Research on the Seismic Performance of the Prefabricated Reinforced Concrete Column with Steel Mortise and Tenon Connections

Table 5

Cumulative hysteretic energy dissipation E (kN·mm), energy dissipation coefficient e, and equivalent viscous damping coefficient h_e of specimens.

Specimen no.		RC	PRC1-1	PRC1-2	PRC2-1	PRC2-2	PRC3-1	PRC3-2
1/500	E	0.050	0.016	0.041	0.049	0.048	0.046	0.044
	e	0.606	0.708	0.508	0.569	0.583	0.618	0.541
	he	0.096	0.113	0.081	0.091	0.093	0.098	0.086
1/200	E	0.251	0.226	0.212	0.262	0.166	0.233	0.245
	e	0.739	0.761	0.589	0.742	0.689	0.765	0.717
	he	0.118	0.121	0.094	0.118	0.110	0.122	0.114
1/150	E	0.371	0.349	0.362	0.934	0.359	0.358	0.389
	e	0.703	0.741	0.670	0.720	0.678	0.766	0.758
	he	0.112	0.118	0.107	0.115	0.108	0.122	0.121
1/125 (PRC3-2: 1/100)	E	0.462	0.426	0.436	0.494	0.448	0.471	0.672
	e	0.654	0.661	0.605	0.680	0.633	0.766	0.687
	he	0.104	0.105	0.096	0.108	0.101	0.122	0.109
1/50	E	1.798	1.910	2.279	2.124	2.029	1.908	1.933
	e	0.656	0.767	0.937	0.853	0.841	0.848	0.774
	he	0.104	0.122	0.149	0.134	0.134	0.135	0.123
1/30	E	5.250	5.275	5.925	4.960	5.209	4.237	5.732
	e	1.397	1.346	1.704	1.473	1.557	1.411	1.566
	he	0.222	0.214	0.271	0.234	0.247	0.225	0.249