Experimental Study on Storage Stability of Waste Plastic-modified Asphalt

doi:10.3969/j.issn.1674-0696.2011.05.013

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (5): 943-947.DOI: 10.3969/j.issn.1674-0696.2011.05.013

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Experimental Study on Storage Stability of Waste Plastic-modified Asphalt

XIAO Chuan¹，JIANG Xing-hua²，YANG Xi-wu³，QIU Yan-jun¹

1. School of Civil Engineering，Southwest Jiaotong University，Chengdu 610031，Sichuan，China; 2. China Railway Eryuan Engineering Group Co. ，Ltd. ，Chengdu 610031，Sichuan，China; 3. School of Civil Engineering ＆ Architecture，Chongqing Jiaotong University，Chongqing 400074，China

Revised:2011-05-20 Online:2011-10-15 Published:2015-01-22

废旧塑料改性沥青储存稳定性试验

肖川¹，蒋兴华²，杨锡武³，邱延峻¹

1. 西南交通大学土木工程学院，四川成都610031; 2. 中铁二院工程集团有限责任公司，四川成都610031; 3. 重庆交通大学土木建筑学院，重庆400074

通讯作者: 12/06/2011
作者简介:肖川(1984—)，男，湖南湘潭人，博士生，研究方向为道路路面设计与筑路材料研究。E-mail:xcaaa6666@sina.com。

Abstract

Abstract: According to reasonable preparation technology，the 90# and 70# base asphalt were modified with different types of untreated plastic and treated plastic by tracking． The experimental study on four types of waste plastic-modified asphalt was conducted by optimization segregation test． Finally，the paper made research on mechanism by means of thermal analysis． The result showed that the storage stability of treated plastic-modified asphalt by tracking was superior to untreated plastic-modified asphalt; the evaluation indexes of four types treated plastic-modified asphalt in 8h and 48h segregation test all characterize good storage stability． The findings of the research provided evidences for the popularization and application of domestic waste plastic-modified asphalt．

Key words: road engineering, waste plastic, modified asphalt, segregation test, storage stability, thermal analysis

摘要： 以4 类废旧塑料改性剂与分别经过裂化处理的加工塑料改性剂，采用合理的制备工艺对90#与70#基质沥青进行改性，并采用优化的离析试验分析方法对不同类型废旧塑料改性沥青展开研究，最后基于热分析试验对作用机理进行分析。结果表明: 经裂化处理的加工废旧塑料改性沥青的储存稳定性相比原塑料改性沥青得到明显改善; 4 种通过裂化处理的加工废旧塑料改性沥青经8 h 和48 h 离析以后，评价指标均表征出良好的储存稳定性，为生活废旧塑料改性沥青的推广应用提供了依据。

关键词: 道路工程, 废旧塑料, 改性沥青, 离析试验, 储存稳定性, 热分析

CLC Number:

U414

XIAO Chuan，JIANG Xing-hua，YANG Xi-wu，QIU Yan-jun. Experimental Study on Storage Stability of Waste Plastic-modified Asphalt[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(5): 943-947.

肖川，蒋兴华，杨锡武，邱延峻. 废旧塑料改性沥青储存稳定性试验[J]. 重庆交通大学学报（自然科学版）, 2011, 30(5): 943-947.

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Experimental Study on Storage Stability of Waste Plastic-modified Asphalt

废旧塑料改性沥青储存稳定性试验

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