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- W2351487029 abstract "Sand hazards in the Honglianghe Section of the Qinghai-Tibet Railway are serious,and the effect of current controlling measures is limited due to the fact that the causes remains unclear.In order to further understand systematically the laws of sand hazards along the Qinghai-Tibet Railway,the source of sandy materials,sand blowing environment and sand storm protection measures were studied for the Honglianghe Section through field observation and indoor analysis.The results were discovered as follows:Sandy materials are mainly blown from the sandy hill west of the railway line and composed of fine sand grains;yearly sand-moving winds are dominated by two groups of wind directions of W and NNE,accounted for 18.43% and 17.21%respectively,and it is the W wind which actually causes sand hazards;the yearly drift potential is 315.50 VU,the resultant drift potential is 204.97 VU and the yearly direction variability rate is 0.65 with the resultant drift direction being 102.41°;in the windy dry season(mainly for 1~3 months),sandy materials were blown and moved from west to east and were accumulated to cause disasters when coming to the barriered of the north to south railway subgrade.This paper put forward the sand control mode,i.e.,relying mainly on sand blocking and fixing while making sand transport and diversion supplementary and adhereing to the principle of far and outer sand blocking and near and inner sand fixing.The mode has reference significance to control of sand hazards in other similar zones." @default.
- W2351487029 created "2016-06-24" @default.
- W2351487029 creator A5080494681 @default.
- W2351487029 date "2014-01-01" @default.
- W2351487029 modified "2023-09-26" @default.
- W2351487029 title "Causes and Controlling Mode of Sand Hazards in Honglianghe Section of Qinghai-Tibet Railway" @default.
- W2351487029 hasPublicationYear "2014" @default.
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