Calculate the minimum girder width to fit the longitudinal bars shown that have center-to-center spacing equal to three times the bar diameter. The required bar cover is 1-1/2in #4 shear reinforcing stirrups long. reinforcing 3 - #9 bars 10 in 12 in 14 in 16 in Beam Section 20"

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Calculate the minimum girder width to fit the longitudinal bars shown that have
center-to-center spacing equal to three times the bar diameter. The required bar
cover is 1-1/2in
#4 shear
reinforcing
stirrups
long. reinforcing
3 - #9 bars
10 in
12 in
14 in
16 in
Beam Section
20"
Transcribed Image Text:Calculate the minimum girder width to fit the longitudinal bars shown that have center-to-center spacing equal to three times the bar diameter. The required bar cover is 1-1/2in #4 shear reinforcing stirrups long. reinforcing 3 - #9 bars 10 in 12 in 14 in 16 in Beam Section 20"
Expert Solution
Step 1

Given data:

Total depth of the beam, D=20 in

Diameter of main reinforcing bar,d=98=1.125 in

Center to center spacing, S= 3d

Bar cover=1-1/2 in=1.5 in

Diameter of #4 number shear reinforcing stirrups, ds=48=0.5 in

It is asked to determine the minimum width of Girder to fit longitudinal bars.

 

 

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