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, L;Deng, JJ

作者机构：

[Huang, Lian; Li, Xiaolong] Guangxi Minzu Univ, Sch Architecture Engn, 188 Daxue East Rd, Nanning City 530006, Guangxi Zhuang, Peoples R China.

[Deng, Junjie] Guanxi Jiaotou Technol Co Ltd, 369 Minzu Ave, Nanning City 531400, Guangxi Zhuang, Peoples R China.

[Hu, Duo] Hunan Urban Construct Coll, Dept Municipal Engn & Rd & Bridge Engn, 42 Shuyuan Rd, Xiangtan City 411101, Hunan Province, Peoples R China.

[Liu, Yun] Hunan Commun Polytech, Sch Rd & Bridge Engn, Changsha 410132, Hunan Province, Peoples R China.

[Zhu, Weihua] Hunan City Univ, Sch Civil Engn, 518 Yingbin East Rd, Yiyang City 413000, Hunan Province, Peoples R China.

通讯机构：

[Deng, JJ ; Huang, L ] G

Guangxi Minzu Univ, Sch Architecture Engn, 188 Daxue East Rd, Nanning City 530006, Guangxi Zhuang, Peoples R China.

Guanxi Jiaotou Technol Co Ltd, 369 Minzu Ave, Nanning City 531400, Guangxi Zhuang, Peoples R 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：

期：

页码：

17272

DOI：

10.1038/s41598-025-01409-0

基金类别：

the Scientific Research Fund Project of Guangxi Minzu University [2023KJQD48]; Scientific Research Fund Project of Guangxi Minzu University [301780209]; First Batch of Young Seedling Talent-Supported Scientific Research Project in Guangxi Zhuang Autonomous Region; Undergraduate Innovative Training Program in Guangxi Zhuang Autonomous Region [24B0970, 24B0734]; Excellent Youth Scientific Research Project of Hunan Provincial Department of Education; Guangxi Youth Science and Technology Elevate Project

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

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