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A comparative study of shear crack growth mechanisms in concrete through acoustic emission analysis

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成果类型:
期刊论文
作者:
Huang, Lian*;Deng, Junjie*;Hu, Duo;Li, Xiaolong;Liu, Yun;...
通讯作者:
Huang, Lian;Deng, Junjie
作者机构:
[Huang, Lian] School of Architecture Engineering, Guangxi Minzu University, No. 188, Daxue East Road, Xixiangtang District, Nanning City, 530006, Guangxi Zhuang Autonomous Region, China. huanglian_yc@163.com
[Deng, Junjie] Guanxi Jiaotou Technology Co., Ltd., No. 369, Minzu Avenue, Qingxiu District, Nanning City, 531400, Guangxi Zhuang Autonomous Region, China. 1064877340@qq.com
[Hu, Duo] Department of Municipal Engineering and Road & Bridge Engineering, Hunan Urban Construction College, No. 42, Shuyuan Road, Yuetang District, Xiangtan City, 411101, Hunan Province, China
[Li, Xiaolong] School of Architecture Engineering, Guangxi Minzu University, No. 188, Daxue East Road, Xixiangtang District, Nanning City, 530006, Guangxi Zhuang Autonomous Region, China
[Liu, Yun] School of Road and Bridge Engineering, Hunan Communication Polytechnic, Changsha County, Changsha, 410132, Hunan Province, China
通讯机构:
[Deng, Junjie] G
[Huang, Lian] S
School of Architecture Engineering, Guangxi Minzu University, No. 188, Daxue East Road, Xixiangtang District, Nanning City, 530006, Guangxi Zhuang Autonomous Region, China.
Guanxi Jiaotou Technology Co., Ltd., No. 369, Minzu Avenue, Qingxiu District, Nanning City, 531400, Guangxi Zhuang Autonomous Region, China.
语种:
英文
关键词:
b-value;Acoustic emission;Concrete;Parameter analysis;Shear cracks
期刊:
Scientific Reports
ISSN:
2045-2322
年:
2025
卷:
15
期:
1
页码:
17272
机构署名:
本校为其他机构
院系归属:
土木工程学院
摘要:
The shear failure of concrete is a sudden brittle failure, which is difficult to be forewarned. To investigate the shear crack mechanisms in concrete, this study first systematic compared acoustic emission (AE) behavior during direct shear tests, compression shear tests (Z-shaped specimens), and three point bending shear tests. AE parameters (amplitude, cumulative count and energy), average frequency (AF)-rise time/amplitude (RA) analysis, K-means clustering, and b-value analysis were integrated to classify cracks and characterize damage progression. The correlation between the shear crack pro...

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