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Author:

Wang, Y. (Wang, Y..) | Xue, S. (Xue, S..) | Li, X. (Li, X..) | Geng, Y. (Geng, Y..) | Rong, H. (Rong, H..)

Indexed by:

EI Scopus SCIE

Abstract:

High-performance concrete (HPC) shows obvious autogenous shrinkage in the early stage. In actual engineering, the interior of HPC undergoes a variable temperature evolution, and the impact of variable temperature conditions on the autogenous shrinkage of HPC is unclear. This paper examines the impact of different curing temperatures on the material properties of HPC, as well as the evolution of HPC autogenous shrinkage. Three measured temperature histories and four constant temperatures were used as curing conditions. Additionally, an HPC autogenous shrinkage prediction model was established considering the impact of curing temperature. The test results indicate that the compressive strength and elastic modulus of HPC increase with increasing curing temperature. Furthermore, there is a significant increase in the autogenous shrinkage rate of HPC as the curing temperature increases. Existing maturity methods overestimate the impact of temperature on the autogenous shrinkage process of HPC. The proposed autogenous shrinkage prediction model enhances the accuracy in predicting the autogenous shrinkage of HPC under constant and variable curing temperature conditions. © 2024 Elsevier Ltd

Keyword:

Variable temperature curing Autogenous shrinkage model High-performance concrete Compressive strength

Author Community:

  • [ 1 ] [Wang Y.]Collage of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Xue S.]Collage of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Li X.]Collage of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Geng Y.]Central research institute of building and construction, MCC Group, Co. Ltd., Beijing, 100088, China
  • [ 5 ] [Rong H.]Central research institute of building and construction, MCC Group, Co. Ltd., Beijing, 100088, China

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Source :

Construction and Building Materials

ISSN: 0950-0618

Year: 2024

Volume: 447

7 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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