Paper Title:
Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture
  Abstract

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.

  Info
Periodical
Advanced Materials Research (Volumes 243-249)
Edited by
Chaohe Chen, Yong Huang and Guangfan Li
Pages
4178-4181
DOI
10.4028/www.scientific.net/AMR.243-249.4178
Citation
S. W. Du, S. S. Li, "Laboratory Evaluation of Warm Stone Matrix Asphalt Mixture", Advanced Materials Research, Vols. 243-249, pp. 4178-4181, 2011
Online since
May 2011
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Price
$32.00
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