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首页> 外文会议>Asphalt Rubber 2009 Conference(2009国际橡胶沥青大会） >Research on The Gradation of AR Mixtures Based On GTM
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Research on The Gradation of AR Mixtures Based On GTM

机译：基于GTM的AR混合料级配研究。

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In order to research the gradations and the pavement performance of the rubberasphalt mixtures, it is the first time to use GTM-Gyratory Testing Machine--gyratory compaction moulding method for the mixing ratio design of the rubber-asphalt mixtures in China. Based on this method, research on the continuous-gradation and three kinds of gap gradation mixtures with different through rate of 4. 75mm were carried out systematically. Without considering the volume paramelers, the optimum asphalt content were identified only according to the physical and mechanical parameters, including GSI--gyratory stability index and GSF--gyratory safety factor. On this basis, research the linear expansion of the rubberasphalt mixtures with different gradations and molding modes, and it is proofed that the continuous-gradation rubber-asphalt mixtures can be used based on the GTM design method. Through comprehensive evaluation on the pavement performance, it is effectively proofed that the GTM design method is more appropriate to the continuous-gradation rubber-asphalt mixtures, and designed by which, the pavement performance is much better than that of the gap-gradation mixtures.
机译：为了研究橡胶沥青混合料的级配和铺装性能，在国内首次采用GTM-旋转试验机-旋转压实成型法进行橡胶沥青混合料的配合比设计。在此基础上，系统地研究了通过率分别为4. 75mm的连续级配和三种间隙级配混合物。在不考虑体积调节器的情况下，仅根据物理和机械参数（包括GSI（回转稳定性指标）和GSF（回转安全系数））确定最佳沥青含量。在此基础上，研究了不同级配和成型方式的橡胶沥青混合料的线性膨胀，并证明了基于GTM设计方法可连续使用的橡胶沥青混合料。通过对路面性能的综合评估，有效证明了GTM设计方法更适合于连续级配的橡胶沥青混合料，并通过设计，使路面性能大大优于间隙级混合料。

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