chapter6 (analysis of structures)

chapter6 (analysis of structures) - CHAPTER SIX ANALYSIS OF...

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Unformatted text preview: CHAPTER SIX ANALYSIS OF STRUCTURES STRUCTURE DEFINED A structure is a rigid body made up of several connected parts or members designed to withstand some externally applied forces. The analysis of structures is based on the principle that if a structure is in equilibrium, then each of its members is also in equilibrium. By applying the equations of equilibrium to the various parts of simple truss, frame or machine, the forces acting on the connections can be determined. 6.2 TRUSSES A truss is a structure made up of straight members which are connected at the joints, and having the joints at the ends of the members. Trusses are used to support roofs, bridges and other structures. 6.2.1 Types of Trusses (a) Simple Trusses : A simple truss is one which is generated from a basic triangle. To any two ends of a member, two additional members are attached and connected at a single new joint. Types of Trusses Contd. (a) Non-Simple Truss-Fink's Roof Truss 6.1.1 Analysis of Trusses- Method of Joints Example: Determine the force in each member of the truss shown. Indicate whether the members are in tension or compression. External Forces Determination 2.3 Zero Force Members2....
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chapter6 (analysis of structures) - CHAPTER SIX ANALYSIS OF...

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