摘要
港珠澳大桥是世界最长的跨海大桥,主通航孔临近中国香港机场,为了不影响中国香港机场,采用了6.7km沉管隧道方案,在隧道两端各修建了一个人工岛实现桥隧转换,港珠澳大桥沉管隧道是我国第一次建设的大型跨海沉管隧道.岛隧工程是港珠澳大桥的控制性工程,工程位于开散海域,水文气象地质条件复杂;珠江口是世界最繁忙的通航海域之一,安全风险很大.同时,工程需要穿越中华白海豚核心保护区,在生态环境保护方面具有很大挑战性,对港珠澳大桥采用设计施工总承包模式进行建设,并研发了快速筑岛和跨海沉管隧道成套技术.结果表明,在岛隧工程7a的大规模海上工程建设中,实现了安全零伤亡,珠江口白海豚保护区的生物种群和生态环境得到了良好的保护.
The Hong Kong-Zhuhai-Macao Bridge is the world's longest cross-sea bridge.The main navigation channel of the Hong Kong-Zhuhai-Macao Bridge is close to the Hong Kong Airport.To avoid impacting the airport,a 6.7 km immersed tunnel solution is adopted.At tunnel's both ends,artificial islands are constructed to facilitate the transition between the bridge and tunnel.The Hong Kong-Zhuhai-Macao Bridge is the first large-scale cross-sea immersed tunnel built in China.The Island-Tunnel Project is the governing project of the bridge.The project is located in an open sea area with complex hydrological,meteorological,and geological conditions.The Pearl River Estuary is one of the busiest navigation channels in the world,posing significant safety risks.The project also needs to navigate through the core protection area for the Chinese white dolphin,making ecological protection a challenging endeavor.The construction is undertaken using a design-build contract model,and innovative techniques are developed for rapid island-building and the cross-sea tunneling process.The results show that throughout the seven years of large-scale offshore construction for the Island-Tunnel Project,there are zero casualties,ensuring both the safety of workers and the effective protection of the biological species and ecological environment in the Chinese white dolphin protection zone.
作者
林鸣
裴岷山
刘晓东
林巍
刘凌锋
Lin Ming;Pei Minshan;Liu Xiaodong;Lin Wei;Liu Lingfeng('China Communications Construction Co.,Ltd.,Beijing 100088,China;CCCC Highway Consultants Co.,Ltd.,Bejing 100088,China)
出处
《东南大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2023年第6期955-964,共10页
Journal of Southeast University：Natural Science Edition
关键词
港珠澳大桥
岛隧工程
人工岛
沉管隧道
钢圆筒筑岛
Hong Kong-Zhuhai-Macao Bridge
Island-Tunnel Project
artificial island
immersed tunnel
steel cylinder island construction
