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| Research on the CPóM easurement Technology for Flat-track and Its Expenditure |
| LI Cheng-dong |
| Economic and PlanningResearch Institute of theMinistry ofRailways, Tianjin 300142, China |
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Abstract Research purposes:The flat-track is commonly adopted in passenger dedicated line in China. The CPó measurement is essential to guaranteeing the track regularity ofpassengerdedicated line, so it is a very important factor to passenger dedicated line. Based on the research on the CPó'smeasurement technology and site investigation, this paper analyzes the expenditure constitution and makes calculation of the expenditure of the CPómeasurement in accordancewith the related technical specifications and the existing expenditure standards issued by the Ministry of Railways for the purpose ofproviding the basis for defining the expenditure of themeasuremen.t
Research conclusions:Based on the research and analyses, themeasuring step, working conten,t allocations ofperson and equipment andworking efficiency ofCPómeasurement for flat-track are presented and the engineering economic ndex is given in thispaper. Through the preliminary calculations, the related expenditure ofnetCPómeasurement for flat-track is 13, 300 Yuan RMB per km on main line and the expenditure of repetition measurements is 9, 300 Yuan RMB.
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Received: 22 October 2008
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2009, Vol. 26 
