Advances in Computational Design

  • 제7권4호
  • /
  • Pages.371-393
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  • 2022
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  • 2383-8477(pISSN)
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  • 2466-0523(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Three-dimensional analysis of flexible pavement in Nepal under moving vehicular load

  • Ban, Bijay (Department of Civil Engineering, Pulchowk Campus, Institute of Engineering, Tribhuvan University) ;
  • Shrestha, Jagat K. (Department of Civil Engineering, Pulchowk Campus, Institute of Engineering, Tribhuvan University) ;
  • Pradhananga, Rojee (Department of Civil Engineering, Pulchowk Campus, Institute of Engineering, Tribhuvan University) ;
  • Shrestha, Kshitij C. (Department of Civil Engineering, Pulchowk Campus, Institute of Engineering, Tribhuvan University)
  • 투고 : 2021.11.15
  • 심사 : 2022.08.18
  • 발행 : 2022.10.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a three-dimensional flexible pavement simulated in ANSYS subjected to moving vehicular load on the surface of the pavement typical for the road section in Nepal. The adopted finite element (FE) model of pavement is validated with the classical theoretical formulations for half-space pavement. The validated model is further utilized to understand the damping and dynamic response of the pavement. Transient analysis of the developed FE model is done to understand the time varying response of the pavement under a moving vehicle. The material properties of pavement considered in the analysis is taken from typical road section used in Nepal. The response quantities of pavement with nonlinear viscoelastic asphalt layer are found significantly higher compared to the elastic pavement counterpart. The structural responses of the pavement decrease with increase in the vehicle speed due to less contact time between the tires of the vehicle and the road pavement.

키워드

과제정보

This research is funded by Roads Board Nepal (RBN) under Nepal Government. The authors acknowledge the support provided by Center for Infrastructure Development Studies (CIDS), Institute of Engineering, Tribhuvan University. The authors would also like to thank Er. Pramod Tiwari, Er. Sangita Acharya and Er. Prabin Wagle for providing invaluable support during this study.

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