Study on wheel wear for heavy axle load freight cars running on Chinese Da-Qin coal line

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TypeArticle
Proceedings titleInternational Heavy Haul Association Conference: IHHA 2011, Calgary, Canada, June 19-22
ConferenceInternational Heavy Haul Association Conference: IHHA 2011, June 19-22, 2011, Calgary, Canada
SubjectHeavy haul; Freight car; Wheel; Wear; Da-Qin Coal Line
AbstractDa-Qin line is the first coal transportation dedication line in China with total length of 653 km . Its annual volume in 2010 achieved 400 million tonnes. The train can be operated at hauling tonnage of 10,000 tons and 20,000 tonnes, 2.5 days per cycle. It runs at the highest operation density in the world. However wheel wear became a problem after the coal car axle load was increased. Therefore a special study was conducted on wheel wear for the C80B stainless steel coal gondola car with ZK6 bogie based on special operation conditions of Da-Qin line. Wheel and track wear were measured on site and interaction between wheel and track were simulated. Test data were analyzed and compared against wear wheel for heavy axle load freight cars in other foreign countries. An assessment was made on wheel wear for freight coal cars after increase of axle load, recommendations made for reducing wheel wear and recommendations for further studies provided.
Publication date
PublisherInternational Heavy Haul Association
LanguageEnglish
AffiliationNRC Centre for Surface Transportation Technology; National Research Council Canada
Peer reviewedYes
NPARC number23000281
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Record identifier209451b7-d9d5-4350-a35f-f93e3d292d7e
Record created2016-07-04
Record modified2016-07-04
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