Results 61 to 70 of about 1,258 (248)
Estimating running safety factor of ballastless railway bridges using tail modelling [PDF]
, 2022 Excessive vertical acceleration of ballastless railway bridges subjected to vibrations induced by passing trains is one of the governing design criteria for bridges in high-speed lines.
Allahvirdizadeh, Reza +2 more
core +2 more sources
Vertical Nonlinear Temperature Gradient and Temperature Load Mode of Ballastless Track in China
Mathematics, 2022 In the process of heat exchange with the external environment, the internal temperature of ballastless track structure presents a nonlinear distribution.
Bin Yan +3 more
doaj +1 more source
Vertical Random Vibration Analysis of Track-Subgrade Coupled System in High Speed Railway with Pseudoexcitation Method [PDF]
, 2016 In order to reduce the ground-borne vibration caused by wheel/rail interaction in the ballastless track of high speed railways, viscoelastic asphalt concrete materials are filled between the track and the subgrade to attenuate wheel/rail force.
Jiangang Shen +5 more
core +1 more source
Usage Analysis and Evaluation of Slab Track Constructions
The Baltic Journal of Road and Bridge Engineering, 2019 Slab track is one of the technical possibilities to achieve the following goals: increase the conductivity of a railway, increase the highest permitted train speed, reduce the cost of railway maintenance, and increase the railway lifetime.
Inesa Gailienė, Vaidas Ramūnas
doaj +1 more source
Applied Sciences, 2020 To study the mechanical properties of the China Railway Track System type II (CRTS-II) ballastless slab track structure, a 1/4-scale specimen of a CRTS-II slab ballastless track-32-m standard prefabricated simply supported box girder bridge with three ...
Lingyu Zhou +5 more
doaj +1 more source
Service life evaluation of ballastless track construction
Вестник Научно-исследовательского института железнодорожного транспорта, 2019 The article presents method for calculating service life of ballastless track structure using the track oscillation model as a structure containing three infinitely long beams, the lower of which lies on the modified Winkler base, and the upper and ...
S. V. Mikhaylov
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Alexandria Engineering Journal, 2023 Due to the large daily temperature difference on the ultra-high altitude plateau of China, the actual vertical temperature gradient (TG) of ballastless track may exceed the design value in the Code. The temperature monitoring platform of the double-block
Zhen Sun, Ping Lou, Xinde Huang
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Chengshi guidao jiaotong yanjiu[Objective] Limited by engineering conditions such as the reserved connecting line on the hanging wall of the ground fissure, the existing ballastless track structure cannot meet the height adjustment function of subway track structure under large ground
KANG Xiaoli
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Effects of Redispersible Polymer Powder on Mechanical and Durability Properties of Preplaced Aggregate Concrete with Recycled Railway Ballast [PDF]
, 2018 The rapid-hardening method employing the injection of calcium sulfoaluminate (CSA) cement mortar into voids between preplaced ballast aggregates has recently emerged as a promising approach for the renovation of existing ballasted railway tracks to ...
A Qudoos +40 more
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Results of tests of ballastless track designs on the Test Loop of JSC “VNIIZhT”
Вестник Научно-исследовательского института железнодорожного транспорта, 2017 In December 2016 at the Test Loop of JSC “VNI-IZhT” comparative testing of four types of ballastless track designs (BVSP) - LVT (RZDstroy, Russia), FFB (MaxBögl, Germany), NBT (Alstom, France), EBS (Tines, Poland) - have been completed.
A. V. Savin +4 more
doaj +1 more source