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SPColumn Example 8:

SPColumn Example 8:

Verify the pure bending moment capacity of the section specified below:

Section dimensions:

bw=12 in

h= 28 in

Material properties:

f’c=9 ksi

εc= 0.003 in/in

β1= 0.85

Reinforcement parameters:

As= 12 in2

A's= 2 in2

fy=60 ksi

d (effective depth)= 26 in

εy= 0.002068 in/in

 

 

 

Library link: https://openbrim.org/objidr4h05qoxzrqdkwf86rhxhh.libobj

Result Comparison

Output Parameters

Description

spColumn

BDS

Percent Difference

Output Parameters

Description

spColumn

BDS

Percent Difference

β1

 

0.65

0.65

0%

εt

 

0.0046

0.0046

0%

c (in)

N.A. depth

10.31

10.31

0%

φ

Capacity reduction factor

0.8628

0.8637

0.1%

φMn (kip-ft)

Moment capacity

1182.69

1183.86

0.1%

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