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The column is reinforced with 10 32-mm bars distributed around the perimeter. Load Pn will be applied with eccentricity e about the strong axis. Material strengths are f'c = 34 MPa and fy = 415 MPa. The neutral axis c = 360 mm from extreme concrete in compression. Determine the nominal column load and its eccentricity. Find also the ultimate column strength Pn. 67, 680 mm 67 H D

The column is reinforced with 10 32-mm bars distributed around the perimeter. Load Pn will be applied with eccentricity e about the strong axis. Material strengths are f'c = 34 MPa and fy = 415 MPa. The neutral axis c = 360 mm from extreme concrete in compression. Determine the nominal column load and its eccentricity. Find also the ultimate column strength Pn. 67, 680 mm 67 H D

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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**Text Transcription:** The column is reinforced with 10 32-mm bars distributed around the perimeter. Load \( P_n \) will be applied with eccentricity \( e \) about the strong axis. Material strengths are \( f'_c = 34 \, \text{MPa} \) and \( f_y = 415 \, \text{MPa} \). The neutral axis \( c = 360 \, \text{mm} \) from extreme concrete in compression. Determine the nominal column load and its eccentricity. Find also the ultimate column strength \( \phi P_n \). **Diagram Explanation:** The image includes two main diagrams: 1. **Front View of the Column Section:** - The rectangle represents the section of a reinforced concrete column. - Dimensions of the rectangle are labeled as 680 mm wide and 350 mm high. - There are circular symbols along the perimeter indicating the placement of the 32-mm reinforcing bars (10 in total). - The distance from the edge of the section to the center of the reinforcing bars is labeled as 67 mm. 2. **Side View of the Column:** - Shown as a vertical rectangular shape representing the column’s height. - The applied load \( P_n \) is shown at the top with an arrow, indicating the direction of the load. - The distance \( e \), representing the eccentricity of the applied load, is labeled to the right of the column.
Transcribed Image Text:**Text Transcription:** The column is reinforced with 10 32-mm bars distributed around the perimeter. Load \( P_n \) will be applied with eccentricity \( e \) about the strong axis. Material strengths are \( f'_c = 34 \, \text{MPa} \) and \( f_y = 415 \, \text{MPa} \). The neutral axis \( c = 360 \, \text{mm} \) from extreme concrete in compression. Determine the nominal column load and its eccentricity. Find also the ultimate column strength \( \phi P_n \). **Diagram Explanation:** The image includes two main diagrams: 1. **Front View of the Column Section:** - The rectangle represents the section of a reinforced concrete column. - Dimensions of the rectangle are labeled as 680 mm wide and 350 mm high. - There are circular symbols along the perimeter indicating the placement of the 32-mm reinforcing bars (10 in total). - The distance from the edge of the section to the center of the reinforcing bars is labeled as 67 mm. 2. **Side View of the Column:** - Shown as a vertical rectangular shape representing the column’s height. - The applied load \( P_n \) is shown at the top with an arrow, indicating the direction of the load. - The distance \( e \), representing the eccentricity of the applied load, is labeled to the right of the column.
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