Research Article
Durability Capacity Change of Rubber Powder Composite BRA Modified Asphalt Mixture
Table 9
Low-temperature splitting test results.
| | Group | 1 | 2 | 3 | 4 | 5 | 6 | | Benchmark mixture | BRA modification | BRA+1# glue powder modification | BRA+2# glue powder modification | BRA+3# glue powder modification | BRA+4# glue powder modification |
| | Low-temperature splitting tensile strength (MPa) | 1.853 | 2.230 | 1.813 | 1.517 | 2.386 | 2.516 | | Compared to benchmark mixture (%) | — | 20.3 | −2.2 | −18.1 | 28.8 | 35.8 | | Deformation (mm) | 3.38 | 3.64 | 4.19 | 3.46 | 3.73 | 3.20 | | Compression modulus (MPa) | 548.33 | 612.25 | 432.56 | 438.13 | 639.47 | 786.18 | | Compared to benchmark mixture (%) | — | 11.7 | −21.1 | −20.1 | 16.6 | 43.4 |
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