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1. Calculate all the stresses in this truss. Using low carbon steel, calculate the minimum diameter of each member to maintain a factor of safety of 2.0. The height of the truss is 12 feet, the spacing between horizontal joints is 15 feet. Force at B is 8000 lbs down, F is 5300 lbs down, and E = 3300 lbs down. ATHalino.com

1. Calculate all the stresses in this truss. Using low carbon steel, calculate the minimum diameter of each member to maintain a factor of safety of 2.0. The height of the truss is 12 feet, the spacing between horizontal joints is 15 feet. Force at B is 8000 lbs down, F is 5300 lbs down, and E = 3300 lbs down. ATHalino.com

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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Although the attached question says solve for all truss stresses, The problem is actually to solve for the reaction forces at point A and H along with the stress or compression forces (in pounds) for truss members AB and AC

Then ,finally to calculate the minimum diameter of low carbon steel rod needed to withstand the forces in AB and AC truss members.

Thanks

### Problem Statement 1. **Objective**: Calculate all the stresses in the truss. - **Material**: Low carbon steel. - **Requirement**: Calculate the minimum diameter of each member to maintain a factor of safety of 2.0. - **Specifications**: - The height of the truss is 12 feet. - The spacing between horizontal joints is 15 feet. - **Forces**: - Force at B is 8000 lbs downward. - Force at F is 5300 lbs downward. - Force at E is 3300 lbs downward. ### Diagram Explanation The diagram is a structural representation of a truss system with the following points: - **Points**: A, B, C, D, E, F, G, H - A, C, E, G, H are on the horizontal axis at the base. - B, D, F are the elevated points creating triangular segments above the base. - **Members**: (Connecting lines or segments) - Horizontal: AC, CE, EG - Vertical: BD, DF - Diagonal: AB, BC, CD, DE, EF, FG - **Supports**: - A pin support at point A, providing vertical and horizontal reaction forces. - A roller support at point H, providing only a vertical reaction force. - **External Loads**: - There are downward forces at points B, D, and F indicating applied loads on the truss structure. This description and the problem statement aim to guide students or readers in analyzing the truss for internal forces using principles of static equilibrium and material strength calculations.
Transcribed Image Text:### Problem Statement 1. **Objective**: Calculate all the stresses in the truss. - **Material**: Low carbon steel. - **Requirement**: Calculate the minimum diameter of each member to maintain a factor of safety of 2.0. - **Specifications**: - The height of the truss is 12 feet. - The spacing between horizontal joints is 15 feet. - **Forces**: - Force at B is 8000 lbs downward. - Force at F is 5300 lbs downward. - Force at E is 3300 lbs downward. ### Diagram Explanation The diagram is a structural representation of a truss system with the following points: - **Points**: A, B, C, D, E, F, G, H - A, C, E, G, H are on the horizontal axis at the base. - B, D, F are the elevated points creating triangular segments above the base. - **Members**: (Connecting lines or segments) - Horizontal: AC, CE, EG - Vertical: BD, DF - Diagonal: AB, BC, CD, DE, EF, FG - **Supports**: - A pin support at point A, providing vertical and horizontal reaction forces. - A roller support at point H, providing only a vertical reaction force. - **External Loads**: - There are downward forces at points B, D, and F indicating applied loads on the truss structure. This description and the problem statement aim to guide students or readers in analyzing the truss for internal forces using principles of static equilibrium and material strength calculations.
Expert Solution
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Civil Engineering homework question answer, step 1, image 1

Horizontal Spacing = 15 feet

Height of truss = 12 feetF

Factor of Safety = 2.0

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