- Solve Question B 1 (383.01 KiB) Viewed 56 times
Solve question B
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Solve question B
Solve question B
Q1: Given the truss structure as shown in Figure Q1 below, determine the horizontal component of the displacement at joint D. A vertical load of 22.5 kN acts at joint C. Support A is pinned supported and support B is roller supported. E = 200 GPa, constant for all members. The cross-sectional area A for each member is shown in Figure Q1. a.) Use the method of virtual work. Set up the table to calculate the horizontal deflection. (40 marks) b.) If a horizontal support is provided at the joint D to prevent the lateral displacement at joint D, calculate the magnitude of the horizontal support reaction. (15 marks) D 193 mm 3 m 193 mm2 289 mm А 385 mm2 385 mm с B 4 m 4 m 22.5 kN Figure Q1
Q1: Given the truss structure as shown in Figure Q1 below, determine the horizontal component of the displacement at joint D. A vertical load of 22.5 kN acts at joint C. Support A is pinned supported and support B is roller supported. E = 200 GPa, constant for all members. The cross-sectional area A for each member is shown in Figure Q1. a.) Use the method of virtual work. Set up the table to calculate the horizontal deflection. (40 marks) b.) If a horizontal support is provided at the joint D to prevent the lateral displacement at joint D, calculate the magnitude of the horizontal support reaction. (15 marks) D 193 mm 3 m 193 mm2 289 mm А 385 mm2 385 mm с B 4 m 4 m 22.5 kN Figure Q1
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