A comprehensive review of loosening detection methods for threaded fasteners

J Huang, J Liu, H Gong, X Deng - Mechanical Systems and Signal …, 2022 - Elsevier
Loosening of threaded fasteners can cause preload decline, induce bolt fatigue fracture, and
severely compromise the reliability of mechanical products. Loosening detection is an …

[HTML][HTML] Bond-slip monitoring of concrete structures using smart sensors—A review

L Huo, H Cheng, Q Kong, X Chen - Sensors, 2019 - mdpi.com
Concrete structures with various reinforcements, such as steel bars, composite material
tendons, and recently steel plates, are commonly used in civil infrastructures. When an …

Bolt early looseness monitoring using modified vibro-acoustic modulation by time-reversal

F Wang, G Song - Mechanical Systems and Signal Processing, 2019 - Elsevier
Structural health monitoring (SHM) of bolted joints has played a vital role in estimation of bolt
looseness and prediction of residual service life of bolted connections, thus saving money …

Monitoring of multi-bolt connection looseness using entropy-based active sensing and genetic algorithm-based least square support vector machine

F Wang, Z Chen, G Song - Mechanical Systems and Signal Processing, 2020 - Elsevier
Looseness detection of bolted connections is an essential industrial issue that can reduce
the maintenance and repair costs caused by joint failures; however, current loosening …

A novel fractal contact-electromechanical impedance model for quantitative monitoring of bolted joint looseness

F Wang, SCM Ho, L Huo, G Song - Ieee Access, 2018 - ieeexplore.ieee.org
Bolted joint are among the key components that enable the robust assembly of a wide
variety of structures. However, due to wear and tear over time, bolted joint may loosen, and if …

[HTML][HTML] Vision-based detection of bolt loosening using YOLOv5

Y Sun, M Li, R Dong, W Chen, D Jiang - Sensors, 2022 - mdpi.com
Bolted connections have been widely applied in engineering structures, loosening will
happen when bolted connections are subjected to continuous cyclic load, and a significant …

A piezoelectric active sensing method for quantitative monitoring of bolt loosening using energy dissipation caused by tangential dam** based on the fractal contact …

F Wang, L Huo, G Song - Smart materials and structures, 2017 - iopscience.iop.org
Monitoring of bolt looseness is essential for ensuring the safety and reliability of equipment
and structures with bolted connections. It is well known that tangential dam** has an …

Looseness monitoring of multiple M1 bolt joints using multivariate intrinsic multiscale entropy analysis and Lorentz signal-enhanced piezoelectric active sensing

R Yuan, Y Lv, T Wang, S Li, H Li - Structural Health …, 2022 - journals.sagepub.com
Bolts are widely used in the fields of mechanical, civil, and aerospace engineering. The
condition of bolt joints has a significant impact on the safe and reliable operation of the …

Bolt preload measurement based on the acoustoelastic effect using smart piezoelectric bolt

Q Sun, B Yuan, X Mu, W Sun - Smart Materials and Structures, 2019 - iopscience.iop.org
Precise measurement of bolt preload force is particularly important in the assembly process
of aviation equipment, which is directly related to the normal working performance and …

Modeling and analysis of an impact-acoustic method for bolt looseness identification

F Wang, SCM Ho, G Song - Mechanical Systems and Signal Processing, 2019 - Elsevier
Bolted joints are fundamental building blocks and have been widely used to hold multiple
structural components together, while their looseness may lead to costly disasters in …