Research Status of Lightweight Aggregate Asphalt Concrete

doi:10.3969/j.issn.1674－0696.2012.supp.1.42

Abstract

Abstract: Asphalt mixture incorporating lightweight aggregate is a low density and high modulus paving mixture，of which rutting resistance，moisture susceptibility and skid resistance were better． However it wasn＇t attached importance to on pavement engineering． The research on the lightweight aggregate asphalt mixture at home and abroad was presented，and the specifications of lightweight aggregate for structure concrete and asphalt concrete pavement were also done． This paper can present some useful reference to paving engineering and researchers．

Key words: lightweight aggregate, asphalt concrete, bridge deck pavement

摘要： 轻集料沥青混合料具有密度低、模量高，及优越的抗车辙性、水稳性和抗滑性等特性，但在实际铺面工程的应用仍处于起步阶段，其工程应用价值没有受到应有的重视。对轻集料沥青混凝土的研究现状进行了分析评价，介绍了国内外结构用轻集料技术要求及有关沥青混凝土用轻集料规范及研究现状，为路面、桥面铺面工程研究人员提供参考。

关键词: 轻集料, 沥青混凝土, 桥面铺装

CLC Number:

U414

Jiang Chenlong，Qian Zhendong，Jia Yanqing. Research Status of Lightweight Aggregate Asphalt Concrete[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(增1): 714-718.

江陈龙，钱振东，贾彦卿. 国内外轻集料沥青混凝土研究现状[J]. 重庆交通大学学报（自然科学版）, 2012, 31(增1): 714-718.

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