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Chengdu North Marshalling national key construction projects of Sichuan Province , is the largest investment in the national railway , the highest technology content , the most technologically advanced , disposable important road network built marshalling yard , covering a total area of ??nearly 5,000 acres . Designed for two-way three of six games , two parts divided into uplink systems , downstream systems , each system is equipped to reach the field , marshalling yard , the starting field and straight field ; another to set up a maintenance reentrant segment , the Public Works repair clinics station repair . This thesis is divided into four chapters , the first chapter is the introduction , narrative Chengdu North Marshalling Station project overview and design standards ; Chapter II framing bases arranged program , including framing base , the framing base about engineering design and layout ; Chapter track panel production line laying and maintenance. The main content reciprocating the track panel production line construction technology , the track panel production processes , sleepers anchor , scattered buckle accessories , with rail processes fasteners closely linked to the process , the inspection process , track panel Daoyun process ; mechanical laying artificial track-laying , and paved turnouts curve conservation and the turnout conservation ; Chapter for the transformation of the existing station , the existing line insertion the turnouts construction technology and station changed three options , content , including rehabilitation programs and the construction of the existing station content . Involves a lot of content , use of spreadsheets , achieve rapid , accurate and efficient purpose . Of this thesis is to proceed from the field survey , the station layout , traffic requirements and main technical parameters of the marshalling yard control analysis , optimization design and put into use as soon as able to meet all the technical standards and reduce costs . Optimize the construction process to ensure the safety and quality of construction , higher economic returns through the the rational decomposition process and labor portfolio .
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