在百龙滩水电站流道混凝土施工中，通过对原材料：水泥、粉煤灰、人工骨料、水、DL剂的选择，采用不同的水胶比、单位用水量、最佳砂率、掺粉煤灰和DL剂进行试验，在现场生产性应用验证，从而获得最佳的不同级配高流态混凝土，取得高速优质施工的良好效果。 Through the selection of raw materials: cement, fly ash, artificial aggregate, water and DL agent, the water-cement ratio, unit water consumption, optimum sand rate, mixed powder Coal ash and DL agent test, the field of production application verification, so as to obtain the best different levels with high-flow concrete, high-speed high-quality construction achieved good results.