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结合国家重点工程天生桥一级水电站施工试验，分析了面板堆石坝坝体堆石料采料爆破的块度控制。重点研究了料和料现场试验和施工过程，满足设计堆石料块度级配要求的爆破参数调整。根据施工现场的特点，提出了采用修正后的ＫＵＺ－ＲＡＭ模型作为预报合理块度相应的采料爆破参数的数模．通过编程计算，达到在现场实时控制堆石料级配的目的。
Combined with the construction test of the Tianshengqiao First-cascade Hydropower Station under the state key project, the block control of the rockfill material blasting in the face rockfill dam is analyzed. Focusing on the field test and construction process of materials and materials, the adjustment of blasting parameters to meet the requirements of grading and grading of the design of rockfill materials. According to the characteristics of the construction site, a modified KUZ-RAM model is proposed as a numerical model for predicting the reasonable blasting parameters of blasting. Through programming calculation, it realizes the purpose of controlling the gradation of rockfill in real time in the field.