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author:

Huang, B. (Huang, B..) [1] | Gong, M. (Gong, M..) [2] | Pan, A. (Pan, A..) [3] | Rao, X. (Rao, X..) [4] | Wang, T. (Wang, T..) [5] | Chen, C. (Chen, C..) [6] | Huang, W. (Huang, W..) [7] (Scholars:黄伟)

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Scopus

Abstract:

The workability and mechanical strength of ultra-high performance concrete (UHPC) are the key to its popularization and application. Therefore, this paper used workability test, rheological test, compressive strength test and flexural strength test to explore the variation of UHPC fluidity, time loss, yield strength, plastic viscosity, compressive strength, and flexural strength under different water reducing agent content and fiber physical parameters. The results show that the fluidity of UHPC increases first and then decreases with the increase of water reducing agent content and fiber content. The time loss of UHPC is mainly related to standing time. The longer the standing time of UHPC is, the greater the time loss is. The rheological curve of UHPC shows a trend of shear thickening. With the increase of water reducing agent, the yield stress and plastic viscosity of UHPC decrease first and then increase, and the minimum value is obtained when the content of water reducing agent is 1. 00% (mass fraction). The effect of water reducing agent on strength is not obvious. The compressive strength of UHPC increases with the increase of fiber content, and the flexural strength increases first and then decreases with the increase of fiber content. When the fiber length is 13. 0 mm, the compressive performance of UHPC is the best, and the flexural performance is the best when the fiber length is 20. 0 mm. © 2024 Bulletin of the Chinese Ceramic Society Press. All rights reserved.

Keyword:

fluidity mechanical property rheological property steel fiber time loss ultra-high performance concrete

Community:

  • [ 1 ] [Huang B.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 2 ] [Huang B.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 3 ] [Gong M.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 4 ] [Gong M.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 5 ] [Pan A.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 6 ] [Pan A.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 7 ] [Pan A.]College of Civil Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Rao X.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 9 ] [Rao X.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 10 ] [Wang T.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 11 ] [Wang T.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 12 ] [Chen C.]CCCC Green Construction (Xiamen) Technology Co., Ltd., Xiamen, 361000, China
  • [ 13 ] [Chen C.]CCCC First Highway Xiamen Engineering Co., Ltd., Xiamen, 361000, China
  • [ 14 ] [Huang W.]College of Civil Engineering, Fuzhou University, Fuzhou, 350116, China

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Source :

硅酸盐通报

ISSN: 1001-1625

Year: 2024

Issue: 9

Volume: 43

Page: 3214-3223

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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