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Author:

Li, Y. (Li, Y..) | Liu, Y. (Liu, Y..)

Indexed by:

Scopus

Abstract:

To predict the creep behavior of cement paste and compare the accuracy of different prediction models, the creep modulus of cement paste was determined using microindentation test and the contact creep modulus of microscopic phases was obtained using grid nanoindentation test. The volume fraction of the phases was subsequently obtained based on a series of microscopic tests. The cement paste was divided into two scales and four combinations were used for the prediction of creep homogenization based on the self-consistent (SC) and Mori Tanaka methods, respectively. Results show that the long-term creep properties of cement paste are predicted with high accuracy when the Mori Tanaka method is used at the gel scale and the SC method is used at the slurry scale. This study provides a basis for selecting an appropriate calculation method when performing the creep homogenization of cement-based materials. © 2023 Beijing University of Technology. All rights reserved.

Keyword:

homogenization Mori Tanaka method indentation test creep cement paste self-consistent (SC) method

Author Community:

  • [ 1 ] [Li Y.]Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] 2. Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing 100124, China
  • [ 3 ] [Liu Y.]Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] 2. Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Beijing 100124, China

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Source :

Journal of Beijing University of Technology

ISSN: 0254-0037

Year: 2023

Issue: 11

Volume: 49

Page: 1159-1166

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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