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 …

Equivalent Modeling of Bolted Connections under Transverse Load Using Iwan-Based Material Properties

D Jiang, M Wang, Y Sun, X Hang - Metals, 2023 - mdpi.com
The nonlinear characteristics of bolted connections are of significant importance for
analyzing the mechanical performance of structures. The Iwan model is well-known and has …

Analysis of the support failure mechanism caused by bolt pre-tightening force loss

X Sun, J Cheng, Z Wan, J Lv, K Liu, K Gao - Processes, 2024 - mdpi.com
The pre-tightening force loss (PTFL) of bolts is an important but underestimated cause of
roadway instability. In mine anchorage systems, the actual pre-tightening force of bolts is …

Study on Pretightening Loss Effect of Bolt Support in Deep Soft Rock Roadway

F Yu, B Sun, Q Wang, P Fang, T Zhang… - Shock and …, 2024 - Wiley Online Library
The magnitude of pretension force serves as an important indicator of the effectiveness of
anchor bolt active support and is one of the significant factors influencing the stability of …

Influence of Symmetry of Tightened Parts on the Force in a Bolted Joint

J Zacal, Z Folta, J Struz, M Trochta - Symmetry, 2023 - mdpi.com
This article discusses the issue of force behavior in a pre-tensioned bolt that is part of a
symmetrical flange connection, loaded with an operating load parallel to the bolt axis. The …

Contact Stiffness Identification Method for Joint Surface and the Effect of Contact Stiffness on the Dynamic Response of the Cable Bracket

X Wei, Z Ren, G Li - Chinese Journal of Mechanical Engineering, 2024 - Springer
The cable bracket is one of the crucial components of high-speed Electric Multiple Units
(EMUs), which is fixed to the axle box by bolts to support the cable. As an important …

Thin-layer element method for multi-stage rotor bolt loosening identification

C Yue, J Chen, X Zheng, C Wang, H Liu - Journal of Mechanical Science …, 2024 - Springer
In order to solve the problem of difficult simulation of the bolted joint structure of rotors, this
study proposes an improved sub-regional thin-layer element method (ISRTL) and applies it …

Study on tightening characteristics of flareless pipe joint assembly process

J Tang, Z Liao, P Yang, J Zeng - The Journal of Engineering, 2023 - Wiley Online Library
The assembly process of flareless pipe joints is very important for the sealing performance of
hydraulic pipeline system. Based on the theory of contact mechanics, a theoretical model of …

[HTML][HTML] Unsymmetrically Distributed Bolt Axial Forces between Symmetrically Spaced Bolts of Clamping Sleeve

L Hruzik, J Struz, M Trochta, J Zacal - Symmetry, 2023 - mdpi.com
This article deals with the uniformity of the distribution of axial forces between the individual
bolts of the clamping sleeve. Clamping sleeves are machine components connecting the …

Special Issue on “Computational Modeling and Simulation of Solids and Structures: Recent Advances and Practical Applications”

JG Kim, JH Lim, P Persson - Applied Sciences, 2022 - mdpi.com
Computational modeling and simulation are essential to solid and structural mechanics.
They have not only covered entire engineering fields (civil, aerospace, mechanical, etc.) but …