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论述了三峡大江截流及二期围堰实施过程中的施工进度计划、料场规划与土石方平衡、截流方式与围堰断面形式、截流进占程序和时段、防渗形式、防渗墙施工等主要技术问题的优化完善过程
The construction schedule of the Three Gorges major river closure and the implementation of the second phase cofferdam are discussed. The main technologies such as material yard planning and earthwork balance, closure method and cofferdam section form, closure interception procedures and time slots, seepage prevention forms and impervious wall construction are discussed Problem optimization and perfection process