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The Expansion Joint and Expansion Device for Tongling Yangtze River Bridge were Accepted in CRTE
Published:2014-01-07 09:38:31    From:Corporate Culture Dept    Click:3058


 

The expansion joint for two-way rails and expansion device for girders for Tongling Yangtze River Bridge successfully passed the review for trial manufacturing and laying in China Railway Track Equipment Co., Ltd (CRTE) on December 27, 2013. Experts and representatives from Beijing-Fuzhou PDL Anhui Limited Liability Company, China Railway Engineering Design Consulting Group Co., Ltd, China Railway First Survey & Design Institute Group, China Railway Second Survey & Design Institute Group, China Railway Fourth Survey & Design Institute Group, China Railway Major Bridge Survey & Design Institute Co., Ltd, Southwest Jiaotong University, China Academy of Railway Sciences, and China Railway Major Bridge Engineering Group Co., Ltd, as well as CRBBG's Deputy General Manager Dong Yanlu, attended the meeting.

During the meeting, the experts made field inspection and test on CRTE's trial manufactured and laid track product, and came to an agreement that the product was in good technical condition and all indicators satisfied the design requirement and relevant technical specifications, thus it was approved to pass the trial manufacturing and laying review and the subsequent mechanical test could be done.

The expansion joint for two-way rails of ballast track and expansion device for girders for Tongling Yangtze River Bridge was one of the main parts of the project of "Research on Key Technologies of Long Span Combined Cable Stayed Bridge" approved by the former Ministry of Railways in 2010, and was the first self-developed packaged technology for expansion joint and expansion device in China, which was used in track products for 250 km/h above high speed railways. To accomplish the task of shop trial manufacturing and laying of the product, CRTE set up a leading group directed by the Deputy General Manager, with the function to integrate main technological and production resources, organize and implement trial manufacturing and laying, strictly control the quality and clarified process details at each stage. With all difficulties overcome, the trial manufacturing and laying of the product were satisfactorily completed.




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