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(一)前言汉江丹江口水利枢纽工程采用分期导流,第一期先围右岸,在围堰保护下修建第9～18块溢流壩体及上下游砼纵向围堰,第11～17块壩体内预留13个4×8米及2个2×4米的底孔,作为截流及后期导流时宣泄河水之用。第一期工程完成后,即进行左岸河床截流,修建第二期左岸围堰,在左岸围堰的保护下,修筑第19～24块溢流壩段,25～32块厂房壩段及电站厂房。左岸河床截流工程是施工中的关键。在湖北省委及工地党委正确领导下,经过劳动大军25天的奋战,提前完成了非龙口部分截流堆石体的抛筑,并于去
(I) Introduction Hanjiang Danjiangkou Water Control Project adopts stage-by-stage diversion. The first stage first encloses the right bank, and the overflow structures of No. 9 ~ 18 and longitudinal concrete cofferdams of upper and lower reaches are constructed under the protection of cofferdam. The 11th ~ 17th dams The body reserves 13 4 × 8 meters and 2 2 × 4 meters of the bottom hole, as the closure of flow and catharsis when the latter vent. After the completion of the first phase of the project, river bank closure will be carried out on the left bank and the second bank of the left bank will be constructed. Under the protection of the left bank cofferdams, overflow dam sections 19 to 24, 25 to 32 dam sites and power station buildings . The left bank river closure project is the key to construction. Under the correct leadership of Hubei Provincial Party Committee and Construction Party Committee, after a 25-day hard work of the labor force, the completion of the non-Longkou part of the closure of the stone body to throw in advance,