广州地铁四号线高架防雷设计

Design of Lightning Protection for Elevated Part of Line 4 of Guangzhou Metro

阐述了广州地铁四号线高架车站和区间防雷设计的总体思路,总结出适用于广州地铁各条新线的高架车站和区间的防雷设计的注意要点,包括:①以黄阁北站高架车站为例说明了金属屋面、玻璃屋顶、接地网的防雷设计做法;②高架区间的防雷措施;③屏蔽、等电位联结、防雷电波侵入与SPD的设计,合理布线;④施工安全指导。

The general clew of the lightning protection design for the elevated stations and sections of Line 4 of Guangzhou Metro has been described. Key points for attention which are suitable for the lightning protection design of the elevated stations and sections of new routes of Guangzhou have been summarized ： ① taking the elevated station of Huanggehei Station as an example to demonstrate the specific approaches of lightning protection design for metallic roofing, glass roof and earthing network;② specific lightning protection measures in the elevated sections; ③design and reasonable wiring of shield, equipotential bonding, anti-intrusion of lightning waves and SPD; ④safety guide for construction.