面板堆石坝填筑石料要求具有良好的级配,以便使填筑的坝体既有较好的压实度,又有良好的排水性。郑家湾水电站工程通过现场生产性爆破试验,进行爆破参数优化,使得开采的上坝石料较好地满足了设计要求,并在经济上取得了显著成效。 Filling rockfill dam panels require a good gradation, in order to fill the dam has both better compaction, but also good drainage. The Zhengjiawan Hydropower Project, through the field productive blasting test, optimizes the blasting parameters so that the upper dam stone of mining can better meet the design requirements and has achieved remarkable economic results.