نتایج جستجو برای: concrete sleeper

تعداد نتایج: 76768  

Journal: :Journal of Geotechnical and Geoenvironmental Engineering 2014

Journal: :Pamukkale University Journal of Engineering Sciences 2016

Journal: :Journal of Cleaner Production 2021

To minimize the maintenance frequency as well environmental impact caused by growing number of railway materials reaching end their lives, appropriate sustainable management is inevitable prior to either turning them into wastes or leaving in landfill sites. This paper presents recent developments Fibre-reinforced Foamed Urethane (FFU) sleepers installed turnouts. It determines recycling and re...

Journal: :Journal of the Computational Structural Engineering Institute of Korea 2012

Journal: :Nauka i Tehnika 2021

The problem of damping the noise on track, arising from movement train, is solved sufficiently but it simple, if rail with spacers laid inside longitudinally located band sleeper-mechanism. result a layered thread, consisting belts: tape elastic three sides, tie-mechanism and ballast layer. unity layers carried out due to their own mass. This static track without external load. Rail compression...

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