废轮胎橡胶对热混合沥青力学性能的影响

Revista ALCONPAT Pub Date : 2022-09-01 DOI:10.21041/ra.v12i3.575

Camila G. Luz Nunes, Pedro Henrique Dos Santos Pereira, Ricardo Almeida de Melo, J. K. Guedes Rodrigues, Leda Christiane de Figueiredo Lopes Lucena

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引用次数: 1

摘要

本研究旨在利用沥青橡胶优化热混合沥青的生产。为此，对不同粘结剂生产的沥青混合料的力学性能进行了评价:商用沥青橡胶(AR08)， 10%的沥青碎橡胶(AR10)和15%的沥青碎橡胶(AR15)，以及常规沥青(PEN 50-70)。对于这些混合料的组成，马歇尔设计确定了最佳沥青含量。为了进行力学测试，用Marshall和Superpave压实机对试件进行了测试。结果表明，经Superpave压实的AR08和AR10沥青混合料具有最佳的力学性能。然而，AR08粘结剂已经在市场上出售，这有利于其在铺路工程中的使用

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Influence of unserviceable tires’ rubber on the mechanical performance of hot mix asphalt

This work aimed to optimize the production of hot mix asphalt (HMA) from the use of asphalt-rubber. For that, the mechanical performance of asphalt mixtures produced with different binders was evaluated: commercial asphalt-rubber (AR08), asphalt crumb rubber 10% (AR10) and 15% (AR15), and conventional asphalt (PEN 50-70). For the composition of these mixtures, the optimum asphalt contents were defined by the Marshall design. To carry out the mechanical tests, specimens molded with Marshall and Superpave compactors were tested. From the results obtained, it was verified that AR08 and AR10 asphaltic mixtures, compacted with Superpave, carried out the best mechanical performance. However, the AR08 binder is already available on the market, which facilitates its usage in paving works

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来源期刊

Revista ALCONPAT

CiteScore

0.30

自引率

0.00%

发文量