STUDY OF THE STRAIN CHARACTERISTICS OF ASPHALT PAVEMENT SURFACES OVER LONG SLOPES

JEEVITHA T P

STUDY OF THE STRAIN CHARACTERISTICS OF ASPHALT PAVEMENT SURFACES OVER LONG SLOPES

Authors: JEEVITHA T P

Unique Paper ID: 181003
Volume: 8
Issue: 7
PageNo: 711-716

Keywords: Abaqus FEM Longitudinal Slope Tensile Stresses Strain Characteristic.

Abstract:
A structural model of asphalt pavement was developed using Abaqus finite element modeling software to explore variations in shear and tensile stresses caused by vehicle movement loads on long longitudinal slopes. A single factor study was carried out over a variety of slopes, vehicle speeds, temperatures, and braking coefficients. According to the calculation findings, the maximum tensile strain increases as the road slope, driving speed, and braking coefficient increase, but decreases as the temperature increases. Similarly, maximum shear strain rises with temperature, braking coefficient, and driving speed, but decreases as driving speed increases. When the automobile is driving smoothly, the greatest tensile strain and maximum shear strain occur in the intermediate layer, around 5 and 6 cm from the road surface, respectively. Specific improvements to the shear and tensile properties of the intermediate layer may be made during the design phase to improve the road performance of the asphalt surface layer on long and long longitudinal slopes. When the automobile brakes, the road surface will experience significant shear strain due to the high braking coefficient. During the design phase, targeted enhancements to the shear resistance of the top layer of asphalt concrete are needed.

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ISSN: 2349-6002
Volume: 8
Issue: 7
PageNo: 711-716

STUDY OF THE STRAIN CHARACTERISTICS OF ASPHALT PAVEMENT SURFACES OVER LONG SLOPES

Available:https://ijirt.org/Article?manuscript=181003

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