Performance evaluation of new waterborne epoxy resin modified emulsified asphalt micro-surfacing

被引：53
|
作者：
Liu, Mengmei [1 ,2 ]
Han, Sen [1 ,2 ]
Wang, Zhaoyu [3 ]
Ren, Wanyan [1 ,2 ]
Li, Wei [1 ,2 ]
机构：
[1] Changan Univ, Key Lab Special Area Highway Engn, Minstry Educ, Xian, Shaanxi, Peoples R China
[2] Changan Univ, Pavement Res Ctr, Xian, Shaanxi, Peoples R China
[3] China Railway Eryuan Engn Grp, Chengdu, Sichuan, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 214卷
基金：
中国国家自然科学基金;
关键词：
Micro-surfacing; Waterborne epoxy resin; Skid resistance; Bonding; Rutting resistance; Durability; SBR MODIFIED ASPHALT; SKID RESISTANCE; BEHAVIOR; RUBBER;
D O I：
10.1016/j.conbuildmat.2019.04.107
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Micro-surfacing is an available choice for pavement preventive maintenance. This paper introduced a new micro-surfacing using developed Waterborne Epoxy Resin (WER) modified emulsified asphalt to overcome the common distress, such as abrasion, rutting, ravelling and poor durability. The skid resistance, bonding, rutting and wear performances of different formulations of the proposed micro-surfacing materials were compared with Styrene Butadiene Rubber (SBR) modified micro-surfacing by load wheel tests, wet track abrasion tests, skid resistance tests, load wheel tracking tests, cantabro tests and accelerated loading tests. Results indicated that WER could improve the early pavement performance of micro-surfacing significantly, especially their bonding and rutting resistance. WER also produced improved durability performance. The damage in the critical condition of water immersion, freeze-thaw and heavy traffic was alleviated greatly by the use of WER. Therefore, it can be concluded that WER modified emulsified asphalt is a good binder for micro-surfacing. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：93 / 100
页数：8
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