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大武口电厂的灰坝,高20m(一期10m)长约6000m,是用工业废料煤碎石筑成,于1985年底投入运行,两年多来运行正常.该坝采用煤歼石料后,运距缩短(只有500m),用国产135KN重型振动辗压实,每层铺料厚度增大、提高了工效、缩短了工期.仅就坝料一项,较原方案就减少37万m~3,节省投资170万元,是目前我国建成的第一座煤矸石坝.本文对煤矸石的一些筑坝特性,进行了初步研究和总结,以供今后在研究利用该类废料及加速坑口电站建设中参考.
The ash dam of Dawukou Power Plant is about 6,000m high with a height of 20m (one phase of 10m) and is made of industrial wastes, put into operation at the end of 1985 and operated normally for more than two years. (Only 500m), with domestic 135KN heavy vibration rolling compaction, the thickness of each layer of paving increased, increased work efficiency, shorten the construction period.Only a dam material, compared with the original program to reduce 370,000 m ~ 3, saving investment 1.7 million yuan, is the first coal gangue dam built in our country.This paper conducts a preliminary study and summarizes some damming characteristics of coal gangue for reference in the future in the research and utilization of such wastes and accelerating the construction of the pit mouth power station.