硫磺改性沥青混合料的动态模量试验分析
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山东省科技项目(2009Y02)


Dynamic Modulus Test Analysis of Sulfur Modified Asphalt Mixture
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    摘要:

    采用UTM系统对不同硫磺掺量

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    UTM system was used to test asphalt mixtures dynamic modulus with different sulfur contents(by mass).The influences of temperature, loading frequency and sulfur content on the viscoelastic properties of asphalt mixtures were analyzed.The results show that the temperature and loading frequency have the same influence on dynamic modulus of both sulfur modified asphalt mixture and conventional asphalt mixture.The effect of sulfur contents on viscoelastic properties of asphalt mixtures is different.A small quantity of sulfur will increase asphalt mixtures viscosity and temperature sensitivity, but a large quantity of sulfur will increase asphalt mixtures elasticity and reduce temperature sensitivity.

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侯睿,郭忠印.硫磺改性沥青混合料的动态模量试验分析[J].建筑材料学报,2013,(3):525-529

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历史
  • 收稿日期:2011-12-30
  • 最后修改日期:2012-06-01
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  • 在线发布日期: 2013-07-15
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