DOI QR코드

DOI QR Code

Nonlinear responses of energy storage pile foundations with fiber reinforced concrete

  • Tulebekova, Saule (Department of Civil and Environmental Engineering, Nazarbayev University) ;
  • Zhang, Dichuan (Department of Civil and Environmental Engineering, Nazarbayev University) ;
  • Lee, Deuckhang (Department of Civil and Environmental Engineering, Nazarbayev University) ;
  • Kim, Jong R. (Department of Civil and Environmental Engineering, Nazarbayev University) ;
  • Barissov, Temirlan (Department of Civil and Environmental Engineering, Nazarbayev University) ;
  • Tsoy, Viktoriya (Department of Civil and Environmental Engineering, Nazarbayev University)
  • 투고 : 2019.03.15
  • 심사 : 2019.04.05
  • 발행 : 2019.08.25

초록

A renewable energy storage pile foundation system is being developed through a multi-disciplinary research project. This system intends to use reinforced concrete pile foundations configured with hollowed sections to store renewable energy generated from solar panels attached to building structures in the form of compressed air. However previous research indicates that the compressed air will generate considerable high circumferential tensile stresses in the concrete pile, which requires unrealistic high hoop reinforcement ratio to avoid leakage of the compressed air. One possible solution is to utilize fiber reinforced concrete instead of placing the hoop reinforcement to resist the tensile stress. This paper investigates nonlinear structural responses and post-cracking behavior of the fiber reinforced concrete pile subjected to high air pressure through nonlinear finite element simulations. Concrete damage plasticity models were used in the simulation. Several parameters were considered in the study including concrete grade, fiber content, and thickness of the pile section. The air pressures which the pile can resist at different crack depths along the pile section were identified. Design recommendations were provided for the energy storage pile foundation using the fiber reinforced concrete.

키워드

과제정보

연구 과제번호 : Development of a Renewable Energy Storage System using Reinforced Concrete Foundations

연구 과제 주관 기관 : Nazarbayev University

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피인용 문헌

  1. Application of steel-concrete composite pile foundation system as energy storage medium vol.77, pp.6, 2021, https://doi.org/10.12989/sem.2021.77.6.753