For the truss shown below identify zero force members. Make sure to state which joint you are looking at, which rules you are following and the zero force members. (When answering statement, start with "Looking @ joint... your case... are zero force members."
For the truss shown below identify zero force members. Make sure to state which joint you are looking at, which rules you are following and the zero force members. (When answering statement, start with "Looking @ joint... your case... are zero force members."
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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- For the truss shown below identify zero force members. Make sure to state which joint you are looking at, which rules you are following and the zero force members. (When answering statement, start with "Looking @ joint... your case... are zero force members."
Transcribed Image Text:### Truss Analysis Diagram
**Description:**
This diagram represents a truss structure with labeled joints and members, typically used in civil engineering to analyze forces and load distributions. The diagram is used to visually depict how the forces are distributed throughout the structure.
**Key Components:**
- **Joints:**
- **A, B, C, D, H, I, J**: Points where the members of the truss connect.
- **Members:**
- **Truss Members**: Straight beams connecting the joints.
- **Supports:**
- **At A**: A triangular support indicates a pinned support allowing rotation but no translation.
- **At J**: A circular support represents a roller support allowing horizontal translation only.
- **Load:**
- **8000 lb at Point D**: A downward force applied at joint D.
- **Dimensions:**
- **Height (A to D)**: 12 feet.
- **Horizontal Length (A to J)**: Composed of 3 bays, each 8 feet long, totaling 24 feet.
- **Structural Layout:**
- The truss is supported on the left by a pinned support at A and on the right by a roller support at J, creating stability.
- The force of 8000 pounds applied at the top joint D causes stress to be distributed through the truss members to the supports.
This type of diagram is crucial for understanding the load distribution in structures such as bridges, roofs, and other frameworks, and aids in calculating forces and ensuring safety and stability.
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