The Investigation and Analysis of the Use of Rail Fastening in Shanghai

In this paper, rail fastening of shanghai metro line1,2,3,4, the species distribution from a variety of fasteners and fastening performance comparisons of the two main aspects of the investigation. To mastered the main content of the use of Shanghai Metro rail fastening. Analysis of the popular types fastener of Shanghai subway such as type WJ-2 fastener, type DTIII fastener, type DTIII-2 fastener, type II elastic fastener. Track fastener in the actual use of shock absorber characteristics of the process. Come to Shanghai Metro rail fastening design and selection of line with actual needs, Shanghai Metro rail fastening series featured a wide variety and distinctive. Also pointed out that lack of adjustable fasteners, fastener corrosion, fastener and the lack of vibration reduction and performance degradation caused by a wide range of management and maintenance of complex and emphasize on the use of investigation and analysis of search problems, tracking the course of the development, research the causes and improve the conservation measures to maintain rail fastening methods Keti the safe operation of the subway has a crucial role in.