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charge layout of chamber blasting
expl.
硐室爆破药包布置方法
药包布置是用垂直地形剖面法确定爆区内各个药包的空间位置及其相互关系。在爆区地形图上按已确定的爆破标高,首先布置主药包,然后布置辅助药包。布置多排分层群药包时,应使各药包间呈三角形或菱形分布。当整个爆区药包布置完之后,再根据药包布置平面图作出药包间距关系图并进行检查,校核各药包的位置是否合理、布药是否均匀,以便进一步调整
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