大江截流及二期围堰主要技术问题优化决策

Optimization of Treatments of Main Technical Problems of TGP's Main River Closure and Second Phase Cofferdams

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。

Discusses the optimizing process of treatments of the main technical problems,which include the construction schedule, the field plan and the balance of earth and rock works, method of the river closure and cofferdams' sections, procedure and time of the river colsure, form of the cutoff, construction of the cut-off walls