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首页> 外文期刊>Transportation Research Record >Comparison of Performance and Cost Between Superpave and Conventional Hot-Mix Asphalt in Washington State
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Comparison of Performance and Cost Between Superpave and Conventional Hot-Mix Asphalt in Washington State

机译：华盛顿州Superpave与常规热拌沥青的性能和成本比较

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摘要

The Washington State Department of Transportation (WSDOT) began using Superpave~(~R) in 1996 and has increased the number of projects each year, totaling approximately 1.9 million tonnes (2.1 million tons) and covering 1,753 lane kilometers (1,089 lane miles). After the Super-pave projects had been in place for a maximum of 6 years, an evaluation of the field performance, unit prices, and costs per lane kilometer were compared with WSDOT's conventional hot-mix asphalt (HMA). Although none of the Superpave projects have reached the end of their performance life, the purpose of this limited study is to answer the question, Is Superpave performing as well as conventional HMA in Washington State? The data presented show that, in most cases, Superpave is performing as well as, or better than, conventional HMA and the cost is approximately the same.
机译：华盛顿州交通部（WSDOT）从1996年开始使用Superpave〜（〜R），并且每年增加项目数量，总计约190万吨（210万吨），覆盖1,753车道公里（1,089车道英里）。在Super-pave项目最长进行了6年之后，将对田间性能，单位价格和每车道公里成本的评估与WSDOT的常规热拌沥青（HMA）进行了比较。尽管没有一个Superpave项目达到其使用期限，但这项有限的研究的目的是回答以下问题：Superpave在华盛顿州的性能是否与传统的HMA一样？所提供的数据表明，在大多数情况下，Superpave的性能与常规HMA相同，甚至更好，并且成本大致相同。

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