Evaluation of limestone crushed dust aggregates in hot mix asphalt

被引：3

作者：

Honorio de Assis, Sergio Ricardo ^{[1
]}

de Queiroz, Bismak Oliveira ^{[1
]}

Araujo, Carla Cavalcante ^{[2
]}

Felix Nunes, Kildenberg Kaynan ^{[2
]}

de Melo, Ricardo Almeida ^{[2
]}

de F. Lopes Lucena, Leda Christiane ^{[3
]}

机构：

[1] Univ Fed Paraiba, Postgrad Course Civil & Environm Engn, Campus 1 Castelo Branco, BR-58051900 Joao Pessoa, Paraiba, Brazil

[2] Univ Fed Paraiba, Dept Civil & Environm Engn, Campus 1 Castelo Branco, BR-58051900 Joao Pessoa, Paraiba, Brazil

[3] Univ Fed Campina Grande, Dept Civil Engn, Campina Grande, PB, Brazil

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 148卷

关键词：

Hot mix asphalt; Limestone; Aggregates; Crushed dust; Filler; Surface course; FLOW NUMBER; PERFORMANCE; MIXTURES; BASALT; DAMAGE;

D O I：

10.1016/j.conbuildmat.2017.05.107

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The growing demand for aggregates in highway infrastructure makes necessary to search local materials. The objective was to evaluate the inclusion of limestone aggregates in hot mix asphalt mixtures, through laboratory tests. The HMA mixtures were designed by Marshall and Superpave and submitted to indirect tensile-strength, resilient modulus, moisture damage and Flow Number. It was found that HMA mixtures with limestone showed better mechanical behavior, contributed for stiffness and gain of mechanical resistance, mainly to permanent deformation. Relative to moisture damage results, all mixtures were susceptible to water, but even so are technically viable for use in surface courses. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：659 / 665

页数：7

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