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Paper , based on the large span suspension bridge cable erection for background ( main cable by PPWS Erection ) for Cable Strand quantity , weight , long distance towing the construction technical problems , combined with the \large-tonnage , long-distance traction new construction technology research , made ??a series of rich practical value of research results , a good reference for future long - span suspension bridge main cable erection . Traction technology for domestic and international Suspension Bridge is a comprehensive analysis and comparison of practical engineering -depth study of the composition of the two-lane reciprocating door frame to pull traction system , general arrangement , the system is running the worst operating condition and power equipment requirements, key machinery and equipment design and selection of parameters ; erection of traction system ( project realization ) and the improvement of technical , research and analysis of the selection and design of the program of pilot cable crossing the river (sea) , the Catwalk erection stage and the strand erection stage traction system layout program and its system conversion technology, safety procedures and quality assurance measures ; various quality problems that may arise in the course of construction for the main cables over long distances traction , analyze the causes and countermeasures research and propose solutions. After more than a few aspects of the research , the initial formation of a set of standardized , systematic Suspension Bridge Cable Strand the traction technology research theory , by China third in the world , \the occurrence of the shape of the strand to maintain a good , effective control of the random wire strand , hula hoops, torsion , had erection of 8 ( unilateral 4 ) a day at home and abroad fastest construction records , to ensure that the bridge cable Strand quality and efficient traction construction .
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