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Table 3 Summary of test results and predictions.

From: Structural Performance of PC Double Beam–Column Connection Under Gravity and Seismic Loading

Specimen Load-carrying capacity Deformation capacity Stiffness (kN/mm)
Test results Ptesta Prediction Pn Ptest / Pna Yield drift ratio δya (%) Maximum drift ratio δua (%) Ductility μa ky ki ks ks / ki
GPC1 501 414 1.21 13.95 171.13 12.27 26.9 74.8 - -
GPC1-AF 523 471 1.11 13.67 158.71 11.61 28.7 84.0 - -
GPC2-AF 523 471 1.11 13.78 157.86 11.46 28.5 88.9 - -
SRC 282|278 239 1.18|1.16 1.20|1.15 6.15|6.05 5.09|5.24 5.2 12.3 2.49 0.20
SPC1 218|254 188 1.17|1.35 1.28|1.06 5.59|5.95 4.35|5.58 4.23 12.0 2.00 0.17
SPC2 224|243 188 1.20|1.30 0.98|1.35 5.70|5.98 5.81|4.42 4.31 10.0 2.03 0.20
  1. ky = yield stiffness, ki = initial stiffness, ks = secant stiffness.
  2. a Positive value | negative value.