Effect of alternative load path design method on preventing progressive collapse and reducing the rehabilitation cost using FEMA-P58

Journal of Engineering and Applied Science

Table 13 Plastic hinges rotation results for static models

No. of Floors	Performance Level	No. of Plastic Hinges That Reach Each Performance Level
		Case (A)			Case (B)
		Int	Ext	Cor	Int	Ext	Cor
6^th	A to IO	560	576	601	584	627	645
	IO to LS	132	118	47	112	69	51
	LS to CP	4	2	33	0	0	0
	> CP	0	0	15	0	0	0
9^th	A to IO	875	872	937	910	908	978
	IO to LS	167	157	95	134	134	66
	LS to CP	2	15	12	0	2	0
	> CP	0	0	0	0	0	0
12^th	A to IO	1198	1182	1248	1227	1223	1294
	IO to LS	168	171	119	163	153	91
	LS to CP	26	26	14	2	15	7
	> CP	0	13	11	0	1	0
15^th	A to IO	1540	1501	1565	1568	1551	1623
	IO to LS	172	188	136	166	165	101
	LS to CP	28	32	22	4	15	13
	> CP	0	19	17	0	7	1