نتایج جستجو برای: rutting susceptibility
تعداد نتایج: 133953 فیلتر نتایج به سال:
Pavement maintenance and repair is a crucial part of pavement management systems. Accurate reliable performance prediction the prerequisite for making reasonable decisions selecting suitable schemes. Rutting deformation, as one most common forms asphalt failures, key index evaluating performance. To ensure accuracy commonly used models, input parameters models need to be understood, coefficient...
طیف تشدید اسپین الکترونی copper dipyridine dichloride (cpc) copper di-4-tert.-butyle-pyridine dicholoride (ctc) اندازه گیری شده است . این سیستم ها از مولکولهای زنجیری خطی با پیوند اسپین نسبتا" بزرگی بین زنجیرها تشکیل شده اند. یک بستگی زاویه ای بصورت تابعی از 4 در محل خطوط تشدید مشاهده گردید. اندازه گیری خودگیری ویژه (susceptibility) جفت شدگی اسپین ها را رد کرد ولی برای تغیر مشاهدات لازم است یک ...
To improve the water damage resistance performance of a tuff asphalt mixture, mixture with cement and liquid anti-stripping agent was used as research object, limestone mixtures without additives were selected contrast samples. Through an improved boiling test stability before after aging, modification effect different types contents on evaluated to obtain appropriate type content additives. On...
To evaluate the influence of vehicle load and driving speed on permanent deformation characteristic asphalt mixture in high temperature rainy areas, Hamburg wheel tracking test was conducted under different conditions by changing load, loading frequency environment. The coupling effect moisture, overload discussed. Meanwhile, three kinds anti-rutting agents commonly used engineering were select...
Rutting, L., J. M. Vervoort, H. Mees, and P. Driessen. 2021. Participatory scenario planning framing of social-ecological systems: an analysis policy formulation processes in Rwanda Tanzania. Ecology Society 26(4):20. https://doi.org/10.5751/ES-12665-260420
aspergillus terreus is emerging as an etiologic agent of invasive aspergillosis among patients undergoing cancer chemotherapy, haematopoetic stem-cell transplantation, or solid organ transplantation worldwide. infections caused by aspergillus terreus has become important due to less susceptibility to antifungal drags, resistant to amphotericin b and therefore, poor clinical outcome and higher m...
Present paper deals with the development of a Mechanistic-Empirical model strain-based design perpetual road pavement using Odemark's principle. The bituminous which can withstand minimum traffic 300 msa has been classified as in this paper. considered three-layered system top layer mix followed by unbound granular materials rest on soil subgrade. constituent thickness determined limiting radia...
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