Durability Capacity Change of Rubber Powder Composite BRA Modified Asphalt Mixture

Table 6

Strength measurement of freeze-thaw split specimens in each group.

Group		1	2	3	4	5	6
Normal-temperature specimen	Split tensile strength (MPa)	0.385	0.544	0.573	0.518	0.463	0.598
	Maximum load versus strain gauge (mm)	4.05	3.21	3.55	4.11	3.86	4.08
Specimen after freeze-thaw cycle	Split tensile strength (MPa)	0.321	0.483	0.521	0.474	0.415	0.551
	Maximum load versus strain gauge(mm)	3.67	3.26	3.36	3.65	3.78	3.98
Ratio of freeze-thaw splitting tensile strength; Tsr (%)		83.38	88.64	90.93	91.42	89.63	92.14