پوشش آسفالت امولسیونی آبگریز
ترجمه نشده

پوشش آسفالت امولسیونی آبگریز

عنوان فارسی مقاله: آماده سازی و خواص ضد یخ زدگی یک پوشش آسفالت امولسیونی آبگریز
عنوان انگلیسی مقاله: Preparation and anti-icing properties of a hydrophobic emulsified asphalt coating
مجله/کنفرانس: مصالح ساختمانی و ساخت و ساز – Construction and Building Materials
رشته های تحصیلی مرتبط: مهندسی عمران
گرایش های تحصیلی مرتبط: مهندسی راه و ترابری
کلمات کلیدی فارسی: پوشش آبگریز، آسفالت امولسیونی آبگریز، ضد یخ زدگی سطح جاده، استحکام اتصال یخ
کلمات کلیدی انگلیسی: Hydrophobic coating، Hydrophobic emulsified asphalt، Road surface anti-icing، Ice bonding strength
نوع نگارش مقاله: مقاله پژوهشی (Research Article)
نمایه: Scopus – Master Journals List – JCR
شناسه دیجیتال (DOI): https://doi.org/10.1016/j.conbuildmat.2019.06.021
دانشگاه: Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an City 710064, PR China
ناشر: الزویر - Elsevier
نوع ارائه مقاله: ژورنال
نوع مقاله: ISI
سال انتشار مقاله: 2019
ایمپکت فاکتور: 4.686 در سال 2018
شاخص H_index: 129 در سال 2019
شاخص SJR: 1.522 در سال 2018
شناسه ISSN: 0950-0618
شاخص Quartile (چارک): Q1 در سال 2018
فرمت مقاله انگلیسی: PDF
تعداد صفحات مقاله انگلیسی: 14
وضعیت ترجمه: ترجمه نشده است
قیمت مقاله انگلیسی: رایگان
آیا این مقاله بیس است: خیر
آیا این مقاله مدل مفهومی دارد: ندارد
آیا این مقاله پرسشنامه دارد: ندارد
آیا این مقاله متغیر دارد: ندارد
کد محصول: E12389
رفرنس: دارای رفرنس در داخل متن و انتهای مقاله
فهرست انگلیسی مطالب

Abstract


1-Introduction


2-Materials and methods of experiment


3-Results and discussion


4-Conclusion


Declaration of Competing Interest


Acknowledgements


References

نمونه متن انگلیسی مقاله

Abstract


Icing on asphalt pavement may lead to potential hazards for driving safety. To reduce the security risk, this paper aims at preparing a hydrophobic emulsified asphalt coating on asphalt pavement by adding a hydrophobic agent (HPA, Polytetrafluoroethylene powder) to emulsified asphalt. Considering the factors influencing hydrophobic effect, such as roughness of hydrophobic agent, dosage and incorporation method, the ice-repellency of hydrophobic emulsified asphalt coating was characterized by means of contact angle. It was found the hydrophobic properties of emulsified asphalt were significantly affected by roughness, dosage and incorporation methods of HPA and the highest contact angle was 94.3 when the HPA with 1250 meshes and dosage of 15% was added by the external addition method. Through the interlayer shear test and the indoor anti-icing test, hydrophobic asphalt pavement could reduce the bond strength between pavement and ice so that the ice layer could be easily broken and cleared, and the bond strength could be reduced by about 40% at 0.3 kg/m2 dosage of hydrophobic emulsified asphalt. It was proved that the skid resistance performance of the hydrophobic emulsified asphalt coating could conform to the requirements of the specification. The addition of interfacial agent can significantly improve the adhesion between emulsified asphalt and aggregates. These findings demonstrated the potential of using hydrophobic emulsified asphalt coating on highways in adverse weather to provide better anti-icing performance and contribute to traffic safety in winter.


Introduction


After the rain and snow in winter, the accumulated water or snow on asphalt pavement is easy to freeze in the lowtemperature environment, resulting in a sharp decline in the anti-skidding performance of the pavement [1]. On the pavement with ice and snow, the emergency braking distance is greatly increased which poses a serious threat to the safety of life and property of pedestrians and vehicles even causes serious traffic congestion inducing a series of traffic accidents [2]. In view of the icing problems on asphalt pavements, the frequently-used methods of removing ice currently include artificial mechanical snow removal, spraying chloride ice-melting agents, thermal melting technology include microwave heating, thermal cables, solar energy collection technology, and electrically conductive pavements [3–۱۱]. Nevertheless, the methods above will either aggravate pollutants, corrode metal structures, reduce the performance of asphalt binders or be quite expensive. A large number of literatures have shown that hydrophobic surfaces have good hydrophobic and anti-icing properties [12,13]. The larger contact angle and the smaller wetting lag angle can effectively make the droplets rolling and sliding on the surface of the object, thus making it difficult to freeze.

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