武汉二七长江大桥防雷与接地设计  

Lightning Protection and Earthing Design for Erqi Yangtze River Bridge in Wuhan

作　　者：贾双荣[1] 

机构地区：[1]中铁大桥勘测设计院集团有限公司,武汉市430056

出　　处：《建筑电气》2013年第12期35-37,共3页Building Electricity

摘　　要：介绍武汉二七长江大桥的直击雷防护、侧击雷防护措施和电涌保护器的设置,以及接地设计、接地电阻的检测、施工要求等,重点介绍大桥利用基础桩基内外边缘的结构钢筋(包括钢护筒)作为接地极的做法。Protective measures for direct lightning flash and side lightning flash, setting of surge protection device, resistance inspection earthing design, earthing and related construction requirement of Erqi Yangtze are introduced. Methods reinforcement at interaal foundations of the bridge River Bridge in Wuhan of utilizing structural and external edges of pile （including steel casing） as earthing electrode are highlighted in the introduction.

关 键 词：二七长江大桥 接地装置 接地电阻 接闪器 引下线 直击雷 电涌保护器 防雷分类 

分 类 号：TU895[建筑科学]