Effect of Emulsified Asphalt Content on Creep Behavior and Mechanical Properties of Cold Recycled Emulsified Asphalt Bases
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 45
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شناسه ملی سند علمی:
JR_CIVLJ-9-4_007
تاریخ نمایه سازی: 23 شهریور 1403
چکیده مقاله:
Since the beginning of the ۲۱st century, the rapid development of road infrastructure has facilitated enhanced mobility and accessibility that has caused environmental degradation due to the continuous extraction of natural aggregates. To address this increasing problem, recycled aggregates and Reclaimed Asphalt Pavement (RAP) materials have been utilized in road construction worldwide. The studies related to various emulsified asphalt contents on permanent deformation and other parameters are limited. This study examined the performance characteristics of cold recycled emulsified asphalt bases with RAP materials in different proportions, i.e., ۲۵%, ۵۰%, and ۷۵%, and evaluated in terms of the indirect tensile strength, tensile strength ratio, density, water loss, and permanent deformation at lower and higher emulsified asphalt contents than optimum. The results demonstrated that the total residual binder content influences the permanent deformation characteristics of cold mixes. There was no significant variation in the durability and strength with the RAP at the optimum emulsified asphalt content. But, the emulsified asphalt contents other than optimum influence the strength, density, and permanent deformation. The logarithmic and power-law models are best suited to predict the first-stage permanent deformation of cold mixes.
کلیدواژه ها:
نویسندگان
Sarella Chakravarthi
Research Scholar, Department of Civil Engineering, National Institute of Technology, Warangal, India
Galipelli Kumar
Ex-M. Tech, Department of Civil Engineering, National Institute of Technology, Warangal, India
Sabavath Shankar
Assistant Professor, Department of Civil Engineering, National Institute of Technology, Warangal, India
Radhakrishnan Vishnu
Assistant Professor, Department of Civil Engineering, National Institute of Technology, Warangal, India
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