Compression Performance of Newly Designed Replaceable Tubular Steel Piers

Table 2

Test results of steel material specimens.

Label of material specimens		Thickness (mm)	Yield strength (MPa)	Tensile strength (MPa)	Rate of elongation (%)
8 mm	Q345-1	8.0	323	408	14.5
	Q345-2	7.7	357	448	17.3
	Q345-3	7.7	355	453	15.3
	Average	7.8	345	436	15.7
	Standard deviation	0.141	15.578	20.138	1.178
14 mm	Q345-1	13.8	355	466	18.5
	Q345-2	14.1	360	468	17.6
	Q345-3	14.1	378	492	16.3
	Average	14.0	364	475	17.5
	Standard deviation	0.141	9.877	11.813	0.903
10 mm	LYP100-1	10.2	149	254	33.1
	LYP100-2	9.9	160	253	24.3
	LYP100-3	9.8	152	268	27.8
	Average	10.0	154	258	28.4
	Standard deviation	0.170	4.643	6.848	3.618
10 mm	LYP160-1	10.1	162	249	30.7
	LYP160-2	10.1	160	248	34.4
	LYP160-3	9.8	175	266	35.1
	Average	10.0	166	254	33.4
	Standard deviation	0.141	6.650	8.260	1.930