Prediction of Rutting in Flexible Pavements using Finite Element Method

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 46

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شناسه ملی سند علمی:

JR_CEJ-7-8_003

تاریخ نمایه سازی: 28 تیر 1404

چکیده مقاله:

In this research study three dimensional (۳D) finite element analysis are performed on a flexible pavement section for different material properties, temperature and loading conditions. The main objective of this study is to predict the rut depth under different conditions of temperature, loadings and material properties. Three dimensional finite element model of flexible pavement is developed using ABAQUS to predict rut depth. The pavement system is assumed to be an elastic multi-layers system with each layer being isotropic, homogeneous with specified Resilient Modulus (Mr) and Poisson ratio (µ). With the exception of the bottom subgrade layer, each layer is extending to an unlimited horizontal extent and has a finite thickness. The pavement system analyze in this study for a cyclic load of ۱۰۰۰۰ cycles taken as ۰.۰۱sec per cycle. Standard Axle Load (ESAL) of ۱۸ kips (۸۰ kN) loading on an axle with a dual set of tires, the wheel spacing is ۱۳.۷۸ in (۳۵۰ mm) with a tire contact pressure of ۱۰۰ psi (۰.۶۹ MPa) is used. After performing a series of analysis the results showed that rut depth increases with increase in temperature and loading and decreases by using base stabilizer. Doi: ۱۰.۲۸۹۹۱/cej-۲۰۲۱-۰۳۰۹۱۷۲۷ Full Text: PDFIn this research study three dimensional (۳D) finite element analysis are performed on a flexible pavement section for different material properties, temperature and loading conditions. The main objective of this study is to predict the rut depth under different conditions of temperature, loadings and material properties. Three dimensional finite element model of flexible pavement is developed using ABAQUS to predict rut depth. The pavement system is assumed to be an elastic multi-layers system with each layer being isotropic, homogeneous with specified Resilient Modulus (Mr) and Poisson ratio (µ). With the exception of the bottom subgrade layer, each layer is extending to an unlimited horizontal extent and has a finite thickness. The pavement system analyze in this study for a cyclic load of ۱۰۰۰۰ cycles taken as ۰.۰۱sec per cycle. Standard Axle Load (ESAL) of ۱۸ kips (۸۰ kN) loading on an axle with a dual set of tires, the wheel spacing is ۱۳.۷۸ in (۳۵۰ mm) with a tire contact pressure of ۱۰۰ psi (۰.۶۹ MPa) is used. After performing a series of analysis the results showed that rut depth increases with increase in temperature and loading and decreases by using base stabilizer. Doi: ۱۰.۲۸۹۹۱/cej-۲۰۲۱-۰۳۰۹۱۷۲۷ Full Text: PDF

کلیدواژه ها:

Flexible Pavement Rutting ABAQUS Finite Element Method Pavement Displacement Stress Strain.

نویسندگان

Muhammad Asim

Department of Civil Engineering, University of Engineering and Technology Peshawar (Bannu Campus), Bannu ۲۸۱۰۰,, Pakistan

Mahmood Ahmad

Department of Civil Engineering, University of Engineering and Technology Peshawar (Bannu Campus), Bannu ۲۸۱۰۰,, Pakistan

Muhammad Alam

Department of Civil Engineering, University of Engineering and Technology Mardan, Mardan ۲۳۲۰۰,, Pakistan

Shahid Ullah

Earthquake Engineering Center, University of Engineering and Technology Peshawar, Peshawar ۲۵۰۰۰,, Pakistan

Muhammad Junaid Iqbal

Department of Civil Engineering, University of Engineering and Technology Peshawar (Bannu Campus), Bannu ۲۸۱۰۰,, Pakistan

Shahid Ali

School of Civil Engineering, Tianjin University, Tianjin ۳۰۰۳۵۰,, China