| 贵隆高速公路含方解石石灰岩沥青混合料性能及应用研究 |
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| 引用本文： | 黄耀,朱双.贵隆高速公路含方解石石灰岩沥青混合料性能及应用研究[J].广州航海高等专科学校学报,2020,28(1):58-61. |
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| 作者姓名： | 黄耀 朱双 |
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| 作者单位： | 中交第四航务工程局有限公司 总承包分公司,广东 广州510280,中交第四航务工程局有限公司 总承包分公司,广东 广州510280 |
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| 摘 要： | 广西地区方解石广泛的分布于石灰岩中,为论证石灰岩中方解石含量对沥青混合料性能影响以及在贵隆高速沥青路面中下面层的合理利用含方解石石灰岩集料,文章对不同方解石含量石灰岩集料的压碎值、高温压碎值以及软弱颗粒含量进行试验检测.同时采用车辙试验、浸水马歇尔试验和冻融劈裂试验验证含方解石石灰岩沥青混合料AC-20C的高温稳定性、水稳定性能.
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| 关 键 词： | 沥青混合料 方解石 石灰岩 性能 应用研究 |
Study on Properties and Application of Calcite Limestone Asphalt Mixture in Guilong Expressway |
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| HUANG Yao,ZHU Shuang.Study on Properties and Application of Calcite Limestone Asphalt Mixture in Guilong Expressway[J].Journal of Guangzhou Maritime College,2020,28(1):58-61. |
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| Authors: | HUANG Yao ZHU Shuang |
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| Institution: | (The General Contracting Company of CCCC fourth Harbor Engineering Co. ,Ltd,Guangzhou Guangdong 510290,China) |
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| Abstract: | The calcite in Guangxi area is widely distributed in limestone,which is to demonstrate the influence of calcite content on the performance of asphalt mixture and the rational use of calcite limestone aggregate in the lower layer of Guilong high-speed asphalt pavement.The paper samples the limestone aggregates with different calcite content.The crush value of the material,the high temperature crush value and the weak particle content.At the same time,the high temperature stability and water stability of calcite limestone asphalt mixture AC-20C were verified by rutting test,water immersion Marshall test and freeze-thaw splitting test. |
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| Keywords: | asphalt mixture calcite limestone performance |
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