Influence of Aggregates Shape on Porous Asphalt Mixture

IF 3.1 Q2 CONSTRUCTION & BUILDING TECHNOLOGY
Nicole Liew Siaw Ing, C. M. Ng, Nur Syamimi Nabillah Binti Mohd Sori, R. Putra Jaya, K. Masri
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引用次数: 0

Abstract

Porous asphalt (PA) is a porous pavement layer made of an open graded aggregate that has a lot of linked air voids. The technical qualities and performance of PA are heavily influenced by the aggregate shape and surface roughness. Granite aggregate was use in this research to study the effect of aggregate shape on volumetric and mechanical properties of porous asphalt mixture and to evaluate the quality of aggregate shape of porous asphalt mixture (PAM) in relation to aggregate shape. To classify the aggregate size, sieve analysis was carried out and followed by flakiness and elongation index test. Marshall stability test and resilient modulus test were conducted to study the behavior of PAM by replacing different shape of aggregate. Based on the result cubical shaped aggregates are more recommended to be use in PAM, due to the strength is higher than the conventional PA.
集料形状对多孔沥青混合料性能的影响
多孔沥青(PA)是一种由开放的级配骨料制成的多孔路面层,具有许多相连的空隙。聚碳酸酯的工艺质量和性能受集料形状和表面粗糙度的影响较大。以花岗岩骨料为研究对象,研究了骨料形状对多孔沥青混合料体积性能和力学性能的影响,并从骨料形状的角度评价了多孔沥青混合料的骨料形状质量。采用筛分法对骨料粒度进行分级,然后进行片状度和伸长率试验。通过马歇尔稳定性试验和弹性模量试验,研究了聚丙烯酰胺替代不同形状骨料的性能。结果表明,由于立方体骨料的强度高于常规聚酰胺,因此更推荐在聚丙烯酰胺中使用。
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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来源期刊
Construction Innovation-England
Construction Innovation-England CONSTRUCTION & BUILDING TECHNOLOGY-
CiteScore
7.10
自引率
12.10%
发文量
71
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