Results 51 to 60 of about 23,258 (311)

Study on the Vertical Stiffness of Bridge Expansion Joints Based on the Vehicle-Track-Bridge Coupled Model

open access: yesShock and Vibration, 2022
Bridge expansion joints (BEJs) are equipped at the girder end of long-span railway bridges to ensure the reliable transition of the track. BEJs should have suitable dynamic stiffness to ensure the running safety and stability of the vehicle.
Yunlu Wang, Mangmang Gao, Fei Yang
doaj   +1 more source

Correction: Behavior of turnout sleepers in a large-scale ballast box test [PDF]

open access: yesScientific Reports
Gernot Grohs   +5 more
doaj   +2 more sources

State-of-the-Art Review of Ground Penetrating Radar (GPR) Applications for Railway Ballast Inspection

open access: yesSensors, 2022
In the past 20 years, many studies have been performed on ballast layer inspection and condition evaluation with ground penetrating radar (GPR). GPR is a non-destructive means that can reflect the ballast layer condition (fouling, moisture) by analysing ...
Shilei Wang   +5 more
doaj   +1 more source

Bridging Academic Research and Business Practices at the Crossroad of Circular Economy and the SDGs

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The global shift toward sustainability has amplified interest in the Circular Economy, which aims to optimize resource use and minimize waste. In parallel, the Sustainable Development Goals (SDGs) provide a universal framework for addressing social, environmental, and economic challenges.
Corentin Juin, Andrea Nicolodi
wiley   +1 more source

A Rail Fastener Tightness Detection Approach Using Multi-source Visual Sensor

open access: yesSensors, 2020
At present, the method of two-dimensional image recognition is mainly used to detect the abnormal fastener in the rail-track inspection system. However, the too-tight-or-too-loose fastener condition may cause the clip of the fastener to break or loose ...
Qiang Han   +7 more
doaj   +1 more source

Digital documentation of railway tunnel inspection in Austria

open access: yesCivil Engineering Design, Volume 7, Issue 1, Page 3-8, March 2025.
Abstract Infrastructure, especially railway tunnels, require continuous inspection to ensure their safety. Furthermore, the detection of damages at an early stage can improve their service life. These tasks represent a major challenge for those involved and the tunnel down time is a disruption in operation.
Matthias J. Rebhan   +4 more
wiley   +1 more source

Measurement Method for Contact Wire Wear Based on Stereovision

open access: yesSensors
The contact wire wear is an important parameter to ensure the safety operation of electric railways. The contact wire may break if the wear is serious, which leads to transportation interruptions.
Wei Zhou   +5 more
doaj   +1 more source

RAMS of Railway Infrastructure A Review

open access: yesJurnal Teknologi dan Manajemen, 2023
RAMS is crucial for assuring the correct functioning of railway transportation, which is a critical mode of transit for both passengers and products. The paper provides a comprehensive overview of the components and theory of RAMS and highlights commonly used methods in each discipline.
Rachmad Indrakusuma   +1 more
openaire   +1 more source

Optimal railway infrastructure maintenance and repair policies to manage risk under uncertainty with adaptive control [PDF]

open access: yes, 2006
The aim of this paper is to apply two adaptive control formulations under uncertainty, say open-loop and closed-loop, to the process of developing maintenance and repair policies for railway infrastructures.
Pérez, Jose M.   +3 more
core  

Fintech Policy and the Rise of Green Technological Inventions

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Technological transformation can enhance enterprises' green invention by promoting knowledge spillovers, alleviating financial constraints, and supporting innovative business models. Within this framework, our study investigates the effect of technological infrastructure construction on green technology invention, using the ‘Fintech China ...
Tao Huang   +3 more
wiley   +1 more source

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