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无底柱分段崩落采矿法
释义
无底柱分段崩落采矿法
Encyclopedia
工学
阶段崩落采矿法
释
sublevel caving method without sill pillar
无底柱分段崩落采矿法
将阶段划分为分段后,自上而下逐步进行分段崩落回采矿石的采矿方法。分段下部不设由专用出矿巷道所构成的底部结构,分段的凿岩、崩矿和出矿工作在同一个分段回采巷道中顺序进行,以较小的崩矿步距向崩落区进行挤压爆破,崩落的矿石在松散覆岩下,自回采巷道的端部直接放出,利用装载设备运至溜井,再由矿石溜井溜放至阶段脉外运输巷。
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transport products
transport properties in macromolecular solution
transport properties of high temperature gas
transport property
transport quality
transport reactions of cell metabolism
transport regulation
Transports across the Chinese Mainland and Taiwan Strait
Transports between Chinese Mainland、Hong Kong and Macao
transport selector
transport selector, TSEL
transport ship
transport strategy
transport subsidy
transport superiority
transport supply
transport surface
transport system
transport theory
transport time value
transport vesicle
transposable element
transposase
transpose
transpose connectivity
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