Results 81 to 90 of about 751,043 (293)

Control Strategy of the Brake Dynamics for Railway Vehicles Equipped with Anti-Slip-Device [PDF]

, 2006
From the point of view of railway vehicle braking processes it is an important requirement to maintain the roll-ing-motion-state of the wheels, i.e. the macro-sliding-free rolling contact between the vehicle wheels and the rail-head, since in the course ...
Békefi, Elemér, Zobory, István
core   +1 more source

A Technology‐First Framework for SDG Implementation in Carbon‐Based Economies: Empirical Evidence and Policy Implications

Sustainable Development, EarlyView.
ABSTRACT Only 17% of Sustainable Development Goal indicators are globally on track, yet the structural conditions explaining this failure remain inadequately theorised for fossil‐fuel‐dependent economies. This study develops and empirically tests a four‐layer loop framework of Technology, Well‐being, Social Equity, and Sustainability closing through ...
Sameh W. H. Al‐Muqdadi, Dunya Al‐Hayali, Ahmed H. Saadoon, Basma Al‐kinani, Sama Yas, Nechirvan Kalary, Zahraa Obaid, Ahmed A. Mouhsen, Mariam M. Majeed, Nasr Alani   +9 more
wiley   +1 more source

On railway track receptance

Soil Dynamics and Earthquake Engineering
Scopus
Lamprea-Pineda, A.C., Connolly, D.P., Castanheira-Pinto, A., Alves-Costa, P., Hussein, M.F.M., Woodward, P.K.   +5 more
openaire   +3 more sources

Estimation of railway vehicle speed using ground vibration measurements [PDF]

, 2014
In railway noise and vibration assessment, the vehicle speed is a significant concern, since vehicle/track and track/soil interaction strongly affects the vibration magnitude.
Verlinden, Olivier, Forde, Mike, Kouroussis, Georges, Forde, Mike C, Connolly, David   +4 more
core  

Are client ties pre‐entry resources? Performance implications of client tie diversification

Strategic Management Journal, EarlyView.
Abstract Research Summary This study investigates client tie diversification, where firms enter markets with existing clients. Recognizing the theoretical basis for both positive and negative performance implications, the paper adopts a question‐driven approach and discovers a strong negative correlation between client tie diversification and firm ...
Heejung Byun
wiley   +1 more source

Vibration of railway bridges in the audible frequency range

, 2009
The noise level associated with a train travelling on a bridge is normally greater than that for a train travelling on plain track. It is sometimes the bridge noise that causes the highest levels of disturbance to people in the vicinity or triggers ...
Herron, David
core   +1 more source

Multi‐level fatigue reliability assessment of reinforced concrete railway bridges

Structural Concrete, EarlyView.
Abstract This paper presents a multi‐level reliability framework for assessing the fatigue life of reinforced concrete (RC) railway trough bridges subjected to cyclic loading. The framework incorporates increasing levels of analytical complexity and real‐world data in four steps. First, an analytical model applies S–N curves and the Palmgren–Miner rule
Silvia Sarmiento, Jaime Gonzalez‐Libreros, Chao Wang, Lennart Elfgren, Ola Enoksson, Tommy Höjsten, Lars‐Olof Andersson, Gabriel Sas   +7 more
wiley   +1 more source

Multifractal Analysis of the Common Crossing Track-Side Measurements

Civil and Environmental Engineering, 2019
The deterioration common crossing elements increase the need for the maintenance of crossings and significantly reduce the reliability, availability and safety of railway traffic.
Sysyn Mykola, Izvolt Libor, Nabochenko Olga, Kovalchuk Vitalii, Sestakova Janka, Pentsak Andriy   +5 more
doaj   +1 more source

Research related to vibrations from high speed railway traffic [PDF]

, 2008
We discuss here recent results from several research programmes related to dynamic aspects and vibrations induced by high speed railway traffic, developed at the computational mechanics group, within the “Escuela de Ingenieros de Caminos” of the ...
Gabaldón Castillo, Felipe, Goicolea Ruigómez, José María   +1 more
core  

Effective axial strength of laterally strengthened RC pier heads with post‐tensioning method

Structural Concrete, EarlyView.
Abstract This study investigates the structural performance enhancement of reinforced concrete (RC) pier heads laterally strengthened with unbonded post‐tensioning (PT) to accommodate increased design loads following a deck replacement of an existing railway bridge.
Yujae Seo, Hyunjin Ju, Benjamin Täubling‐Fruleux, Alfred Strauss   +3 more
wiley   +1 more source