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A Mechanistic–Empirical Model for Top–Down Cracking of Asphalt Pavements Layers
| 题名： | A Mechanistic–Empirical Model for Top–Down Cracking of Asphalt Pavements Layers |
| 责任者： | National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program; Robert L. Lytton; Xue Luo; Meng Ling; Yu Chen; Sheng Hu; Fan Gu |
| 关键词： | Transportation and Infrastructure — Construction Transportation and Infrastructure — Design Transportation and Infrastructure — Maintenance and Preservation Transportation and Infrastructure — Materials Transportation and Infrastructure — Pavements |
| 学科分类： | 暂无分类 |
| 摘要： | TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 257: A Mechanistic–Empirical Model for Top–Down Cracking of Asphalt Pavements Layers develops a calibrated mechanistic-empirical (ME) model for predicting the load-related top-down cracking in the asphalt layer of flexible pavements. Recent studies have determined that some load-related fatigue cracks in asphalt pavement layers can be initiated at the pavement surface and propagate downward through the asphalt layer. However, this form of distress cannot entirely be explained by fatigue mechanisms used to explain cracking that initiates at the bottom of the pavement. This research explores top-down cracking to develop a calibrated, validated mechanistic-empirical model for incorporation into pavement design procedures. |
| 出版机构： | Transportation Research Board |
| 提交日期： | 2018 |
| 报告类型： | 科技报告 |
| 资源类型： | 科技（咨询、行业）报告 |
| 初始创建时间： | 2018 |
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