Research Concerning The Distribution of Temperature in Asphalt Mixtures with The Help of Thermo-Physical Characteristics for Laboratory Tests

IF 0.1 Q4 ENGINEERING, CIVIL Romanian Journal of Transport Infrastructure Pub Date : 2016-12-01 DOI:10.1515/rjti-2016-0046
P. Marc, C. Costescu
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Abstract

Abstract The characterization of the material through laboratory tests performed on asphalt mixtures offers significant performance predictions for asphalt pavements only when the material temperature is correctly taken into consideration. This paper presents an analytical pattern which, based on the thermo-physical characteristics, can predict correctly the distribution of temperatures in the mass of asphalt mixtures. The paper also presents the organizational structure of laboratory testing, designed to validate the model for temperature determination. The temperature measurements are realized on a range of cylindrical samples at different moments in time, after submitting the sample from a low balance condition to a high balance condition by placing it in the environment precinct, according to the future test. In conclusion, the paper aims at realizing and developing a model as a practical instrument able to offer a reliable assessment concerning the time required in order to reach the testing temperature specified for the samples of asphalt mixtures for different laboratory trials.
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基于热物理特性的沥青混合料温度分布研究
通过对沥青混合料进行的实验室试验对材料进行表征,只有在正确考虑材料温度的情况下,才能对沥青路面的性能进行重要的预测。本文提出了一种基于热物理特性的解析模式,可以正确地预测沥青混合料质量中的温度分布。本文还介绍了实验室测试的组织结构,旨在验证该模型的温度测定。根据未来的测试,在将样品从低平衡状态提交到高平衡状态后,通过将其放置在环境区,在不同的时刻对一系列圆柱形样品进行温度测量。总之,本文旨在实现和开发一种模型,作为一种实用的仪器,能够提供可靠的评估时间,以达到沥青混合料样品在不同的实验室试验中规定的测试温度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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审稿时长
10 weeks
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