深中通道隧道埋深和口门宽度论证

Demonstration on the Buried Depth of Tunnel and the Width of Entrance in Shenzhen-Zhongshan Crossing Project

探讨了珠江口矾石水道在远期深圳~中山跨江通道(下称“深中通道”)投入使用的情景下所需的隧道埋深和口门宽度,以避免深中通道影响珠江口各航道的安全通航,综合考虑珠江口现状通航条件和远期港口发展规模,综合考虑通过隧道水域的最大船舶的航道设计水深、航道施工超深及安全富裕深度等因素,计算各隧道的通航安全深度。同时,以矾石水道为例,考虑防洪要求、航道隔离带等因素,对内伶仃洋内各隧道的口门宽度分别进行了计算,并最终给出内伶仃洋内各隧道的通航尺度。

In the paper the buried depth of tunnel and width of the entrance needed for the Shenzhen-Zhongshan River Crossing Project(hereinafter referred to as the“Shen-Zhong Crossing”)are discussed to avoid the influence on the safe navigation of all fairways on the Pearl River Estuary.The current navigation conditions of the Pearl River estuary,the development scale of the long-term ports,the design water depth of the largest ship through the tunnel waters,the deep waterway construction depth and the depth of safe and prosperous conditions are comprehensively considered to calculate the safe buried depth of navigation for each tunnel.At the same time,taking the Fanshi Waterway as an example,taking into considerations of the flood control requirements and the separation of the channel etc,the width at the entrance in each tunnel inside is calculated,and the navigation scales of the tunnels inside the Lingding Ocean are finally provided.