The steel frame supports the loading shown. Determine the horizontal and vertical components of reaction at the supports A andD. Draw the moment diagrams for the frame members. EI is constant.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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9–17. The steel frame supports the loading shown. Determine the horizontal and vertical components of reaction at the supports A andD. Draw the moment diagrams for the frame members. EI is constant.

**Problem 9-17: Structural Analysis of a Frame**

This diagram illustrates a structural problem involving a rigid frame subjected to a uniform distributed load. The frame is composed of vertical and horizontal members connected at joints. Here are the key elements of the diagram:

- **Vertical Members (AB and CD):** 
  - Both vertical members have a length of 12 feet.
  - Each member has a moment of inertia denoted as \( I_1 \).

- **Horizontal Member (BC):**
  - This horizontal beam spans 15 feet between the vertical members.
  - It has a moment of inertia denoted as \( I_2 = 2I_1 \), indicating it is twice as stiff as the vertical members.

- **Distributed Load:**
  - The top beam (BC) is subjected to a uniform distributed load of \( 3 \text{ kips/ft} \), acting downward across the entire span.

- **Supports:**
  - The frame is supported at points A and D, typically assumed to be fixed or pinned, providing stability to the structure.

This setup is commonly used to analyze the response of a frame to lateral loads, including the calculation of bending moments, shear forces, and deflections.
Transcribed Image Text:**Problem 9-17: Structural Analysis of a Frame** This diagram illustrates a structural problem involving a rigid frame subjected to a uniform distributed load. The frame is composed of vertical and horizontal members connected at joints. Here are the key elements of the diagram: - **Vertical Members (AB and CD):** - Both vertical members have a length of 12 feet. - Each member has a moment of inertia denoted as \( I_1 \). - **Horizontal Member (BC):** - This horizontal beam spans 15 feet between the vertical members. - It has a moment of inertia denoted as \( I_2 = 2I_1 \), indicating it is twice as stiff as the vertical members. - **Distributed Load:** - The top beam (BC) is subjected to a uniform distributed load of \( 3 \text{ kips/ft} \), acting downward across the entire span. - **Supports:** - The frame is supported at points A and D, typically assumed to be fixed or pinned, providing stability to the structure. This setup is commonly used to analyze the response of a frame to lateral loads, including the calculation of bending moments, shear forces, and deflections.
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