Results 51 to 60 of about 357 (162)
Rail Corrugation of High-Speed Railway Induced by Rail Grinding
Shock and Vibration, 2021 Rail corrugation is a common railway defect that involves diverse and complex factors. Rail grinding is also the most commonly used method to address corrugations. Through numerous irregularity tests and one-third octave frequency spectrum analyses, this
Xing Du +4 more
doaj +1 more source
Deep Underground Science and Engineering, EarlyView.This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh +12 more
wiley +1 more source
Correction: Ensemble model for rail surface defects detection
PLOS ONE, 2023 [This corrects the article DOI: 10.1371/journal.pone.0268518.].
Hailang Li +5 more
openaire +2 more sources
Research on Defect Detection on Steel Rails Based on Improved YOLO11n Algorithm
Applied SciencesAiming at the core issues of the traditional YOLO11n model in rail surface defect detection—fine-grained feature loss of small defects, insufficient micro-target recognition accuracy, and the mismatch of existing downsampling/fusion methods for micro ...
Hongyu Wang, Junmei Zhao
doaj +1 more source
Investigation of Acoustic Emission of Cracks in Rails under Loading Close to Operational
Applied Sciences, 2022 The paper is devoted to the study of the possibility of detecting cracks in railway rails by the acoustic emission (AE) method. An experimental study of AE signals under cyclic compression loading of rail fragments, which simulates the rail operating ...
Vera Barat +4 more
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Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
The Importance of Rail Inspections in the Urban Area -Aspect of Head Checking Rail Defects
Procedia Engineering, 2015 AbstractControl of railway noise is very significant part of the urban traffic policy. An increase of railway noise could significantly reduce the quality of life of citizens. This paper analyzes and suggests necessary measures for managing railway noise and traffic safety by rail inspection and grinding.
Popović, Zdenka +3 more
openaire +2 more sources
An Improved Target Network Model for Rail Surface Defect Detection
Applied SciencesRail surface defects typically serve as early indicators of railway malfunctions, which may compromise the quality and corrosion resistance of rails, thereby endangering the safe operation of trains. The timely detection of defects is essential to ensure
Ye Zhang +4 more
doaj +1 more source
Carbon emission assessment of tunnel infrastructures: From construction to operation
Deep Underground Science and Engineering, EarlyView.This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long +4 more
wiley +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.First integration of ZnO nanorods with aerosol‐printed 3D Ag meshes for UV photodetector. 3D Ag/ZnO enhances light absorption and charge separation by providing a large active surface area for efficient charge generation and a strong UV response.
Elius Hossain +3 more
wiley +1 more source