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1. Method of Joints: Find AB AC BD and BC (edited) 9 ft 9 ft A B -18 ft 18 ft- C 18 18 ft- D 6 kips E -18 ft- F -18 ft- 6 kips 12 ft G

1. Method of Joints: Find AB AC BD and BC (edited) 9 ft 9 ft A B -18 ft 18 ft- C 18 18 ft- D 6 kips E -18 ft- F -18 ft- 6 kips 12 ft G

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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### Method of Joints: Truss Analysis The diagram illustrates a truss structure with the task of determining the forces in specific members: AB, AC, BD, and BC using the method of joints. #### Diagram Details: - **Truss Configuration:** - The truss consists of five main joints labeled A, B, C, D, E, F, and G. - Horizontal and diagonal members connect these joints, forming a triangular pattern. - **Dimensions:** - The horizontal distance between A and B, D and F is 18 feet each. - The distance from B to D is also 18 feet. - The distance from A to G is split into segments of 9 feet, 18 feet, 18 feet, and 9 feet. - The vertical height from joint A to G is 12 feet. - **Loads:** - Two downward forces are applied at joints C and E, each being 6 kips. #### Objective: The task is to calculate the forces in members AB, AC, BD, and BC by analyzing each joint in equilibrium. Use equations of static equilibrium to solve for the member forces. This truss analysis involves reviewing each joint starting from one with known forces and proceeding systematically to unknowns, assuming tensile or compressive forces and adjusting based on calculations.
Transcribed Image Text:### Method of Joints: Truss Analysis The diagram illustrates a truss structure with the task of determining the forces in specific members: AB, AC, BD, and BC using the method of joints. #### Diagram Details: - **Truss Configuration:** - The truss consists of five main joints labeled A, B, C, D, E, F, and G. - Horizontal and diagonal members connect these joints, forming a triangular pattern. - **Dimensions:** - The horizontal distance between A and B, D and F is 18 feet each. - The distance from B to D is also 18 feet. - The distance from A to G is split into segments of 9 feet, 18 feet, 18 feet, and 9 feet. - The vertical height from joint A to G is 12 feet. - **Loads:** - Two downward forces are applied at joints C and E, each being 6 kips. #### Objective: The task is to calculate the forces in members AB, AC, BD, and BC by analyzing each joint in equilibrium. Use equations of static equilibrium to solve for the member forces. This truss analysis involves reviewing each joint starting from one with known forces and proceeding systematically to unknowns, assuming tensile or compressive forces and adjusting based on calculations.
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