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- W2357179616 abstract "Considering wind-break structure along railway line has effect on the wind speed of overhead contact line systems(OCS) seriously,this paper made a research on the calculation method of the wind speeds of OCS under the influence of wind-break structure in wind region.Based on the research results of wind speed parameters at different heights of both contact wire and messenger wire of OCS behind wind-break structure,the wind pressure variation coefficient used for structure design wind speed was calculated by using equivalent pillar-base bending moment method;and also the wind speed variation coefficient used for normal operation wind speed behind wind-break structure was calculated by using equivalent wind deflection method.And then,by using the wind pressure variation coefficient or wind speed variation coefficient behind wind-break structure to modify the structural basic wind speed and the work stoppage wind speed,the calculation methods and formulas about the structure design wind speed and the normal operation wind speed were deduced respectively.At the end of this paper,the calculation result of the two wind speeds of OCS for the second double-track on Lanzhou-Xinjiang High-Speed Railway within wind region of 100 km were given." @default.
- W2357179616 created "2016-06-24" @default.
- W2357179616 creator A5003094662 @default.
- W2357179616 date "2013-01-01" @default.
- W2357179616 modified "2023-09-27" @default.
- W2357179616 title "Research on Calculation Method of Wind Speeds of Overhead Contact Line System under the Influence of Wind-break Structure in Wind Region" @default.
- W2357179616 hasPublicationYear "2013" @default.
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