1前言崇明越江通道工程位于长江入海口,南起上海浦东新区,中连长兴岛,北至崇明岛(见图1)。它由长江隧道和长江大桥两部分构成。它的建设对形成和完善沿海交通大通道、充分发挥上海市的区位优势、促进沿海开放带经济发展跃上新台阶、进一步实现国家“两沿”战略、提高和强化上海 1 Introduction The Chongming River Channel project is located at the estuary of the Yangtze River, starting from Shanghai’s Pudong New Area to the south and linking Changxing Island to the north and Chongming Island to the north (see Figure 1). It consists of the Yangtze River Tunnel and Yangtze River Bridge in two parts. Its construction is of great importance in forming and perfecting the major thoroughfare in coastal transportation, giving full play to its geographical advantages in Shanghai, and promoting the economic development in the open coastal zone to a new level, further realizing the national “two-edge” strategy and enhancing and strengthening Shanghai