 mm d = 310 mm t₁ = 16.3 mm t₁ = 9.40 mm rx = 132 mm r, = 49.7 mm Kdes = 29 mm Ix = 165 x 10 mm I, = 23.4 x 10mm* a. Determine the critical slenderness ratio. b. Determine critical compressive stress c. Determine the design compressive axial load in ASD and LRFD

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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1. A built up section of a W 310 x 74 and a 300 x 12 mm plate which is welded to each flange is used as a column. The member is 9 m long with pinned end an A 36 steel is used, Fy = 250 MPa (Use the table 502.4 case 3 and 10 for compaction test) Properties of W310 x 74 A = 9490 mm² b₁ = 205 mm d = 310 mm t₁ = 16.3 mm t₁ = 9.40 mm rx = 132 mm r, = 49.7 mm Kdes = 29 mm Ix = 165 x 10 mm I, = 23.4 x 10mm* a. Determine the critical slenderness ratio. b. Determine critical compressive stress c. Determine the design compressive axial load in ASD and LRFD
Transcribed Image Text:1. A built up section of a W 310 x 74 and a 300 x 12 mm plate which is welded to each flange is used as a column. The member is 9 m long with pinned end an A 36 steel is used, Fy = 250 MPa (Use the table 502.4 case 3 and 10 for compaction test) Properties of W310 x 74 A = 9490 mm² b₁ = 205 mm d = 310 mm t₁ = 16.3 mm t₁ = 9.40 mm rx = 132 mm r, = 49.7 mm Kdes = 29 mm Ix = 165 x 10 mm I, = 23.4 x 10mm* a. Determine the critical slenderness ratio. b. Determine critical compressive stress c. Determine the design compressive axial load in ASD and LRFD
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