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Comparison of Semi-Circular Bending and Indirect Tensile Strength Tests for HMA Miztures
| 题名： | Comparison of Semi-Circular Bending and Indirect Tensile Strength Tests for HMA Miztures |
| 正文语种： | 中文 |
| 作者： | Huang aoshan Shu Xiang |
| 作者单位： | epartment of Gvil and Environmental Engineering,The University of Tennessee,Knoxvtlle,TN 37996 epartment of ivil and Environmental Engineering,The University of Tennessee,Knoxville,TN 37996 |
| 关键词： | 道路工程 沥青路面 公路设计 路面结构 |
| 摘要： | This paper presents the comparison between the results of the Semi-Circular Bending (SCB) test and that of the Indirect Tensile (IDT) test in characterizing the tensile strength of hot-mix asphalt (HMA) mixtures. Analytical and numerical simulations were employed to in terpret the experimental results. The IDT test, a standard test method of AASHTO and ASTM, is adopted by most state highway agencies. Despite its broad usage and many advantages, the permanent deformation under the loading strips is undesirable and in some cases unbearable for the evaluation of the cracking potential of asphalt mixes. The SCB test could significantly re duce the loading strip-induced permanent deformation and thus it is more suitable than IDT for evaluating tensile properties of HMA mixtures. The results from this study indicated that SCB and IDT tests were fully comparable and convertible. |
| 会议日期： | 20050625 |
| 会议举办地点： | 西安 |
| 会议名称： | 第五届交通运输领域国际学术会议 |
| 出版日期： | 2005-06-25 |
| 母体文献： | 第五届交通运输领域国际学术会议论文集 |
| 分类号： | U412.366 U416.217 |
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