| 沥青混合料抗剪强度影响因素研究 |
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| 引用本文： | 高燕希,曾红雄,张东省.沥青混合料抗剪强度影响因素研究[J].公路交通科技,2009,26(8). |
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| 作者姓名： | 高燕希 曾红雄 张东省 |
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| 作者单位： | 1. 长沙理工大学,交通运输工程学院,湖南,长沙,410076
2. 西安公路研究所,陕西,西安,710068 |
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| 基金项目： | 陕西省交通厅科技项目 |
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| 摘 要： | 针对沥青路面抗剪强度不足而容易导致推移、拥包、车辙等早期病害的现象,基于沥青路面弹性层状理论,通过有限元建立符合实际受力的贯入模型;由单轴贯入试验分别得到不同级配、相同级配有无填加矿粉、不同油石比、不同沥青种类、不同集料类型沥青混合料的最大剪应力并分别结合1组相应的无侧限抗压强度进而计算出材料的c、φ值.通过数据分析后,初步总结出影响沥青混合料抗剪强度变化的一般规律.
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| 关 键 词： | 道路工程 沥青路面 抗剪设计 最大抗剪强度 单轴贯入试验 无侧限抗压强度试验 |
Research on Influencing Factors on Asphalt Mixture Shear Strength |
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| GAO Yanxi,ZENG Hongxiong,ZHANG Dongshen.Research on Influencing Factors on Asphalt Mixture Shear Strength[J].Journal of Highway and Transportation Research and Development,2009,26(8). |
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| Authors: | GAO Yanxi ZENG Hongxiong ZHANG Dongshen |
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| Institution: | 1.School of Transport Engineering;Changsha University of Science & Technology;Changsha Hunan 410076;China;2.Xi'an Research Institute of Highway;Xi'an Shaanxi 710065;China |
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| Abstract: | To cope with the lower shear strength of asphalt pavement leading to early diseases such as slippage,upheaval and rutting,based on asphalt pavement layered elastic theory,the penetration model in line with the actual forcing was established through finite element method.The maximum shear stresses of asphalt mixture with different gradations,same gradation with/without filled mineral fines,different asphalt contents,different asphalt types and different aggregate types were obtained from uniaxial penetration... |
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| Keywords: | road engineering asphalt pavement shear design max shearing strength uniaxial penetration test uneortfined compressive strength test |
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