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A platform for research: civil engineering, architecture and urbanism
Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture
Two kinds of warm additives, Sasobit and Evotherm DAT, were used to develop warm stone mastic asphalt (SMA) mixture. The test results showed that compaction temperature of SMA can be decreased by 30-40°C when using Sasobit or Evotherm DAT. Then, to compare the mechanical performance properties of SMA and warm SMAs, mechanical properties of pavement mixture, including Marshall stability, retained Marshall stability, tensile strength ratio, Cantabro loss, rutting dynamic stability and low temperature flexural strength, were tested in laboratory. The results indicated that Sasobit can decrease obviously the moisture resistance ability and low temperature cracking resistance ability of SMA. Therefore, the pavement performance properties of Sasobit warm SMA are inferior to those of Evotherm DAT warm SMA, which has the nearly same performance properties as hot SMA.
Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture
Two kinds of warm additives, Sasobit and Evotherm DAT, were used to develop warm stone mastic asphalt (SMA) mixture. The test results showed that compaction temperature of SMA can be decreased by 30-40°C when using Sasobit or Evotherm DAT. Then, to compare the mechanical performance properties of SMA and warm SMAs, mechanical properties of pavement mixture, including Marshall stability, retained Marshall stability, tensile strength ratio, Cantabro loss, rutting dynamic stability and low temperature flexural strength, were tested in laboratory. The results indicated that Sasobit can decrease obviously the moisture resistance ability and low temperature cracking resistance ability of SMA. Therefore, the pavement performance properties of Sasobit warm SMA are inferior to those of Evotherm DAT warm SMA, which has the nearly same performance properties as hot SMA.
Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture
Advanced Materials Research ; 243-249 ; 4178-4181
2011-05-17
4 pages
Article (Journal)
Electronic Resource
English
Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture
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