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c) A telecommunication tower shown in Fig Q1-1 consists of the main structural element 2-4 and cables in elements 1-2 and 2-3. The main structural element can resist both tension and compression while the cables can only resist tensile forces. i) Using the matrix implementation of the stiffness method, compute the deflection at Node 2 induced by the lateral load shown. Compute the member forces ii) Assume E-200GPa and Area of main structural element - 40 x 10³ mm². Area of cables - 40 x 10² mm² Hint: All calculations should be based on the given node numbering in the figure.

c) A telecommunication tower shown in Fig Q1-1 consists of the main structural element 2-4 and cables in elements 1-2 and 2-3. The main structural element can resist both tension and compression while the cables can only resist tensile forces. i) Using the matrix implementation of the stiffness method, compute the deflection at Node 2 induced by the lateral load shown. Compute the member forces ii) Assume E-200GPa and Area of main structural element - 40 x 10³ mm². Area of cables - 40 x 10² mm² Hint: All calculations should be based on the given node numbering in the figure.

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 c)
a) List and briefly explain 3 differences between stiffness and flexibility methods of structural analysis. b) State two advantages that the stiffness method has over flexibility methods. c) A telecommunication tower shown in Fig Q1-1 consists of the main structural element 2-4 and cables in elements 1-2 and 2-3. The main structural element can resist both tension and compression while the cables can only resist tensile forces. i) Using the matrix implementation of the stiffness method, compute the deflection at Node 2 induced by the lateral load shown. ii) Compute the member forces Assume E = 200GPa and Area of main structural element = 40 x 10³ mm². Area of cables - 40 x 10² mm² Hint: All calculations should be based on the given node numbering in the figure. Fig Q1-1 1 8m 4 2 5kN 30m XE 3 8m
Transcribed Image Text:a) List and briefly explain 3 differences between stiffness and flexibility methods of structural analysis. b) State two advantages that the stiffness method has over flexibility methods. c) A telecommunication tower shown in Fig Q1-1 consists of the main structural element 2-4 and cables in elements 1-2 and 2-3. The main structural element can resist both tension and compression while the cables can only resist tensile forces. i) Using the matrix implementation of the stiffness method, compute the deflection at Node 2 induced by the lateral load shown. ii) Compute the member forces Assume E = 200GPa and Area of main structural element = 40 x 10³ mm². Area of cables - 40 x 10² mm² Hint: All calculations should be based on the given node numbering in the figure. Fig Q1-1 1 8m 4 2 5kN 30m XE 3 8m
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