对牵法长距离张力架线施工技术

Electric Power Construction(2008)

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Abstract
<正>下庄—八达岭220 kV送电线路工程,90%处于高山大岭。N33~N69段长度为15.89 km,有37基铁塔,考虑到包络角的要求,共需安装41个放线滑车。由于该区段位于高山大岭,地形极差,按规定"每5~8 km选择一处张、牵场"和"张力放线区段的长度不宜超过20个放线滑车的线路长度"的原则,在此区段中间没有可设置为张牵场的地形。
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