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1. What is meant by the term 'two-dimensional truss/framework? 2 What is a space truss? Explain. 3. How will you know whether a two-dimensional framework will be stable? Use a sketch to support your answer.

1. What is meant by the term 'two-dimensional truss/framework? 2 What is a space truss? Explain. 3. How will you know whether a two-dimensional framework will be stable? Use a sketch to support your answer.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter18: Mathematics In Engineering
Section18.3: Nonlinear Models
Problem BYGV
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1. What is meant by the term 'two-dimensional truss/framework? 2 What is a space truss? Explain. 3. How will you know whether a two-dimensional framework will be stable? Use a sketch to support your answer. 4. How will you know whether a three-dimensional framework will be stable? Use a sketch to support your answer. 5. If a member of a framework is compressed as a result of the external forces acting on the framework, what will the member be termed? 6. Identify three methods of calculating internal forces in the members of a simple two-dimensional truss. .7. Explain the tension coefficient method of calculating the internal forces in the members of a simple three-dimensional truss. 8. Derive expressions for the state of frameworks with or without foundations * 9. Using the knowledge gained from your research into two-dimensional frameworks, solve the following: Details for the bridge truss design: 8KN 6KN GKN A Warren girder bridge truss that will be subjected to loads as shown above is to be designed and analysed. All triangles are equilateral triangles and member a-b is 2 m long. Calculate the following: • State the nature of the framework. • Calculate the reactions at the supports. • Using the method of sections (analytical method), calculate the magnitude of the internal forces in member b-c, b-g and g-h and state the sense (nature) of each force.
Transcribed Image Text:1. What is meant by the term 'two-dimensional truss/framework? 2 What is a space truss? Explain. 3. How will you know whether a two-dimensional framework will be stable? Use a sketch to support your answer. 4. How will you know whether a three-dimensional framework will be stable? Use a sketch to support your answer. 5. If a member of a framework is compressed as a result of the external forces acting on the framework, what will the member be termed? 6. Identify three methods of calculating internal forces in the members of a simple two-dimensional truss. .7. Explain the tension coefficient method of calculating the internal forces in the members of a simple three-dimensional truss. 8. Derive expressions for the state of frameworks with or without foundations * 9. Using the knowledge gained from your research into two-dimensional frameworks, solve the following: Details for the bridge truss design: 8KN 6KN GKN A Warren girder bridge truss that will be subjected to loads as shown above is to be designed and analysed. All triangles are equilateral triangles and member a-b is 2 m long. Calculate the following: • State the nature of the framework. • Calculate the reactions at the supports. • Using the method of sections (analytical method), calculate the magnitude of the internal forces in member b-c, b-g and g-h and state the sense (nature) of each force.
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