Abstract
The high-strength powder colored asphalt was studied by sieve analysis, density and cone penetration test in order to study technical performance. Secondly, the mixing process of colored asphalt mixture was put forward through the Marshall Compaction test. The best whetstone of the colored asphalt mixture was determined by Marshall Test design method. Finally, the variation of pavement performance for colored asphalt was analyzed by the rutting test, immersion Marshall Test split and freeze-thaw test and low-temperature bending test. The results showed: the high temperature performance of colored asphalt mixture was outstanding, but the low temperature performance was lower. Therefore the high-strength powder colored asphalt mixture is suitable to be used in high temperature areas.
Highlights
The colored asphalt concrete pavement is studied in Europe and other developed countries from the 1950s, and the application is gradually expanded [1], [2]
Most southern coastal areas have relatively developed economy, big volume of transportation, more traffic accidents, coupled with sustained high temperatures all year round; above all, the desired material requirements is relatively high, tending to high hardness, high viscosity, which is conducive to resolving early disease pavement occurred
The technical performance of high viscosity color binders will be analyzed by the laboratory tests in this paper based on the colored asphalt from Shenzhen Co., Ltd
Summary
The colored asphalt concrete pavement is studied in Europe and other developed countries from the 1950s, and the application is gradually expanded [1], [2]. The colored asphalt paving technology begins with the early 1980s, and the efficiency is rarely, especially the road engineering applications. Most southern coastal areas have relatively developed economy, big volume of transportation, more traffic accidents, coupled with sustained high temperatures all year round; above all, the desired material requirements is relatively high, tending to high hardness, high viscosity, which is conducive to resolving early disease pavement occurred. The high-viscosity, high-strength colored asphalt is rarely used in road construction, belonging to the new material; there are no uniform technical indicators. This kind of colored asphalt performance would be studied from high temperature stability, water stability and low temperature crack resistance, comparing with SBS I-C modified asphalt mixture performance
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