Effect of Joint Flexibility on Seismic Performance of a Reinforced Concrete Ductile Moment-Resisting Frame
Table 5
Seismic demands placed upon the interior and exterior joints of the considered frames for the selected ground motions.
Record ID
Interior joint
Exterior joint
Maximum shear deformation (rad)
Maximum shear stress
Maximum shear deformation (rad)
Maximum shear stress
3 FL
3 FL
5 FL
5 FL
3 FL
3 FL
5 FL
5 FL
3 FL
5 FL
3 FL
5 FL
PF4
PF4-noJH
PF8
PF8-noJH
PF4
PF4-noJH
PF8
PF8-noJH
PF4
PF8
PF4
PF8
1
0.0013
0.0016
0.0006
0.0006
0.89
0.85
0.53
0.55
0.0009
—
0.53
—
2
0.0066
0.0082
0.0018
0.0029
1.40
1.37
0.90
0.88
0.0027
0.0007
0.85
0.29
3
0.0026
0.0030
0.0007
0.0007
1.32
1.29
0.70
0.72
0.0013
—
0.64
—
4
0.0090
0.0106
0.0020
0.0021
1.36
1.20
1.12
1.12
0.0023
—
0.99
—
5
0.0139
0.0151
0.0034
0.0057
1.36
1.30
1.19
1.18
0.0035
0.0010
0.99
0.58
6
0.0031
0.0043
0.0033
0.0047
1.30
1.28
1.16
1.13
0.0017
—
0.74
—
7
0.0025
0.0029
0.0011
0.0013
1.19
1.18
0.85
0.86
0.0010
—
0.59
—
For the exterior joint in PF8, only results from records 2 and 5 are included because they are the largest. Furthermore, the seismic demands obtained from records 1, 2–4, and 5-6 are minimal, and the inclusion of these results is considered insignificant.
