[1]李晶晶,张擎,陈忠达.水泥路面环氧树脂磨耗层的抗滑衰变模型[J].深圳大学学报理工版,2017,34(No.6(551-660)):597-603.[doi:10.3724/SP.J.1249.2017.06597]
 Li Jingjing,Zhang Qing,and Chen Zhongda.Skid resistance decay model of epoxy wear layer on cement pavement[J].Journal of Shenzhen University Science and Engineering,2017,34(No.6(551-660)):597-603.[doi:10.3724/SP.J.1249.2017.06597]
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水泥路面环氧树脂磨耗层的抗滑衰变模型()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第34卷
期数:
2017年No.6(551-660)
页码:
597-603
栏目:
土木建筑工程
出版日期:
2017-11-20

文章信息/Info

Title:
Skid resistance decay model of epoxy wear layer on cement pavement
文章编号:
201706008
作者:
李晶晶12张擎1陈忠达1
1)长安大学公路学院,陕西西安 710064
2)陕西交通职业技术学院公路与铁道工程学院,陕西西安 710018
Author(s):
Li Jingjing12 Zhang Qing1 and Chen Zhongda1
1) School of Highway, Chang’an University, Xi’an 710064, Shaanxi Province, P.R.China
2) School of Highway and Railway Engineering, Shaanxi College of Communication Technology, Xi’an 710018, Shaanxi Province, P.R.China
关键词:
道路工程水泥路面环氧树脂磨耗层抗滑性能磨耗试验构造深度
Keywords:
road engineering cement pavement epoxy wear layer skid resistance abrasion test tectonic depth
分类号:
U 416.217
DOI:
10.3724/SP.J.1249.2017.06597
文献标志码:
A
摘要:
为了研究水泥路面环氧树脂磨耗层的抗滑衰变规律,制作环氧磨耗层试验板,进行加速磨耗试验,分析骨料用量、改性环氧树脂用量、骨料粒径和施工工艺等因素对抗滑衰变规律的影响,建立不同油石比和荷载作用次数下构造深度(tectonic depth,TD)和摆式摩擦仪表面摩擦系数(british pendulum number,BPN)的抗滑衰变模型,并利用工程实例通车半年后的检测数据对预估模型进行修正.结果表明,随着加载次数增加,不同用量骨料的TD和BPN值均减小,衰变速率随着骨料用量增多而加快,但TD和BPN终值仍然很高;改性环氧树脂用量越大,TD和BPN初值越小,抗滑衰变速率越快,抗滑性能越差,推荐最佳油石比为0.25;骨料粒径越大,TD和BPN初值越大,衰变速率越快,终值反而越小;双层磨耗层施工工艺的抗滑耐久性最佳,单层次之,三层最差;利用修正模型,计算比较1年后磨耗层的抗滑数据与实测值,表明抗滑衰变修正模型适用性良好.
Abstract:
In order to study the skid resistance of modified epoxy wear layer on cement pavement, we construct the test slab of modified epoxy wear and conduct the accelerated wear test. By analysing the effects of factors such as the amount of aggregate, the modified epoxy resin, the size of aggregate and the construction technology, we establish the skid resistance performance model of the tectonic depth (TD) and friction coefficient of british pendulum number (BPN) under different oil-stone ratios and load times and modify the model according to the test data after six months of traffic. The results show that TD and BPN of different aggregates decrease with the loading times. The decay rate increases with the aggregate dosage, while the final TD and BPN values are still high. The larger the amount of modified epoxy resin is and the smaller the initial values of TD and BPN are, the faster the decay rate of skid resistance is and the worse the skid resistance is. The best pitch ratio of 0.25 is recommended. It is also found that the larger the aggregate size is, the greater the initial values of TD and BPN are, the smaller the final values of TD and BPN are. The double-layer epoxy wear course is the best in skid resistance durability, followed by one layer, and epoxy wear course with three layers is the worst. The modified model is used to calculate the skid data of epoxy wear layer after a year, and the results are compared with the measured values, which shows that the modified model of skid resistance is applicable.

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备注/Memo

备注/Memo:
Received:2017-04-20;Accepted:2017-08-10
Foundation:National Natural Science Foundations of China (51508030);Research Project of Transportation Department of Shaanxi Province(14-09K);Research Project of Shaanxi College of Communication Technology (YJ17006)
Corresponding author:Professor Chen Zhongda. E-mail: chzd@chd.edu.cn
Citation:Li Jingjing, Zhang Qing, Chen Zhongda. Skid resistance decay model of epoxy wear layer on cement pavement[J]. Journal of Shenzhen University Science and Engineering, 2017, 34(6): 597-603.(in Chinese)
基金项目:国家自然科学基金资助项目(51508030);陕西省交通运输厅科研资助项目(14-09K);陕西交通职业技术学院科研资助项目(YJ17006)
作者简介:李晶晶(1985—),女,长安大学博士研究生. 研究方向:路面材料与结构. E-mail:lijingjingqi@163.com
引文:李晶晶,张擎,陈忠达.水泥路面环氧树脂磨耗层的抗滑衰变模型[J]. 深圳大学学报理工版,2017,34(6):597-603.
更新日期/Last Update: 2017-10-10