| 沥青混合料四点弯曲疲劳试验方法及夹具改进 |
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| 引用本文： | 虞将苗,张肖宁.沥青混合料四点弯曲疲劳试验方法及夹具改进[J].公路,2011(3):132-136. |
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| 作者姓名： | 虞将苗 张肖宁 |
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| 作者单位： | 华南理工大学土木与交通学院,广州市,510641 |
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| 基金项目： | 交通部西部重大科技项目;项目编号200831800099，国家自然科学基金项目;项目编号50878090 |
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| 摘 要： | 综合介绍了沥青混合料四点弯曲小梁试件疲劳试验方法.在开展了近千次沥青混合料四点弯曲疲劳试验的基础上,分析评价了夹具的设计、疲劳试件的制备、疲劳试验的控制等环节中可能存在的影响沥青混合料四点弯曲疲劳试验结果的因素.并提出了保证和提高四点弯曲疲劳试验结果精确性的操作方法与相关建议.
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| 关 键 词： | 沥青混合料 四点弯曲 疲劳试验 试验精度 夹具设计 |
Test Method of Four-Point Bending Fatigue for Asphalt Mixtures and Modification of Test Frame |
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| YU Jiang-miao,ZHANG Xiao-ning.Test Method of Four-Point Bending Fatigue for Asphalt Mixtures and Modification of Test Frame[J].Highway,2011(3):132-136. |
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| Authors: | YU Jiang-miao ZHANG Xiao-ning |
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| Institution: | YU Jiang-miao,ZHANG Xiao-ning (School of Civil Engineering & Transportation,South China University of Technology,Guangzhou 510641,China) |
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| Abstract: | Four-point bending beam fatigue test for asphalt mixtures is introduced in this paper.According to the experience of hundreds of four-point fatigue tests,the factors may affect the accuracy of test results are analyzed during the processes of test frame design,specimen preparation,and test control.The operation methods for improving the accuracy of four-point bending beam test results are suggested. |
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| Keywords: | asphalt mixtures four-point bending fatigue test test accuracy test frame design |
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