Suppose this particular building has a pitched roof. The steel truss given in fig. 2 is used to build the pitched roof. Determine member forces of the truss. 20k 50k 8' Y/2 Y/2 + Question: 1.1 Analyze frame using moment distribution method: 1.2 Analyze truss using stiffness matrix method: 1.3 Assemble main diagonal of global stiffness matrix of the frame: Please solve the problem & If needed any data please assume. Distance : X=Z= 24.67' Y= 15'

Suppose this particular building has a pitched roof. The steel truss given in fig. 2 is used to build the pitched roof. Determine member forces of the truss. 20k 50k 8' Y/2 Y/2 + Question: 1.1 Analyze frame using moment distribution method: 1.2 Analyze truss using stiffness matrix method: 1.3 Assemble main diagonal of global stiffness matrix of the frame: Please solve the problem & If needed any data please assume. Distance : X=Z= 24.67' Y= 15'

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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Use VIRTUAL WORK METHOD to answer the questions below considering the truss shown in the figure. Assume A= 1200 mm2 , E = 200 GPa , and α = 12x10-6/°C. - Vertical displacement at Joint A in mm due to -100°C change in temperature in member AE and ED. Do not add deflection due to external loads or fabrication error. Choices: 14.40, 1.41, -16.90, -16.29, 2.74, 10.25, 8.24, -13.80 - Vertical displacement at Joint A in mm due to +2mm fabrication error on members AE and ED. Do not add deflection due to external loads or temperature change. Choices: -8.944, -0.694, -1.544, 15.841, -3.684, 2.546, 8.649, -17.645
2.) Total deflection at joint H of the truss shown below. Cross sectional areas of each member are shown. E is 200GPa and the same for all members. Use either unit load method or 200 kN castigliano's method in solving 200 KN P (in kN) P = 229 KN G (2500 mm²) D (2500 mm²) (1500 mm²) (1500 mm²) (1500 mm²) (1500 mm²) (1500 mm²) -2m- E (1500 mm²) (1500 mm²) (1500 mm²) (1500 mm²) B 1-2m- E = 200 GPa (2500 mm²) F (2500 mm²) 4m 4m
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Question 3 Determine the deflections in horizontal and vertical directions at point C and the reactions at supports A and B of the truss shown in Figure (3) using the stiffness method. Take E = 210 GPa and A = 170 mm² for all members. 24 KN 3.00 m 4.00 m Figure (3) C B 18 KN
The truss structure shown contains 15 pin-connected elements each with a cross-sectional area of 200 mm² and a modulus of elasticity of 210 GPa. Determine the vertical deflection of point H using Castigliano's method. D 3 m E 3 m 3 m F 3 m B H 3 m 8 kN A
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Use the method of virtual work and determine the vertical and horizontal displacement of joint F of the truss. Each steel member has a cross-section area of 300 mm2, E = 200 GPa. 60 kN E 2 m A B 2 m 2 m 2 m
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