pillar caving 中文意思是什麼
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Based on the geological and mining conditions and occurrence characteristics of loose aquifer of xinglongzhuang colliery, water bursting cause of 4303 full - mechanized caving mining face under loose aquifer was analyzed, the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper
摘要根據興隆莊煤礦地質采礦條件，結合鬆散含水層賦存特徵，分析了四采區4303綜放工作面第四系鬆散含水層出水的原因，探討了防治三含水的技術途徑和留設防砂煤柱的合理尺寸。 -
Study on distribution laws of stress in inclined coal pillar for fully - mechanized top - coal caving face
綜放面傾向煤柱支承壓力分佈規律研究 -
Top - coal caving technology using - steel applied for pillar extraction
型鋼放頂煤技術在煤柱回收中的應用 -
Stress analysis and parameter optimization of coal pillar in gateway of fully mechanized caving face
綜放工作面回採巷道煤柱應力分析與參數優化 -
The method to determining optimal structure parameter of non - pillar sublevel caving
無底柱分段崩落法最佳結構參數的確定方法 -
Based on the analysis of the evolution of the structural parameters of non - pillar sublevel caving of mines both in and outside china, it is pointed out that increasing continuously the sublevel height is not suitable for application in china because of the limitation of various factors while increasing the access space is the main way to reduce the amount of developing work, reduce the mining cost and increase the one - time caved ore amount so as to raise the mining strength and the labour production rate
分析了國內外礦山無底柱分段崩落法結構參數演變過程后指出，繼續增大分段高度由於諸多因素的限制，在我國並不適宜推廣應用，而增大進路間距卻是減少採準工程量、降低采礦成本、增大一次崩礦量、提高采礦強度和勞動生產率的主要途徑。
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