1958年第7期人民长江杂志曾发表了我组“三峡水利枢纽导流及围堰工程初步研究”(以下简称上交)一文,该文对包括南Ⅲ美Ⅷ的两个坝区的导流围坝工程,作了全面介绍,但由于篇幅所限,对其中关键问题未作进一步的探讨。在该文发表后,研究工作又有新的发展,为此特整理编写本文,以补上文之不足。 People’s Yangtze River magazine published the first article of “Preliminary Study on the Diversion and Cofferdam Construction of the Three Gorges Project” (hereinafter referred to as “submit”) in 1958, No. 7, which introduced the diversion of two dam areas Dam project, made a comprehensive introduction, but due to space limitations, no further discussion of the key issues. After the publication of the article, there have been new developments in the research work, for which reason we specially compiled this article to make up for the shortcomings.