Quantitative evaluation of bolt pre-load using coda wave interferometry and nonlinear coda wave interferometry: a comparative study

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成果类型：

期刊论文

作者：

Wang, Lei;Yi, Shanchang;Sun, Xiangtao;Yu, Yang;Samali, Bijan

通讯作者：

Samali, B;Yu, Y

作者机构：

[Wang, Lei; Yi, Shanchang] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha, Peoples R China.

[Samali, B; Samali, Bijan; Yi, Shanchang] Western Sydney Univ, Ctr Infrastructure Engn, Penrith, NSW 2751, Australia.

[Sun, Xiangtao] Tongji Univ, Dept Disaster Mitigat Struct, Shanghai, Peoples R China.

[Yu, Yang; Yu, Y] Univ New South Wales, Ctr Infrastructure Engn & Safety, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia.

通讯机构：

[Samali, B ] W

[Yu, Y ] U

Western Sydney Univ, Ctr Infrastructure Engn, Penrith, NSW 2751, Australia.

Univ New South Wales, Ctr Infrastructure Engn & Safety, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia.

语种：

英文

关键词：

Bolt pre-load;Ultrasonic;Coda wave interferometry;Nonlinear coda wave interferometry;Stretching method

期刊：

Journal of Civil Structural Health Monitoring

ISSN：

2190-5452

年：

2025

卷：

期：

页码：

563-573

DOI：

10.1007/s13349-024-00815-8

基金类别：

Open Access funding enabled and organized by CAUL and its Member Institutions. This study was funded by the National Key Research and Development Program of China (Grant No. 2021YFB2600900), the Science and Technology Innovation Program of Hunan Province (Grant No. 2023RC3142), and Australian Research Council (Grant No. IH210100048).

机构署名：

本校为第一机构

院系归属：

土木工程学院

摘要：

The quantitative evaluation of bolt pre-load is crucial for the maintenance and prevention of accidents in bolt-connected structures. This study introduces the coda wave interferometry (CWI) method and the nonlinear coda wave interferometry (NCWI) method for quantitative evaluation of bolt pre-load. Experimental tests across three different scales of bolt pre-load changes were conducted on a bolt to compare the performances of CWI and NCWI in the quantitative evaluation of bolt pre-load. The results demonstrate that both CWI and NCWI can effectively characterize changes in bolt pre-load. For C...

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Quantitative evaluation of bolt pre-load using coda wave interferometry and nonlinear coda wave interferometry: a comparative study

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