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Explosives and Explosive Ordnance Disposal
containing
结构破裂
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当药包与自由面区域内的主要地质结构交叉或接近软弱面时、发生自由面破裂现象
F-bursting occurs when explosive charges intersect or are in close proximity to major geological structures or zones of weakness in the face region
爆破既产生了新的裂缝、又延展了固有的裂隙和节理、这样可松动并取出岩体结构中的“原位”岩块
Blasting involves both the creation of new fractures and the extension of existing cracks and joints to loosen and liberate "in-situ" blocks within the rock mass structure
破裂结构
fractured structure
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