Modelling of creep of concrete mixed with expansive additives

Hyeonggil Choi, Myungkwan Lim, Heesup Choi, Takafumi Noguchi, Ryoma Kitagaki

研究成果: Article査読

7 被引用数 (Scopus)

抄録

The creep phenomenon of hardened cement mixed with expansive additives (EAs) was modelled by considering the creep performance of hydration products of cements and EAs under the assumption that the characteristics of hydration products of cements and EAs are fixed. A new composite model that is appropriate for particle conditions is proposed by considering the balance of the hydration products of cement and EA and the stress redistribution phenomenon of hydration products newly generated by the progress of hydration. Verification of the creep model indicated that the accumulated creep strains calculated by the model and those obtained through experiment were similar, thereby confirming that the model shows excellent estimation and evaluation performance. Furthermore, the stress could be sufficiently estimated by analysing the creep phenomenon corresponding to the progress of hydration under the restrained condition.

本文言語English
ページ(範囲)335-348
ページ数14
ジャーナルMagazine of Concrete Research
67
7
DOI
出版ステータスPublished - 2015 4 1

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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