【摘要】 根据现代防雷理论和《国家建筑物防雷设计规范》GB50057-94(2000年版),对大桥防直接雷击设计措施作初步的技术分析,从大桥防雷类别的确定和接闪器、引下线、接地体的设置等方面,得出了若干科学可靠、经济合理的大桥防直接雷击的具体设计措施。本文的分析,对于大桥的防雷工程设计具有一定的指导意义。更多还原

【Abstract】 According to the modern lightning protective theory and the Chinese Standard of Lightning Protection Design for Structures-GB50057-94(2000 version),this paper analyzed the direct lightning protection design for big bridges.This design contained some specific methods-definition of grades for lightning protection,air-termination system,down-conductor system and earth-termination system,for example.And good methods should be scientific,reliable,economical and reasonable.Finally,the analyses of this paper may act on the design of lightning protective engineering.更多还原