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For the truss shown (E = 29000 ksi, A=1.5 in²), determine: a) Reactions at B and C. b) All zero-force members. Explain why? c) Force in member BE using the method of sections. Indicate tension or compression. d) Model the truss in SAP 2000 and verify your answers from previous parts. Explain if there is any discrepancy. e) Attach support reactions and axial forces in all members from SAP2000 in a Word document or PDF. Indicate whether members are in tension or compression. 8 k 12 k 6 k 8 ft. E B 8 ft D 6 ft

For the truss shown (E = 29000 ksi, A=1.5 in²), determine: a) Reactions at B and C. b) All zero-force members. Explain why? c) Force in member BE using the method of sections. Indicate tension or compression. d) Model the truss in SAP 2000 and verify your answers from previous parts. Explain if there is any discrepancy. e) Attach support reactions and axial forces in all members from SAP2000 in a Word document or PDF. Indicate whether members are in tension or compression. 8 k 12 k 6 k 8 ft. E B 8 ft D 6 ft

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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**Truss Analysis and Modeling Instructions** For the truss shown (with properties \( E = 29000 \text{ ksi}, A = 1.5 \text{ in}^2 \)), determine the following: a) **Reactions at B and C.** Analyze and calculate the support reactions at joints B and C. Consider the equilibrium of forces and moments acting on the truss system. b) **All Zero-Force Members. Explain why?** Identify and justify any zero-force members in the truss. Typically, these can occur due to specific loading conditions or geometry, such as when two non-collinear members meet at a joint unstressed by external load or support. c) **Force in Member BE Using the Method of Sections. Indicate Tension or Compression.** Utilize the method of sections to determine the internal force in member BE. Clearly state whether it is in tension or compression based on the direction of the force relative to the member. d) **Model the Truss in SAP 2000 and Verify Your Answers from Previous Parts. Explain if There is Any Discrepancy.** Create a computational model of the truss within SAP2000 software. Compare your analytical results with the software outputs, and discuss any differences or discrepancies, providing possible reasons for such variations. e) **Attach Support Reactions and Axial Forces in All Members from SAP2000 in a Word Document or PDF. Indicate Whether Members are in Tension or Compression.** Conclusion: Generate a report from SAP2000 which includes detailed support reactions and axial forces in each member. Label each member to show if it is under tension or compression, and submit this in either a Word document or PDF format. **Diagram Explanation:** - The truss is a planar structure with joints and members, forming two right triangles and a horizontal beam. - Key dimensions: the horizontal span from A to C is 16 feet, split equally at 8 feet. The height from joints A and C to point E is 6 feet. - Loads: 12 kips at A, 6 kips horizontally at E, and 8 kips vertically at E. - Supports: A roller support at A and a pin support at C. Ensure to follow the principles of static equilibrium for all calculations.
Transcribed Image Text:**Truss Analysis and Modeling Instructions** For the truss shown (with properties \( E = 29000 \text{ ksi}, A = 1.5 \text{ in}^2 \)), determine the following: a) **Reactions at B and C.** Analyze and calculate the support reactions at joints B and C. Consider the equilibrium of forces and moments acting on the truss system. b) **All Zero-Force Members. Explain why?** Identify and justify any zero-force members in the truss. Typically, these can occur due to specific loading conditions or geometry, such as when two non-collinear members meet at a joint unstressed by external load or support. c) **Force in Member BE Using the Method of Sections. Indicate Tension or Compression.** Utilize the method of sections to determine the internal force in member BE. Clearly state whether it is in tension or compression based on the direction of the force relative to the member. d) **Model the Truss in SAP 2000 and Verify Your Answers from Previous Parts. Explain if There is Any Discrepancy.** Create a computational model of the truss within SAP2000 software. Compare your analytical results with the software outputs, and discuss any differences or discrepancies, providing possible reasons for such variations. e) **Attach Support Reactions and Axial Forces in All Members from SAP2000 in a Word Document or PDF. Indicate Whether Members are in Tension or Compression.** Conclusion: Generate a report from SAP2000 which includes detailed support reactions and axial forces in each member. Label each member to show if it is under tension or compression, and submit this in either a Word document or PDF format. **Diagram Explanation:** - The truss is a planar structure with joints and members, forming two right triangles and a horizontal beam. - Key dimensions: the horizontal span from A to C is 16 feet, split equally at 8 feet. The height from joints A and C to point E is 6 feet. - Loads: 12 kips at A, 6 kips horizontally at E, and 8 kips vertically at E. - Supports: A roller support at A and a pin support at C. Ensure to follow the principles of static equilibrium for all calculations.
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