A tied column 350 mm x 600 mm in cross section is reinforced with 6-28mm Ø bars arranged as shown in the figure. It is assumed that the columnsection has a strain on its compression edge equal to 0.003 and has atensile strain of +0.002 on its outer edge. f = 27.6 MPa. fy = 414.6 MPa.350 mm62.5Tension Bars600 mm4756-28 mm Ø62.5Compression Bars-Determine the total compressive force of the steel reinforcementconsidering that its compressive stress is reduced by 0.85 f' to accountfor the holes in the concrete.2 Determine the nominal axial load that causes this strain distribution in thecolumn section.3 Determine the nominal moment that causes this strain distribution in themn section.

Answer (1) Calculation of the total compressive force of the steel reinforcement Total compressive…

A tied column 350 mm x 600 mm in cross section is reinforced with 6-28 mm Ø bars arranged as shown in the figure. It is assumed that the column section has a strain on its compression edge equal to equal to 0.003 and has a tensile strain of +0.002 on its outer edge. f = 27.6 MPa. fy = 414.6 MPa.

A tied column 350 mm x 600 mm in cross section is reinforced with 6-28 mm Ø bars arranged as shown in the figure. It is assumed that the column section has a strain on its compression edge equal to equal to 0.003 and has a tensile strain of +0.002 on its outer edge. f = 27.6 MPa. fy = 414.6 MPa.

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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Pressure and Stress

Question

A tied column 350 mm x 600 mm in cross section is reinforced with 6-28
mm Ø bars arranged as shown in the figure. It is assumed that the column
section has a strain on its compression edge equal to 0.003 and has a
tensile strain of +0.002 on its outer edge. f = 27.6 MPa. fy = 414.6 MPa.
350 mm
62.5
Tension Bars
600 mm
475
6-28 mm Ø
62.5
Compression Bars
-
Determine the total compressive force of the steel reinforcement
considering that its compressive stress is reduced by 0.85 f' to account
for the holes in the concrete.
2 Determine the nominal axial load that causes this strain distribution in the
column section.
3 Determine the nominal moment that causes this strain distribution in the
mn section.

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