Study on the Response of Staggered Floor Isolated Structures in Mountainous Areas under Three-Dimensional Earthquakes

Table 1

Comparison table of base shear values.

Time history curve		Time history analysis		Mode response spectrum analysis		Ratios
		-direction (kN)	-direction (kN)	-direction (kN)	-direction (kN)	-direction (%)	-direction (%)
Model a	CPC	35933	27981	40128	32474	89.55%	86.16%
	PEL	34417	26018	40128	32474	85.77%	80.12%
	REN	40534	32674	40128	32474	101.01%	100.62%
	Average	36961	28891	40128	32474	92.11%	88.97%
Model b	CPC	46860	38297	45969	37284	101.94%	102.72%
	PEL	34240	28678	45969	37284	74.49%	76.92%
	REN	32966	26555	45969	37284	71.71%	71.22%
	Average	38022	31177	45969	37284	82.71%	83.62%
Model c	CPC	31643	28916	31915	31265	99.15%	92.49%
	PEL	34925	25952	31915	31265	110.37%	89.75%
	REN	32247	28687	31915	31265	92.33%	110.54%
	Average	32938	27852	31915	31265	102.14%	97.09%