R17-1. The wood column is 4 m long and is required tosupport the axial load of 25 kN. If the cross section is square,determine the dimension a of each of its sides using a factorof safety against buckling of F.S. = 2.5. The column isassumed to be pinned at its top and bottom. Use the Eulerequation. E w = 11 GPa, and o y = 10 MPa.25 kN4 m

The expression for both end hinged column is given as N×P=π2EIL2 ...(1) Here, N is…

Answered: R17-1. The wood column is 4 m long and…

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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2. Determine whether the compression member shown in Figure P4.3-7 is adequate to support the given service loads. a. Use LRFD. b. Use ASD. D = 560 kips L = 68 kips W12 × 79 A992 steel 20'
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Q2: Verify that the steel section W12 x 106 can be used for the cantilever beam shown in the Figure (2). Check for flexural strength and deflection only. The beam has lateral support at the ends. The service uniform distributed load includes, wp = 6 k/ft dead load and w₁ = 3 k/ft live load. Use steel A992 and C₁ = 1. A -10 ft- B Fig. (2)
3. Design a column of wide flange section W for the member (DE) of the frame shown below The frame is fully braced in the perpendicular plane (Ky = 1.00) while the other plane is free to sway Assume the axial load on the column is 2500 kN. Use A36 steel materials. 3.6 4.2 B 0.8 I 4.8m IS [21] H F u 6.0m I H
Each bar of the truss has a rectangular cross section, 30 mm by 60 mm. Determine the maximum vertical load P that can be applied at B if the working stresses are 100 MPa in tension and 80 MPa in compression. (A reduced stress in compression is specified to reduce the danger of buckling.) B 8m Gm 10m
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Answers: AB = kN E AH = kN Determine the force in each member of the loaded truss. All triangles are 3-4-5. Enter a the member is in tension, negative if in compression. BC - kN C 34kN kN BG E 34 kN BH - kN 15 kN BI = kN D B kN kN A E DE kN H G F DF = kN - 4 panels at 8 m- DG = kN DI kN EF = kN FG - kN GH = kN
4.7-2 An HSS 10 x 6 x 6 with F 46 ksi is used as a column. The length is 15 feet. Both ends are pinned, and there is support against weak axis buckling at a point 6 feet from the top. Determine a. the design strength for LRFD. b. the allowable stress for ASD.
The following steel circular bar (Es = 200 GPa) is divided into two segments. Segment 1 is tubular and segment 2 is solid. Determine the distance "x" so that the bar does not exceed a total deformation of 2.5 mm. The load P is equal to 25 kN, the diameter d is equal to 30 mm, and the length L is equal to 10 m.
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A traffic light signal pole is subjected to the weight of each traffic signal 45 lbs and the weight of the road lamp 55 lbs . The weight of lateral arms is included in the signal and lamp weights. The people is fixed and the base and is made of round structural steel section HSS 14.000 x 0.25. The details of the pole section may be obtained form the Manual of American society of steel Construction (AISC Steel Manual). Analyze the principle normal stresses and the maximum shear stresses on elements A and B located at the base in the pole as shown in the sketch below
Member AB consists of a single C130 x 10.4 steel channel of length 2.5 m. Knowing that the pins A and B pass through the centroid of the cross section of the channel, determine the factor of safety for the load shown with respect to buckling in the plane of the figure when 0 = 30°. Take P= 7.2 kN. Use E= 200 GPa. (Round the final answer to two decimal places.) EPT 2.5 m The factor of safety is B P

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