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货运施工索道在输电线路工程的物料与塔材运输中起着十分重要的作用。文章根据输电线路地形特点,对比了现有几种索道形式以后,提出适合输电线路建设的双承重索、单牵引索的工作索布置方案。采用抛物线理论和悬链线理论2种计算方法,互为校核和补充。在中挠系数取0.02～0.06时,2种理论计算结果误差率满足工程要求。
Freight transport construction ropeway in the transmission line engineering materials and tower transportation plays a very important role. According to the characteristics of transmission line topography, the paper proposes the layout of work cables for double-load cables and single-traction cables that are suitable for transmission line construction after comparing the existing types of cableways. Parabolic theory and catenary theory using two kinds of calculation methods, check and complement each other. The deflection coefficient in the take 0.02 to 0.06, the two theoretical results of the error rate to meet engineering requirements.