Evaluation of the Floor Acceleration Amplification Demand of Instrumented Buildings

Table 2

Amounts of buildings and earthquake records.

Building type	Height level	# Building	Earthquake record
			PGA ≤0.035	PGA 0.035–0.1	PGA 0.1–0.2	PGA >0.2
Concrete	Lowrise	50	224	55	15	10
	Highrise	20	85	27	7	5
	Skyscraper	2	5	NA	NA	NA
Steel	Lowrise	57	237	44	9	6
	Highrise	34	113	17	7	NA
	Skyscraper	5	19	5	1	NA
Masonry	Lowrise	15	82	19	5	2
Timber	Lowrise	9	47	5	3	1
Total		192	812	172	47	24

Note. “NA” denotes that no data were available.