港珠澳大桥青州航道桥主体防雷设计

Lightning protection design for the main structure of Hong Kong-Zhuhai-Macao Qingzhou Bridge

文章基于港珠澳大桥主体结构防雷设计成果,主要介绍青州航道桥主体结构防雷设计。文章根据防雷等级和设计原则,详细介绍了接地网、索塔、桥墩和钢箱梁的防雷设计方案,通过相应接地跨接线连接构成大桥直击雷防护系统。方案通过专家技术审查后实施,实践证明该设计可行有效。

Based on the lightning protection design results of the main structure of the Hong Kong-Zhuhai-Macao Bridge, this paper mainly introduces the lightning protection design of the main structure of Qingzhou Ship Channel Bridge.According to the lightning protection level and design specification, the lightning protection design scheme of earth-termination system, pylon, pier and steel box girder are introduced in detail, and the external lightning protection system of the bridge is formed through the corresponding grounding span wiring connection.The scheme is implemented after the expert technical review, and the practice proves that the design is feasible and effective.