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首页> 美国政府科技报告 >Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content.
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Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content.

机译：改进混合设计，评估和材料管理实践的高混合沥青与高再生沥青路面含量。

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摘要

Recycling of asphalt pavements is one of the great success stories of the highway building industry. Although the use of recycled asphalt in new pavements dates back almost 100 years, it did not become a common practice until the late 1970s when asphalt binder prices skyrocketed as a result of the Arab oil embargo. Highway agencies and the asphalt paving industry worked together to develop recycling methods that became part of routine operations for pavement construction and rehabilitation. Motivations for asphalt pavement recycling have always included economic savings and environmental benefits. Economic benefits include materials cost savings from reducing the amount of virgin aggregates and binders in new mixtures, as well as reduced costs associated with transporting virgin materials to plant sites. Environmental benefits include reduced emissions and fuel usage associated with extraction and transportation of virgin materials, reduced demands on non-renewable resources, and reduced landfill space for disposal of used pavement materials.

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