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Conference Aug 2026

A method for 3D reconstruction of train carriages based on LiDAR point clouds

In the context of the continuous growth of railway transportation volume, the safe operation and maintenance of train carriages have placed higher demands on the accuracy and efficiency of damage detection. Traditional detection methods are unable to effectively quantify various types of damage such as corrosion, dents...

Lin-Bo Liu, Hongtao Wang, Zhijia Zhang et al. · 0 citations
Jan 2027

A Robust Measurement Method for Geometric Profiles of Bridges Based on Prior Design Knowledge Orientation

Terrestrial laser scanning (TLS) technology is increasingly used to measure bridge geometric shapes. However, the commonly observed loss of critical geometric details in point clouds poses significant challenges for automate and accurate measurement. A robust measurement method based on prior design knowledge orienta...

Wei-Nan Han, Jin-Song Zhu, Ze-Yu Zhang et al. · 0 citations
Sep 2026

Integrated Field Data Collection System to Determine Bridge Dynamic Impact Factor

Bridges experience dynamic amplification of structural responses during vehicle crossings, especially at approach-deck transitions where abrupt surface irregularities increase the dynamic impact factor (IM). This study presents a rapid method to estimate IMs using surface profiles, vehicular loading, and bridge chara...

Kundan Parajulee, Joshua Q. Li, Akrit Pradhan et al. · 0 citations
Open access Aug 2026

Research on binocular 3D measurement method for notch damage in aero-engine blades based on geometry-aware keypoint localization

Maintaining a lightweight architecture and low computational cost, the proposed method achieves sub-millimeter-to-millimeter-level measurement precision, satisfying industrial borescope preliminary screening tolerances and offering a feasible solution for quantitative assessment of aero-engine blade notch damage.

Huoliang Ren, Xiao-Long Wei, Yu Cai et al. · 0 citations
Open access Sep 2026

Automated and Robust Virtual Trial Assembly of Prefabricated Bridge Based on Point Cloud Data

Virtual trial assembly (VTA), an alternative to physical trial assembly, has been used in many projects owing to its advantages of low time consumption and low cost. However, the existing methods based on the terrestrial laser scanner struggle with noise, incomplete boundaries, and arbitrary initial poses, making them...

Li-Du Zhao, Jia-Ming Wang, Rui-Sheng Feng et al. · 0 citations
Sep 2026

On the applicability of the 1D inverse FEM to long-span bridges with applications to shape sensing and damage detection

This article presents an advancement in structural health monitoring (SHM) for long-span suspension bridges based on the inverse finite element method (iFEM). The approach is applied to a 1:250-scale three-span suspension bridge model and enables both shape sensing and damage detection through the reconstruction of str...

J. Bardiani, Hung-Chih-Wu Chen, A. Manes et al. · 0 citations

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