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围海造地发展沿海工业和建设港口,近年来被一些国家广泛采用。以日本为例,从1954年到1973年的二十年间,围海造地的面积达3.6万公顷。素以“低洼之国”著称的荷兰,从十九世纪以来,围海造地62万公顷,几乎等于本土面积的1/5。大阪南港工程是在超软弱地基上围填起来的大型港口工程。1958年开工,预计可在81年竣工,历时二十三年,耗资约一万亿日元。该工程中的软基加固处理方法,深水围堰施工,以及综合规划、分期建设的特点均
Coastal land development Coastal industrial and construction of the port, in recent years by a number of countries widely used. Take Japan as an example. During the two decades from 1954 to 1973, the area of land reclaimed by sea was 36,000 hectares. Known for its “low-lying country,” the Netherlands, which built about 620,000 hectares of sea around the sea from the nineteenth century, is almost equal to one-fifth of its homeland. Osaka Nangang Project is a large-scale port project built on the ultra-weak foundation. Started in 1958, is expected to be completed in 81, which lasted 23 years, cost about one trillion yen. The project of soft ground reinforcement methods, deep-water cofferdam construction, as well as comprehensive planning, construction phases are characterized by