Table 6 Seismic performance indices of the test specimens.
From: Seismic performance of a new precast concrete frame joint with a built-in disc spring
Specimen | Δy (%) | Py (kN) | Δm (%) | Pm (kN) | Δu (%) | Ductility coefficient μ | Failure mode |
|---|---|---|---|---|---|---|---|
ERC2 | 0.77 | 28.46 | 1.50 | 32.20 | 3.50 | 4.56 | FF |
EPC2 | 0.74 | 32.38 | 1.50 | 38.65 | 3.01 | 4.09 | FF |
EPC4 | 0.59 | 52.72 | 1.50 | 62.15 | 2.34 | 3.97 | FF |
EPCD2 | 0.76 | 42.20 | 1.50 | 50.00 | 3.68 | 4.85 | FF |
EPCD4 | 0.60 | 59.90 | 1.00 | 70.95 | 2.77 | 4.62 | FF |
IRC2 | 0.67 | 58.38 | 1.00 | 70.35 | 3.91 | 5.84 | FF |
IPC2 | 0.82 | 61.01 | 1.00 | 71.30 | 4.23 | 5.16 | SF |
IPC4 | 0.63 | 75.44 | 1.50 | 89.65 | 2.94 | 4.65 | FF |
IPCD2 | 0.70 | 63.25 | 2.00 | 72.50 | 4.68 | 6.66 | SF |
IPCD4 | 0.64 | 72.44 | 1.50 | 86.70 | 3.14 | 4.89 | FF |