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Experimental study on shrinkage properties of commercial concrete
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[1]Lv Yanmei,LIU Lixin,Luo Weihua.Experimental study on shrinkage properties of commercial concrete[J].Journal of Zhengzhou University (Engineering Science),2004,25(03):65-69.[doi:10.3969/j.issn.1671-6833.2004.03.016]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 25卷 Number of periods: 2004年03期 Page number: 65-69 Column: Public date: 1900-01-01
Title:
Experimental study on shrinkage properties of commercial concrete
Author(s):
Lv Yanmei; LIU Lixin; Luo Weihua

Keywords:

CLC:
-
DOI:
10.3969/j.issn.1671-6833.2004.03.016
Abstract:
Through the measurement of the shrinkage strain of 180 commercial concrete specimens in 24 groups for 99 consecutive days, the calculation formula of shrinkage strain of commercial concrete under standard conditions was analyzed, and the multi-coefficient shrinkage strain calculation formula of commercial concrete under non-standard conditions was analyzed by multi-coefficient superposition method ε(t)=ε(t)0β1β2β3β4β5. In addition, the calculation formula of shrinkage strain proposed by the experiment is analyzed and compared with the ACI contraction formula, the contraction formula of China Academy of Building Research and the contraction formula of Wang Tiemeng, and the results show that the formula proposed in this paper is more suitable for the calculation of shrinkage strain of commercial concrete.

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Last Update: 1900-01-01
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