针对大跨越风速大、跨距远、跨越高的特点，从复合架空地线（optical fiber composite overhead ground wire，OPGW）的机械性能、耐雷性能、防振设计等方面对舟山特大跨越的OPGW设计、选型进行了分析，提出了适合工程的OPGW设计方案。

According to the characteristics of large wind speed，large span and high suspension of the Zhoushan large-crossing project, an analysis is conducted on the selection of the optical fiber composite overhead ground wire（OPGW）in terms of mechanical properties, lightning performance and vibration design, and an appropriate OPGW design scheme is proposed for the project.