Computers and Concrete

  • 제11권2호
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  • Pages.169-182
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  • 2013
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
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Numerical analysis of thermal and composite stresses in pre-stressed concrete pavements

  • Nejad, Fereidoon Moghadas (Department of Civil and Environmental Engineering, Amirkabir University of Technology) ;
  • Ghafari, Sepehr (Department of Civil and Environmental Engineering, Amirkabir University of Technology) ;
  • Afandizadeh, Shahriar (Department of Civil and Environmental Engineering, University of Science and Technology)
  • 투고 : 2012.01.14
  • 심사 : 2012.07.03
  • 발행 : 2013.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

One of the major benefits of the pre-stressed concrete pavements is the omission of tension in concrete that results in a reduction of cracks in the concrete slabs. Therefore, the life of the pavement is increased as the thickness of the slabs is reduced. One of the most important issues in dealing with the prestressed concrete pavement is determination of the magnitude of the pre-stress. Three dimensional finite element analyses are conducted in this research to study the pre-stress under various load (Boeing 777) and thermal gradient combinations. The model was also analyzed under temperature gradients without the presence of traffic loading and the induced stresses were compared with those from theoretical relationships. It was seen that the theoretical relationships result in conservative values for the stress.

키워드

참고문헌

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피인용 문헌

  1. A new 1D analytical model for computing the thermal field of concrete dams due to the environmental actions vol.85, 2015, https://doi.org/10.1016/j.applthermaleng.2015.04.023
  2. An improved 1D-model for computing the thermal behaviour of concrete dams during operation. Comparison with other approaches vol.15, pp.1, 2015, https://doi.org/10.12989/cac.2015.15.1.103
  3. Finite element investigation of the joints in precast concrete pavement vol.21, pp.5, 2013, https://doi.org/10.12989/cac.2018.21.5.547
  4. Degradation reliability modeling of plain concrete for pavement under flexural fatigue loading vol.9, pp.5, 2020, https://doi.org/10.12989/acc.2020.9.5.469
  5. Theoretical Study on Prestress Loss in Cross-Tensioned Concrete Pavement with BFRP Tendons vol.10, pp.21, 2013, https://doi.org/10.3390/app10217737