【摘要】 本文介绍了汾河二库采用预裂爆破在大坝岸坡石方开挖工程中的成功经验及预裂爆破的原理、参数选择、施工技术、网络设计、爆后检测更多还原

【Abstract】 In this paper,the successful application of the presplit blasting in rock excavation of dam bank of Fenhe Reservoir Ⅱ is introduced,the theory, selection of main parameters,construction technique,network design and check after blasting are illustrated for the presplit blasting.更多还原