ASFALTBETON QOPLAMALARIDA G'ILDIRAK IZI DEFORMATSIYA-LARINING RIVOJLANISHINI MODELLASHTIRISH

Annotatsiya: Ushbu maqolada og‘ir yuk avtomobillari harakati ta’sirida asfaltbeton qoplamalarida g‘ildirak izi deformatsiyasining rivojlanish mexanizmi tadqiq etilgan. G‘ildirak izi shakllanishiga avtomobil o‘q yuklamasi, takroriy yuklanishlar soni, asfaltbeton qatlamlarining deformatsion xususiyatlari va haroratning ta’siri baholangan. Yo‘l to‘shamasining kuchlanish-deformatsiya holati ABAQUS/CAE 2025 dasturida chekli elementlar usuli asosida modellashtirilgan. Modellashtirish natijalariga ko‘ra, yo‘l to‘shamasi qatlamlarida hosil bo‘ladigan vertikal egilish, kuchlanish, nisbiy deformatsiya va plastik deformatsiyalar tahlil qilingan. Kalit so‘zlar: G‘ildirak izi deformatsiyasi, o‘q yuklamasi, harorat, plastik deformatsiya, ABAQUS/CAE. Abstract: This article investigates the development mechanism of rutting deformation in asphalt concrete pavements under the influence of heavy-duty vehicle traffic. The effects of vehicle axle load, repeated loading cycles, deformation characteristics of asphalt concrete layers, and temperature on rutting development are evaluated. The stress–strain state of the pavement structure was modeled using the finite element method in ABAQUS/CAE 2025. Based on the modeling results, vertical and horizontal displacements, plastic deformations, and equivalent plastic strains occurring in the pavement layers were analyzed. Keywords: Rutting, axle load, temperature, plastic deformation, ABAQUS/CAE.

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