Results 11 to 20 of about 326 (155)
Applied Sciences, 2020 Compaction quality of railroad subgrade relates directly to the stability and safety of train operation, and the core problem of the Intelligent Compaction of railroads is the transmission and evolution characteristics of vibration wave.
Changwei Yang +4 more
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Recent Progress in Distributed Fiber Optic Sensors
Sensors, 2012 Rayleigh, Brillouin and Raman scatterings in fibers result from the interaction of photons with local material characteristic features like density, temperature and strain.
Xiaoyi Bao, Liang Chen
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Strengthening of the railroad track for high-speed traffic on the Bukhara-Misken section [PDF]
E3S Web of ConferencesIn the article the work of ballast prism and subgrade is considered, on the basis of analysis two-layer reinforcement from geotextile is offered, also strengthening by water-soluble polymer in conditions of sandy zone on high-speed sections of railroads ...
Abdujabarov Abduhamit +3 more
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Recent Progress in Brillouin Scattering Based Fiber Sensors
Sensors, 2011 Brillouin scattering in optical fiber describes the interaction of an electro-magnetic field (photon) with a characteristic density variation of the fiber.
Liang Chen, Xiaoyi Bao
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A review of karst collapse mechanisms
Carsologica Sinica, 2023 Karst collapse is a global geohazard and has been reported to occur in 23 countries, including China, the United States of America, Canada, South Africa, Italy, France, the United Kingdom, Germany, Russia, and Turkey.
Xiaozhen JIANG +6 more
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Ring model of railroad wheel vibrations [PDF]
The Journal of the Acoustical Society of America, 1982 A ring model for prediction of the vibration characteristics of railroad wheels is presented. Earlier workers showed that ring theory gave a good explanation of the ratio of resonant frequencies in the railroad wheel, assuming flexural modes are excited in the rim. It was assumed that the massive rim drove the plate of the wheel in forced vibration. In
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Use of Gas Cushions for Field Measurement and Analysis of Hybrid Vibration Isolation Wall
, 2006 Ground vibration induced by traffic, such as occurs on roads, highways, and railroads, may become a nuisance to nearby inhabitants and buildings. These problems have recently increased, especially in urban areas as higher environmental quality is ...
Hitoshi Kanda +2 more
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International Journal of Prognostics and Health Management, 2016 Railcar condition is an important factor in the complex web of relationships between railroads, railcar leasing companies, shippers and railcar builders. The most important reasons for this are operational safety and economic considerations pertaining to
Parham Shahidi +2 more
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Vibration damping to control railroad wheel squeal [PDF]
The Journal of the Acoustical Society of America, 1983 The squeal noise radiated by rapid transit wheels on sharp turns is an important instance of friction generated noise. It is caused by the lateral slip-stick frictional force between the wheel and railhead. Noise control methods such as rail lubrication, hard faced rails, tuned wheel dampers, and resilient wheels have not been entirely satisfactory ...
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Вестник Научно-исследовательского института железнодорожного транспорта, 2017 Constructions along railway traffic lines are always exposed to vinrations generated by the passing transport. This sometimes leads to shifts in their state even threatening the comfort of the people that stay here.
N. K. Kapustyan +2 more
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