Study on the influence of seismic intensity on the mechanical ...
2023年8月30日 · The ballast bed is composed of many irregularly shaped ballast particles. When the ballast appears pulverization, space dislocation, ballast splash, and other phenomena, the mechanical properties of the monolithic ballast bed will also change.
CN115821658A - Construction method of core-spun concrete monolithic …
A construction method of a core-spun concrete monolithic ballast bed relates to the technical field of ballast beds and comprises the following steps: s1: leveling a foundation bed; s2:...
Construction method of monolithic track bed of assembled rail ...
A technology of integral ballast bed and construction method, which is applied in the direction of tracks, track maintenance, roads, etc., can solve problems such as unfavorable environmental protection, endangering traffic safety, and long construction period, so as to avoid cross-process operations, ensure railway traffic safety, and improve ...
Study on mechanical behaviours of rail fasteners and effects on …
2021年10月1日 · To reduce vibration and noise, the damping materials such as rubber cushion pads are used as the assemble parts of the rail fasteners in urban rail viaduct.
(PDF) Influence of unsupported sleepers on the dynamic stability …
2023年1月18日 · In this work, a laboratory test was constructed on a ballasted track containing unsupported sleepers. The ballasted track was excited by a wheelset, and the influence of unsupported sleepers on...
Vibration characteristics and environmental responses of different ...
2014年8月15日 · The vibration characteristics of two ballast beds are analyzed in this study from five aspects including the amplitude-frequency characteristic curve of foundation reaction. This study also shows that the maximum ground Z vibration level caused by a normal monolithic ballast bed structure is 75 dB.
Application of geocomposite placed beneath ballast bed to improve ballast quality and track stability. To cite this article: Leo Horníek et al 2017 IOP Conf. Ser.: Mater. Sci. Eng. 236 012039. View the article online for updates and enhancements. Related content.
Construction method of monolithic ballast bed of railway in …
The invention discloses a construction method of a monolithic ballast bed of a railway in a narrow tunnel.
Construction method for rapidly repairing monolithic ballast bed ...
A construction method and technology of an integral ballast bed, applied in the field of rail transit, can solve the problems of difficulty in ensuring the construction quality of the rail bottom slope, difficulty in installing rail first aid devices, and increased rail wear, so as to shorten emergency response time, reduce train operation and ...
US20240044087A1 - Apparatus and method for applying
a bonded ballast bed layer is shown, namely a ballast line cut off just outside along a rail track, which has previously been bonded by spraying on a two-component synthetic resin, in this...