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Monitoring and Modeling of Pavement Response and Performance. Task B: New York. Executive Summary Report.
| 题名： | Monitoring and Modeling of Pavement Response and Performance. Task B: New York. Executive Summary Report. |
| 关键词： | executive；monitor；modeling；forman；perform；oring；report；summa；resp；overlay |
| 摘要： | Perpetual asphalt concrete (AC) and long-lasting Portland cement concrete (PCC) pavements are relatively new to the pavement community. These newer pavements require the use of innovative Mechanistic-Empirical (ME) design procedures, advanced climatic models, updated specifications, test methods providing detailed material properties, and construction techniques not been entirely adopted into standard practice. Standard practice for rehabilitating distressed highway pavements generally involves the application of AC overlays. When AC overlays are placed on distressed PCC pavements, slab movements cause stress concentrations to develop at joints and cracks, which often results in premature cracks reflecting up through to the surface at these locations. By breaking PCC slabs into smaller pieces prior to overlay, stresses are reduced by distributing the load over a wider area. Instrumentation installed in these pavement sections will provide data regarding measured responses under known environmental and loading conditions. |
| 报告类型： | 科技报告 |
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