Abstract Research purposes: The Pandrol fastening is a kind of elastic divided fastening without shoulders，and its application in Heifei—Wuhan Railway was the first time for China to use．No Bi—block sleeper for the Pandrol fastening has been designed or produced in China before．This paper introduces the design of Bi—block sleepers for the Pandrol fastening to provide the reference to the design of ballastless track．
Research conclusions: The Pandrol fastening is largely different from the other fastenings in matching rail with sleeper，anchor mode，isolation system，fixing systems for fastening and base plate，SO during the design of bi—block sleeper，the factors such as the moulds manufacture，the stripping technique，size accuracy，storage of finished products， conveying，connection with track bed and the durability of ballastless track structure should be considered together．
2009, Vol. 26 
