Investigations of Dynamic Mechanical Performance of Rubber Concrete under Freeze-Thaw Cycle Damage

Table 3

Test results of rubber concrete under freeze-thaw cycle.

Number	Average strain rate (s^−1)	Specimen height (mm)	Diameter (mm)	Dynamic compressive strength (MPa)	Dynamic ultimate strain (10^−3)	Static average strength (MPa)	DIF	Absorption energy (J)
XJ-0-0.3	72.3	36.98	74.12	37.5	19.8	31.5	1.19	24.7
XJ-0-0.4	96.7	37.02	73.56	45.7	21.6		1.45	33.8
XJ-0-0.5	124.6	36.38	73.98	57.3	23.3		1.82	49.7
XJ-0-0.6	151.7	37.72	74.00	70.6	24.1		2.24	61.6
XJ-25-0.3	78.1	37.78	73.78	31.2	21.5	25.8	1.21	19.5
XJ-25-0.4	99.6	37.01	73.78	36.4	22.5		1.41	28.4
XJ-25-0.5	127.1	36.02	73.97	44.1	24.1		1.71	40.6
XJ-25-0.6	155.4	37.18	73.89	52.9	24.6		2.05	53.5
XJ-50-0.3	74.6	36.78	74.34	25.8	22.1	22.4	1.15	18.6
XJ-50-0.4	102.6	37.16	74.21	31.6	23.1		1.41	26.7
XJ-50-0.5	128.7	37.32	73.42	36.3	24.8		1.62	37.8
XJ-50-0.6	156.3	37.67	74.22	44.4	25.7		1.98	52.1
XJ-75-0.3	77.4	36.76	73.98	24.2	22.6	20.7	1.17	16.7
XJ-75-0.4	99.2	36.59	73.78	27.9	23.9		1.35	28.3
XJ-75-0.5	130.9	37.18	74.57	34.0	25.5		1.64	33.8
XJ-75-0.6	154.3	37.38	74.25	38.1	26.7		1.84	49.3
XJ-100-0.3	73.2	37.25	74.06	22.3	22.5	18.6	1.20	14.1
XJ-100-0.4	95.6	36.87	74.10	25.7	24.8		1.38	23.6
XJ-100-0.5	133.5	36.77	74.02	29.8	26.1		1.60	29.5
XJ-100-0.6	158.2	36.85	74.06	33.5	27.5		1.80	40.2
XJ-125-0.3	74.4	37.08	73.95	21.7	23.3	17.9	1.21	15.3
XJ-125-0.4	98.2	37.42	73.92	27.4	25.5		1.53	25.1
XJ-125-0.5	129.6	37.30	74.11	29.2	26.7		1.63	28.9
XJ-125-0.6	157.7	37.05	74.15	31.9	27.9		1.78	35.7

Note. XJ-0-0.3 in XJ means rubber concrete, 0 means the number of freeze-thaw cycles is 0, 0.3 means the air pressure is 0.3 MPa.