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沥青混合料粗骨料形状指标研究
Study on Shape Indexes of Coarse Aggregate of Asphalt Mixture
【摘要】 粗骨料形状对沥青混合料力学强度有较大的影响,以骨料形状的三个指标为基础进行三轴剪切试验和车辙试验,确定使沥青混合料强度最大的最佳粗骨料形状,可为碎石矿料的生产提供理论依据。
【Abstract】 The shape of coarse aggregate has great influence on the mechanical strength of asphalt mixture.Based on three indexes of aggregate shape,the triaxial shear test and the wheel tracking test can be used to determine the optimum shape of coarse aggregate which makes the strength of asphalt mixture to the greatest value.It can provide theory for production of detritus mine material.
【关键词】 道路工程;
粗骨料形状;
抗剪应力;
动稳定度;
【Key words】 road engineering; shape of coarse aggregate; shear stress; dynamical stability;
【Key words】 road engineering; shape of coarse aggregate; shear stress; dynamical stability;
- 【文献出处】 交通标准化 ,Communications Standardization , 编辑部邮箱 ,2007年07期
- 【分类号】U414
- 【被引频次】5
- 【下载频次】85