石碴坝坝料开采的块度控制

Fragmentation Control in Exploiting Dam Materials for Debris Dam

堆石坝、石碴坝坝料的块度级配控制是坝体稳定和质量的重要保证。本文介绍了沉抗水库心墙石渣坝工程的采料爆破。通过相向对称微差挤压爆破 ,合理选取爆破参数以及采用多孔粒状铵油炸药 ,使坝料块度和级配得到了良好控制 ,提高了坝体工程质量 ,加快了施工进度 ,可供同类工程借鉴。

The exploitation of dam materials by blasting for debris dam engineering is introduced. The reasonable blasting parameters are selected according to symmetrical compression blasting, the fragmentation and gradation of dam materials are well controlled by using porous prill ANFO. the quality of dam engineering is improved and the implementation is quickened.