Numerical Analysis on Shear Behavior of Joints under Low Confining and Eccentric Loads
Table 5
Numerical results for specimens under low horizontal confining stress.
Type of joint
Specimen
Ultimate strength (kN)
Slip at ultimate strength (mm)
Monolithic joint (NC)
M0-C50-0.5
165.45
0.401
1.000
1.000
M0-C50-0.4
162.97
0.407
0.985
1.015
M0-C50-0.3
160.57
0.401
0.971
1.000
M0-C50-0.2
160.39
0.392
0.970
0.978
M0-C50-0.1
154.11
0.372
0.931
0.928
Single-keyed dry joint with NC
K1-C50-0.5
96.30
0.370
1.000
1.000
K1-C50-0.4
93.42
0.370
0.970
1.000
K1-C50-0.3
90.33
0.358
0.938
0.968
K1-C50-0.2
86.39
0.334
0.897
0.903
K1-C50-0.1
65.41
0.534
0.679
1.443
Single-keyed dry joint with SFRC
K1-S50-0.5
111.50
0.567
1.000
1.000
K1-S50-0.4
110.71
0.587
0.993
1.035
K1-S50-0.3
107.06
0.559
0.960
0.986
K1-S50-0.2
96.95
0.912
0.870
1.608
K1-S50-0.1
89.09
1.181
0.800
2.083
Single-keyed epoxied joint (NC)
EA1-C50-0.5
258.93
0.286
1.000
1.000
EA1-C50-0.4
249.68
0.267
0.964
0.934
EA1-C50-0.3
244.51
0.264
0.944
0.923
EA1-C50-0.2
231.71
0.247
0.895
0.864
EA1-C50-0.1
223.72
0.244
0.864
0.853
EC1-C50-0.5
247.33
0.290
1.000
1.000
EC1-C50-0.4
239.07
0.268
0.967
0.924
EC1-C50-0.3
231.60
0.260
0.936
0.897
EC1-C50-0.2
217.52
0.240
0.879
0.828
EC1-C50-0.1
213.59
0.238
0.864
0.821
Note: is the numerical ultimate strength for the same joint type of specimen under 0.5 MPa confining stress; is the numerical slip at ultimate strength for the same joint type of specimen under 0.5 MPa confining stress; NC = normal concrete; SFRC = steel fiber-reinforced concrete.
