The application of deep learning (DL) algorithms to non-destructive evaluation (NDE) is now
becoming one of the most attractive topics in this field. As a contribution to such research …

This paper presents a new methodology for noncontact measurement of the axial force of
bolts in their tightening processes using laser-generated ultrasound waves. This method …

In the paper, experimental studies of an asymmetric preloaded sevenbolted connection are
presented. The tightening process of the connection was carried out with a wrench …

The knowledge of the load in prestressed bolted connections is essential for the proper
operation and safety of engineering structures. Recently, bolted joints have become an area …

A novel type of tailless FBG smart bolt with good performance is developed. Owe to the
innovative design of an integrated FBG sensor comprising a strain measured FBG and a …

Deep learning (DL) algorithms for non-destructive evaluation (NDE) are becoming more
popular, especially for the use of laser ultrasonic methods to identify and estimate looseness …

The non-destructive testing of small-sized (M12–M20) stainless steel bolts in servicing is
always a technical problem. This article focuses on the simulation and experimental …

The existing smart bolts based on fiber Bragg grating (FBG) have limitations, such as with
long tail fibers and without satisfactory repeatability (R-squared value< 0.990), these limit …

Quantifying bolt tension and ensuring that bolts are appropriately tightened for large-scale
civil infrastructures are crucial. This study investigated the feasibility of employing the …

Steel structures with bolted joints are easily dismantled and repurposed. However,
maintaining joint integrity is a challenge. This paper reports a non-destructive methodology …