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Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Construct the load, shear, and moment diagrams for the following beam conditions using the
semigraphical approach. Thank you! 

The diagram represents a structural mechanics problem involving a beam with two types of supports and uniform loads. 

### Description:

- **Beam Configuration:**
  - The beam is divided into two equal parts, each 10 feet in length, for a total span of 30 feet.
  - There are two segments where a uniform load is applied.

- **Supports:**
  - **Point A** has a triangular shape indicating a pinned support. This type of support can resist both vertical and horizontal forces but not moments.
  - **Point D** has a roller support, shown as a circle. Roller supports can resist vertical forces but allow horizontal movement and rotation.

- **Loads:**
  - **Uniform Load W** is applied on segments AB and CD, each having a magnitude of 2 kips per foot (k/ft).
  - Arrows on top of segments AB and CD indicate the direction and constant magnitude of the load across these segments.

- **Segments:**
  -  **AB (10 feet):** This segment has a uniform load of 2 k/ft.
  -  **BC (10 feet):** This segment does not appear to have an external load applied.
  -  **CD (10 feet):** This segment also has a uniform load of 2 k/ft.

### Interpretation:

This type of problem is typically used to analyze the reactions at the supports and the internal moments within the beam. Calculations would involve using equilibrium equations and possibly methods like shear and moment diagrams or numerical simulations to understand the force distribution and structural response.
Transcribed Image Text:The diagram represents a structural mechanics problem involving a beam with two types of supports and uniform loads. ### Description: - **Beam Configuration:** - The beam is divided into two equal parts, each 10 feet in length, for a total span of 30 feet. - There are two segments where a uniform load is applied. - **Supports:** - **Point A** has a triangular shape indicating a pinned support. This type of support can resist both vertical and horizontal forces but not moments. - **Point D** has a roller support, shown as a circle. Roller supports can resist vertical forces but allow horizontal movement and rotation. - **Loads:** - **Uniform Load W** is applied on segments AB and CD, each having a magnitude of 2 kips per foot (k/ft). - Arrows on top of segments AB and CD indicate the direction and constant magnitude of the load across these segments. - **Segments:** - **AB (10 feet):** This segment has a uniform load of 2 k/ft. - **BC (10 feet):** This segment does not appear to have an external load applied. - **CD (10 feet):** This segment also has a uniform load of 2 k/ft. ### Interpretation: This type of problem is typically used to analyze the reactions at the supports and the internal moments within the beam. Calculations would involve using equilibrium equations and possibly methods like shear and moment diagrams or numerical simulations to understand the force distribution and structural response.
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How did you come up with 100 k-ft for the BMD? I'm probobly missing it but I'm unsure of how you got that answer. 

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