前言海湾从来都是大陆与大陆之间交通交通的一大障碍,跨海大桥无疑使“天堑变通途”。一座跨海大桥对一个城市到底意味着什么?世界上许多沿海城市给出了答案。工程雄伟而且建造较早,也最为闻名的一座跨海桥梁是美国旧金山市的金门大桥。此桥建成于1937年,横跨旧金山湾湾口(当年航海进入美国的金门),是连接旧金山市与马林郡 Foreword The bay has always been a major obstacle to traffic and transportation between the mainland and the mainland. The bridge across the sea will undoubtedly make “natural mover a thoroughfare.” What does a sea-crossing bridge mean for a city? Many coastal cities in the world give the answer. The majestic and built earlier, and most famous, bridge across the sea is the Golden Gate Bridge in San Francisco. Built in 1937, spanning the mouth of the Bay of San Francisco (the Golden Gate that sailed into the United States of the year), the bridge connects San Francisco to Marin County