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 15 Number of columns reached high (DCR) for all models

No. of Floors	DCR	Case (A)			Case (B)
No. of Floors	DCR	Int	Ext	Cor	Int	Ext	Cor
6^th	1.25 ~ 1.50	102	28	30	8	16	10
	1.50 ~ 2.0	11	25	29	28	22	23
	> 2.0	28	14	46	0	8	17
	Tot. Col. With DCR > 1	141	67	105	36	46	50
9^th	1.25 ~ 1.50	36	17	25	0	30	42
	1.50 ~ 2.0	0	56	37	56	36	21
	> 2.0	56	24	26	0	22	31
	Tot. Col. With DCR > 1	92	97	88	56	88	94
12^th	1.25 ~ 1.50	0	41	36	28	34	23
	1.50 ~ 2.0	56	33	49	28	28	40
	> 2.0	0	9	4	0	8	6
	Tot. Col. With DCR > 1	56	83	89	56	70	69
15^th	1.25 ~ 1.50	28	44	52	28	35	18
	1.50 ~ 2.0	28	30	34	0	29	50
	> 2.0	0	6	3	0	5	4
	Tot. Col. With DCR > 1	56	80	89	28	69	72