日前,杭州湾跨海大桥防撞设施升级改造工程首根桩基顺利施打完成,这座长三角交通大动脉正式开启防御升级模式。
工程将在北航道桥主墩上下游各建一个独立防撞墩(共4个),配套柔性防撞设施和延性保护装置,形成“柔性防撞设施+独立防撞墩+延性保护装置+桥梁主墩”四重防护体系——相当于给桥墩穿上一件“柔性铠甲”,以满足2万吨级散货船防撞要求,全面提升大桥抗船舶撞击能力。

施工期间,嘉兴海事局构建“靠前服务、严管压实、全程值守、闭环管控”全流程保障机制,运用“CCTV+VTS+海巡艇+无人机”四维一体监管体系,海巡船艇现场全程驻守,联合渔政部门清理碍航渔网,在保障施工安全的同时,确保桥区通航秩序井然。
首根桩基的顺利施打,标志着大桥安全防护能力迈出关键一步。随着四座独立防撞墩陆续建成,将为杭州湾跨海大桥筑起一道坚实的水上防线,让“海上长龙”更加安全稳固。
来源:潮新闻
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