Numerical Simulation of a CAES Pile with Hypoplasticity

Wei Wu, Shun Wang, Guofang Xu, Jilin Qi, Dichuan Zhang, Jong Ryeol Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we investigate the mechanical behaviour of a compressed air energy storage (CAES) pile through finite element analyses. A simple hypoplastic constitutive model is used for the soil surrounding the pile. The analyses are carried out on two numerical models, namely a plane-strain model and an axisymmetric model. The numerical results show that the internal pressure of the pile has only minor influence on the stress state in the surrounding soil. The radial deformation around the pile is much smaller than the vertical deformation during the pressurization. Moreover, an increase of the internal pressure induces pile expansion around a neutral point in middle of the pile. This gives rise to relative displacement at the pile-soil interface, leading to upward slip at the pile head and downward slip at pile tip. The shear stress between pile and soil is also considered.

Original languageEnglish
Title of host publicationDesiderata Geotechnica
EditorsWei Wu
PublisherSpringer Verlag
Pages242-249
Number of pages8
ISBN (Print)9783030149864
DOIs
Publication statusPublished - Jan 1 2019
EventChina-Europe Conference on Geotechnical Engineering, 2018 - Vienna, Austria
Duration: Aug 13 2018Aug 16 2018

Publication series

NameSpringer Series in Geomechanics and Geoengineering
ISSN (Print)1866-8755
ISSN (Electronic)1866-8763

Conference

ConferenceChina-Europe Conference on Geotechnical Engineering, 2018
CountryAustria
CityVienna
Period8/13/188/16/18

Fingerprint

compressed air
Piles
pile
Computer simulation
simulation
Soils
soil
energy storage
Compressed air energy storage
Pressurization
plane strain
Constitutive models
shear stress
Shear stress
Numerical models

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Mechanics of Materials

Cite this

Wu, W., Wang, S., Xu, G., Qi, J., Zhang, D., & Kim, J. R. (2019). Numerical Simulation of a CAES Pile with Hypoplasticity. In W. Wu (Ed.), Desiderata Geotechnica (pp. 242-249). (Springer Series in Geomechanics and Geoengineering). Springer Verlag. https://doi.org/10.1007/978-3-030-14987-1_29

Numerical Simulation of a CAES Pile with Hypoplasticity. / Wu, Wei; Wang, Shun; Xu, Guofang; Qi, Jilin; Zhang, Dichuan; Kim, Jong Ryeol.

Desiderata Geotechnica. ed. / Wei Wu. Springer Verlag, 2019. p. 242-249 (Springer Series in Geomechanics and Geoengineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wu, W, Wang, S, Xu, G, Qi, J, Zhang, D & Kim, JR 2019, Numerical Simulation of a CAES Pile with Hypoplasticity. in W Wu (ed.), Desiderata Geotechnica. Springer Series in Geomechanics and Geoengineering, Springer Verlag, pp. 242-249, China-Europe Conference on Geotechnical Engineering, 2018, Vienna, Austria, 8/13/18. https://doi.org/10.1007/978-3-030-14987-1_29
Wu W, Wang S, Xu G, Qi J, Zhang D, Kim JR. Numerical Simulation of a CAES Pile with Hypoplasticity. In Wu W, editor, Desiderata Geotechnica. Springer Verlag. 2019. p. 242-249. (Springer Series in Geomechanics and Geoengineering). https://doi.org/10.1007/978-3-030-14987-1_29
Wu, Wei ; Wang, Shun ; Xu, Guofang ; Qi, Jilin ; Zhang, Dichuan ; Kim, Jong Ryeol. / Numerical Simulation of a CAES Pile with Hypoplasticity. Desiderata Geotechnica. editor / Wei Wu. Springer Verlag, 2019. pp. 242-249 (Springer Series in Geomechanics and Geoengineering).
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