caving system 中文意思是什麼
caving system
解釋
崩落開采法-
An experimental study on the block caving system in fengshan copper mine
豐山銅礦自然崩落法的試驗研究 -
The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result
針對大傾角煤層長壁炮采、落垛等採煤方法，存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題，開灤（集團）趙各莊礦業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中，取得了較好的社會經濟效益。 -
Abstract : by applying the system reliability and ergonomics theory, the reliability mod el of the man - machine - environment system of roadway sub - level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided
文摘:應用系統可靠性和人-機工程學理論，建立了急傾斜煤層巷道放頂煤人-機-環境系統可靠性模型，給出了系統可用度和生產能力的計算公式。 -
Study of the automatic system of fully mechanized caving face
綜放工作面自動化系統的研究 -
The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased
在分段鑿巖階段礦房法回採實踐中，用非電導爆管雷管起爆系統成功地實現了階段落礦爆破與拉底、辟漏、切槽爆破一次同步進行，提高了生產效率。 -
Study on ore loss and dilution in pillarless sublevel caving based on sls system
系統的無底柱崩落法礦石損失貧化的研究 -
On the basis of the blasting and excavation and the shotcreting and rock bolting process of a large high slope engineering, the vibration transmission laws in the presplitting blasting, the rock caving blasing and the high slope blasting where the vibration is magnified are analyzed and compared. the effect of the blasting on the slope rock mass and the quality of supporting system construction are evaluated. on this basis, the construction quality control measures are worked out
以某大型高邊坡工程的爆破開挖與錨噴支護過程為基礎，分析比較了預裂、崩巖爆破與坡高放大的震動傳播規律，評價了爆破對邊坡巖體及支護系統施工質量的影響，據此提出了施工質量的控制措施。
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