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Acta Mechanica

, Volume 230, Issue 12, pp 4287–4301 | Cite as

Differential scheme-based stochastic micromechanical framework for saturated concrete repaired by EDM

  • Qing Chen
  • Rui Ma
  • Zhengwu Jiang
  • Hehua Zhu
  • Haoxin LiEmail author
  • Xinwen YangEmail author
  • Jiann-wen Ju
  • Zhiguo Yan
Original Paper
  • 51 Downloads

Abstract

A stochastic micromechanical framework is proposed to quantitatively characterize the probabilistic behavior of the saturated concrete healed by the electrochemical deposition method (EDM). Multiphase micromechanical representation for the healed saturated concrete is presented based on the material’s microstructures. Differential scheme-based multilevel homogenization procedures are proposed to quantitatively predict the effective properties of the repaired concrete. The material microstructures are characterized by the non-stationary random process and random variables. The probabilistic behavior for the repaired concrete is reached with high computational efficiency by incorporating the dimensional decomposition method and Newton interpolations. The predictions obtained by the proposed stochastic micromechanical framework are then compared with the available experimental data, existing models, and direct Monte Carlo simulations, which indicates that the presented stochastic micromechanical framework is computationally efficient and capable of characterizing for the probabilistic behavior of saturated concrete repaired by EDM considering the inherent randomness. Finally, the influences of the deposition products and healing degrees on the probabilistic behavior of repaired concrete are discussed based on the proposed models.

Notes

Acknowledgements

This work is supported by National Key Research and Development Plan (2018YFC0705400, 2017YFC0704004). This work is also supported by the National Natural Science Foundation of China (51508404, 51478348, 51278360, 51308407, U1534207), the Funds of Fundamental Research Plan for the Central Universities in Chang’an University (300102218511), the 1000 Talents Plan Short-Term Program by the Organization Department of the Central Committee of the CPC, the Funds of Fundamental Research Plan for the Central Universities.

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Key Laboratory of Advanced Civil Engineering Materials (Tongji University), Ministry of EducationShanghaiChina
  2. 2.School of Materials Science and EngineeringTongji UniversityShanghaiChina
  3. 3.State Key Laboratory for Disaster Reduction in Civil EngineeringTongji UniversityShanghaiChina
  4. 4.Department of Geotechnical Enginering College of Civil EngineeringTongji UniversityShanghaiChina
  5. 5.Shanghai Key Laboratory of Rail Infrastructure Durability and System SafetyTongji UniversityShanghaiChina
  6. 6.Key Laboratory of Road and Traffic Engineering of the Ministry of EducationTongji UniversityShanghaiChina
  7. 7.Department of Civil and Environmental EngineeringUniversity of CaliforniaLos AngelesUSA

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