Given the shape below, calculate the moment of inertia about the horizontal axis, which passes through the centroid of the cross section. Use b1 = 22, b1a = 15, t1 = 0.5, b2 = 12 and t2 = 0.4. Give the answer to one decimal place. %3D bia bi tz + b2 + to

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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**Problem Statement:**

Given the shape below, calculate the moment of inertia about the horizontal axis, which passes through the centroid of the cross section. Use the following dimensions:

- \( b_1 = 22 \)
- \( b_{1a} = 15 \)
- \( t_1 = 0.5 \)
- \( b_2 = 12 \)
- \( t_2 = 0.4 \)

Give the answer to one decimal place.

**Diagram Description:**

The diagram shows a T-shaped cross-section consisting of two rectangles:

1. A vertical rectangle with height \( b_1 \) and width \( t_1 \).
2. A horizontal rectangle with height \( t_2 \) and width \( b_2 \).

The overlapping section of the two rectangles forms a T-shape, with the bottom of the vertical rectangle aligned with the horizontal rectangle's bottom middle. The dotted line represents the horizontal axis through the centroid of the cross-section. The centroid is marked with a small dot where this line intersects the shape.

The measurements for each section are labeled on the diagram:

- The vertical part's height is \( b_1 \).
- The vertical part's horizontal dimension (width) is \( t_1 \).
- The horizontal part's width is \( b_2 \).
- The horizontal part's vertical dimension (height) is \( t_2 \).

**Objective:**

Use the given dimensions to calculate the moment of inertia about the specified horizontal axis.
Transcribed Image Text:**Problem Statement:** Given the shape below, calculate the moment of inertia about the horizontal axis, which passes through the centroid of the cross section. Use the following dimensions: - \( b_1 = 22 \) - \( b_{1a} = 15 \) - \( t_1 = 0.5 \) - \( b_2 = 12 \) - \( t_2 = 0.4 \) Give the answer to one decimal place. **Diagram Description:** The diagram shows a T-shaped cross-section consisting of two rectangles: 1. A vertical rectangle with height \( b_1 \) and width \( t_1 \). 2. A horizontal rectangle with height \( t_2 \) and width \( b_2 \). The overlapping section of the two rectangles forms a T-shape, with the bottom of the vertical rectangle aligned with the horizontal rectangle's bottom middle. The dotted line represents the horizontal axis through the centroid of the cross-section. The centroid is marked with a small dot where this line intersects the shape. The measurements for each section are labeled on the diagram: - The vertical part's height is \( b_1 \). - The vertical part's horizontal dimension (width) is \( t_1 \). - The horizontal part's width is \( b_2 \). - The horizontal part's vertical dimension (height) is \( t_2 \). **Objective:** Use the given dimensions to calculate the moment of inertia about the specified horizontal axis.
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