道桥毕业设计英文文献翻译--长轨排法一次铺设整体道床无缝线路施工

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1、 1 Long track row method once build a whole way a bed have no suture road start construction Abstract : Nanjing metro short sleeper long track laying a row overall bed CWR Construction, elaborate short sleeper long track laying a row overall bed CWR in metro construction of the five key technologies

2、, use of the technology in the subway construction, ensuring the quality and safety of construction, saving time and costs, have good economic and social benefits. Keywords : short sleepers and long track arrangement, the overall bed. Traction Chinas urban rail transportation construction in the mod

3、ernization process of reform and opening up Dongfeng Inspired by the rapid development and bounds. Currently MTR overall bed has been widely applied in short-track arrangement Construction. Short track scheduling major tracks “for track“ and “Buy welded rail“ two. Rail tracks available tools to adop

4、t formal standards track. Tools used orbit, the need for a shop long rail that the law known as the “changing track“; The use of standard rail, and the whole bed is completed, online direct rail welding standard form CWR method, known as “Buy track welding method.“ Nanjing Subway Construction is operating inside the tunnel of small, poor operating conditions, the line of small curve radius, the line slope comparison, Time short and heavy tasks such characteristics with the previous method ca