The research of durability of asphalt concrete bridge deck with little polyester fiber content in cold regions

被引：0
作者：
Liu X. [1 ]
Yu X.M. [2 ]
Xu C. [3 ]
Chu J.W. [1 ]
机构：
[1] Northeast Forestry University School of Traffic and Transportation, Harbin
[2] Northeast Forestry University, Harbin
[3] Heilongjiang Highway Survey and Design Institute, Harbin
来源：
Liu, Xiu (liuxiu@nefu.edu.cn) | 1600年 / Trans Tech Publications Ltd卷 / 852期
关键词：
Asphalt concrete; Bridge deck pavement; Cold region; Pavement performance; Polyester fiber;
D O I：
10.4028/www.scientific.net/KEM.852.41
中图分类号：
学科分类号：
摘要：
In this paper, the common diseases about bridge deck pavement of the completed highway in Heilongjiang province have been made practical investigation and analyze why these diseases happen. It also combines the climate features in north cold areas, from the way of using High quality modified asphalt, reducing the catalytic point temperature of pitch to improve the low temperature anti-crack property, using high strength coarse and fine aggregate, adjusting gradation of mixture aggregate and the ratio of oil to stone to improve temperature and water stability and durability for Concrete pavement project of Nao Li river bridge connected Jian San river with Hu Lin highway .From trabecular bending test, Freeze-thaw splitting test, Rutting test and Immersion Marshall test, that compares different influence research on pavement performance of bridge with Bitumen concrete bridge deck which have different polyester fiber content. The experimental result indicates the proportion of polyester fiber can clearly ameliorate the temperature stability, hypothermia anti-cracking performance and water stability of Asphalt. And within a certain range of polyester fiber content, various road performances will be improved with the increasing of polyester fiber content, and on this basis, the optimum polyester fiber content is raised. © 2020 Trans Tech Publications Ltd, Switzerland.
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页码：41 / 48
页数：7
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