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作者:

Liu, Hanbing (Liu, Hanbing.) | Liu, Shiqi (Liu, Shiqi.) | Zhou, Peilei (Zhou, Peilei.) | Zhang, Yuwei (Zhang, Yuwei.) | Jiao, Yubo (Jiao, Yubo.) (学者:焦峪波)

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SCIE

摘要:

The workability and mechanical properties of basalt fiber reactive powder concrete (BFRPC) were investigated by univariate analysis. The acoustic emission (AE) was used as a non-destructive technique to reveal the damage characterization of concrete samples of varying basalt fiber content. The fracture stages and modes of specimens during flexural test were determined by AE parameters. The content of silica fume, quartz sand and basalt fiber of 0.4, 1.3 and 10 kg/m(3), respectively, was found related to optimal improvements in mechanical strength. As for the characteristics of fracture, it was found that the fiber content was a significant determinant, and the key AE parameters, namely, hits, energy and amplitude, were found related to the damage stage of specimens. Furthermore, rise time (RA) and average frequency (AF) were found to have opposite trends during loading while their variation related to the fracture modes of BFRPC.

关键词:

acoustic emission basalt fiber crack classification mechanical properties reactive powder concrete

作者机构:

  • [ 1 ] [Liu, Hanbing]Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China
  • [ 2 ] [Liu, Shiqi]Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China
  • [ 3 ] [Zhou, Peilei]Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China
  • [ 4 ] [Zhang, Yuwei]Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China
  • [ 5 ] [Jiao, Yubo]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100022, Peoples R China

通讯作者信息:

  • [Zhou, Peilei]Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China

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来源 :

APPLIED SCIENCES-BASEL

年份: 2019

期: 18

卷: 9

2 . 7 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:52

JCR分区:2

被引次数:

WoS核心集被引频次: 17

SCOPUS被引频次: 21

ESI高被引论文在榜: 0 展开所有

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