Abstract：Research purposes ： The design of wielded turnout on bridge is one of key technologies for passenger dedicated line. At present, the research on welded turnout on bridge just begins in China, the systemic calculation theory and design methods are not yet formed, so it is very important to do the researches on the calculation theory and the design methods of welded turnout on bridge of Chinese passenger dedicated line. This paper puts forward the design methods for the purposes of establishing the calculation model and explores the development trend of technology for welded turnout on bridge.
Research conclusions ： By means of introduction of technology along with independent innovation and on the basis of absorption and digestion of advanced foreign design concepts，a design method and design system of welded turnout on bridge have been established primarily, which can provides the basis for designing of welded turnout on bridge. The integrated calculation model of M Welded Turnout - Bridge 一 Pier t" presented in this paper can describe action between welded turnout and bridge in truth. This design method of welded turnout on bridge is very feasible and the research results can provide important guidance for the design and construction of welded turnout on bridge for Chinese passenger dedicated line.
李秋义，孙立，杨艳丽. 客运专线桥上无缝道岔设计方法研究[J]. 铁道工程学报, 2008, 25(12): 50-53.
LI Qiu-yi,SUN Li,YANG Yan-li. Research on the Design Method for Welded Turnout on Bridge of Passenger Dedicated Line. 铁道工程学报, 2008, 25(12): 50-53.
2008, Vol. 25 
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