A Comparative Field Monitoring of Column Shortenings in Tall Buildings Using Wireless and Wired Sensor Network Systems

Table 1

Basic properties and maximum strains of measured members.

Member	Size (cm)	Rebar ratio (%)	Maximum strain (10^−6)		/
			C1	150 × 43		1.08			0.71
C2	110 × 50	1.13			0.83
C3	110 × 50	1.13			0.78
C4	137 × 58	1.07			0.71
C5	175 × 50	1.06			0.69
C6	90 × 70	1.10			0.90
C7	51 × 190	1.04			0.71
W1	100 × 850	0.38			0.97
W2	50 × 769	0.41			0.80
W3	50 × 320	0.42			0.79