Chapter 6 - Truss Summary

Chapter 6 - Truss Summary - Chapter 6 Structural Analysis...

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Chapter 6 – Structural Analysis Truss Review What is a Truss? Trusses are stationary structures used to support and transmit loads. They are composed of slender two-force members connected by pins at their end points. Analysis of 2D Trusses Purpose is to determine forces in truss members Three assumptions: ± Loads are applied only at the joints ± Members are joined together by smooth pins ± Weight of members is typically neglected Truss Members Truss members can be in one of three conditions Zero Force Member
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TRUSS ANALYSIS – METHOD OF JOINTS Procedure for Analysis: 1. Draw FBD for entire truss (do not forget coordinate system) 2. Determine support reactions Use 000 xy FFM Σ= Σ= Σ= 3. Pick an appropriate starting point (JOINT) Preferably 1 known force and 2 unknown forces 4. Draw the FBD of the JOINT Concurrent force system (no moments) Draw known forces Draw unknown forces Direction by Inspection or Assumed Direction 5. Solve using 00 FF Σ= Σ=
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This note was uploaded on 04/17/2008 for the course EGN 3311 taught by Professor Hudyma during the Spring '08 term at UNF.

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Chapter 6 - Truss Summary - Chapter 6 Structural Analysis...

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