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首页> 外文会议>Proceedings of the Fifty-fifth annual conference of the Canadian Technical Asphalt Association >Determination of Factors Affecting Shear Testing Performance of AsphaltEmulsion Tack Coats
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Determination of Factors Affecting Shear Testing Performance of AsphaltEmulsion Tack Coats

机译：影响沥青 r n乳胶大衣剪切试验性能的因素的确定

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摘要

Tack coats are relatively thin applications of asphalt emulsion between the layers of a pavement structure.rnTheir main role is to provide adhesion between the pavement lifts, to prevent slippage, and to conferrnadequate layer bonding for consolidating the whole pavement structure.rnA wide variety of bitumen emulsions, spray rates and application techniques are specified worldwide forrnthe construction of tack coats. There seems to be no consensus on how to design tack coat applications andrnthere is not a lot of information about which parameters affect the performance of the finished product andrnto what degree.rnThe current paper describes a newly developed simple test method for measuring the performance of tackrncoats in shear. Using a carefully controlled specimen preparation protocol, the performance of a number ofrncationic and anionic emulsions prepared from asphalt cements of various stiffnesses were evaluated. Anrnarray of application rates and different substrate types were also tested to detect and quantify mainrntendencies, as well as optimum ranges for all the parameters in question. The scope of the study is tornbetter predict the impact of all the described parameters on the field performance of asphalt emulsion tackrncoats.
机译：粘性涂料是在路面结构各层之间使用沥青乳液的相对较薄的应用。它们的主要作用是在路面升降机之间提供附着力，防止打滑并赋予足够的层粘结力以巩固整个路面结构.rn乳胶漆，喷涂速率和施涂技术已在全世界范围内被指定用于建造粘性涂料。关于如何设计粘性涂料的应用似乎尚未达成共识，并且关于哪些参数影响最终产品的性能以及影响程度的信息也很少。目前的论文描述了一种新开发的用于测量粘性涂料性能的简单测试方法。在剪。使用精心控制的标本制备方案，评估了由各种刚度的沥青水泥制备的许多阳离子和阴离子乳液的性能。还测试了施药量和不同基材类型的阵列，以检测和量化维护量以及所有相关参数的最佳范围。研究的范围是更好地预测所有描述的参数对沥青乳液增粘涂料的现场性能的影响。

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