A Relative Reliability Approach for Direct Displacement-Based Seismic Design of Partially Prestressed Reinforced Concrete Frame Structures

Table 6

The reliability index of 10 PPC frames under frequent earthquake.

Number of frames	Methods	The design base shear	Resistance		Effect		Reliability index
			Story drift ratio	Coefficient of variation	Story drift ratio	Coefficient of variation
YKJ-1	DDBD	373.092	1/486	0.22	1/1330	0.31	2.760
	FBD	383.632	1/480	0.22	1/1398	0.31	2.927
YKJ-2	DDBD	905.484	1/482	0.22	1/826	0.31	1.504
	FBD	897.370	1/517	0.22	1/883	0.31	1.495
YKJ-7	DDBD	420.360	1/609	0.22	1/1733	0.31	2.864
	FBD	544.640	1/578	0.22	1/1814	0.31	3.127
YKJ-8	DDBD	1022.93	1/320	0.22	1/969	0.31	2.811
	FBD	1188.89	1/311	0.22	1/998	0.31	3.187
YKJ-9	DDBD	625.572	1/655	0.22	1/1827	0.31	2.811
	FBD	834.330	1/587	0.22	1/1875	0.31	3.174
YKJ-10	DDBD	1516.80	1/360	0.22	1/995	0.31	2.786
	FBD	1782.51	1/367	0.22	1/1017	0.31	2.793
YKJ-13	DDBD	551.832	1/438	0.22	1/1226	0.31	2.820
	FBD	561.615	1/402	0.22	1/1263	0.31	3.130
YKJ-14	DDBD	1334.77	1/448	0.22	1/821	0.31	1.684
	FBD	1315.35	1/478	0.22	1/868	0.31	1.66
YKJ-19	DDBD	657.432	1/562	0.22	1/1383	0.31	2.475
	FBD	690.200	1/568	0.22	1/1454	0.31	2.581
YKJ-20	DDBD	1599.89	1/311	0.22	1/770	0.31	2.491
	FBD	1506.34	1/309	0.22	1/783	0.31	2.553