Influence of Water Pressure on the Mechanical Properties of Concrete after Freeze-Thaw Attack under Dynamic Triaxial Compression State

Table 3

Average ultimate strength of concrete under biaxial compression loading (MPa).

Water pressure	Strain rate
	1 × 10^−5·s^−1	±δ	1 × 10^−4·s^−1	±δ	2 × 10^−4·s^−1	±δ	5 × 10^−4·s^−1	±δ	1 × 10^−3·s^−1	±δ
0	20.98	0.09	24.43	0.02	26.01	0.08	27.55	0.10	29.22	0.16
5	59.42	0.10	61.27	0.13	62.83	0.06	65.03	0.11	66.57	0.11
10	69.64	0.06	71.53	0.11	73.26	0.14	75.09	0.13	76.59	0.20