Road performance of liquid nitrile-butadiene rubber modified unsaturated polyester resin concrete

被引：14
|
作者：
Gao, Yang [1 ,2 ]
Zhang, Hongliang [2 ]
Kang, Haonan [2 ]
Huang, Man [2 ]
Lai, Feng [2 ]
机构：
[1] Taiyuan Univ Technol, Coll Civil Engn, Taiyuan, Shanxi, Peoples R China
[2] Changan Univ, Minist Educ, Key Lab Special Area Highway Engn, Xian, Shaanxi, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 263卷
关键词：
Unsaturated polyester resin; Concrete; Liquid nitrile-butadiene rubber; Initiator; Road performance; POLYMER CONCRETE; MECHANICAL-PROPERTIES; MODIFIED ASPHALT; CURE; BEHAVIOR; DURABILITY; RESISTANCE; MIXTURES; STRENGTH; FIBERS;
D O I：
10.1016/j.conbuildmat.2020.120479
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Unsaturated polyester resin concrete (UPC) is currently gaining attention in many fields due to its functional compressive capacity and corrosion resistance. However, the toughness of UPC is poor due to the weak resistance to the deformation of the cured unsaturated polyester resin (UP). In this paper, the UP was modified with liquid nitrile-butadiene rubber (LNBR) and further used to make concrete. At the same time, two different initiators were used to cure the UPC and LNBR modified UPC. To study the mechanism and road performance of LNBR modified UPC performance, optical microscopy test, Marshall test, water immersion Marshall test, rutting test, freeze-thaw split test, and infrared spectroscopy experiments were carried out. Test results showed that LNBR could effectively improve the low-temperature toughness of UPC. Although LNBR slightly reduced the Marshall stability and rutting resistance of UPC, it hardly changed the water stability of the UPC. LNBR could crosslink with UP to form a joint body, and the amount of initiator may have a more significant impact on the performance of the UPC and LNBR modified UPC. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：13
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