[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)):562-568.
 Li Jingjing,Zhang Qing,and Chen Zhongda.Skid resistance performance model of epoxy wear layer for cement pavement[J].Journal of Shenzhen University Science and Engineering,2017,34(No.6(551-660)):562-568.
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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:
562-568
栏目:
土木建筑工程
出版日期:
2017-11-30

文章信息/Info

Title:
Skid resistance performance model of epoxy wear layer for cement pavement
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
Keywords:
road engineering cement pavement epoxy wear layer skid resistance abrasion test
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,成型环氧磨耗层试验板,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(TD)和摩擦系数(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终值仍然要高;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,并推荐出最佳油石比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;利用修正模型计算一年后磨耗层的抗滑数据与实测值进行比较,表明抗滑衰变修正模型适用性良好.
Abstract:
In order to study the skid resistance performance of modified epoxy wear layer for cement pavement, the test slab of modified epoxy wear was made, and the accelerated wear test was done. The effects of factors such as the amount of aggregate, the modified epoxy resin, the size of aggregate and the construction technology were analyzed. The skid resistance performance model of the tectonic depth(TD) and friction coefficient(BPN) under different oil-stone ratio and load times were established, and it was modified by the test data after six months.The results have show that TD and BPN of different aggregates are reduced by the increase of loading times, and the decay rate increases with the increase of aggregate dosage, but the final TD and BPN values are still high. The larger amount of modified epoxy resin, the smaller initial value of TD and BPN, the faster decay rate of skid resistance, the worse skid resistance, and then the best pitch ratio of 0.25 is recommended. The larger aggregate size, the greater initial value of TD and BPN, the smaller final value. The best skid resistance durability of construction technology of epoxy wear layer is double layer, the second is one layer, the worst is three layer. The skid data of epoxy wear layer is calculated by using the modified model, it is compared with the measured value after one year, and it shows that the correction model of skid resistance has good applicability.

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更新日期/Last Update: 2017-10-10