【摘要】 综放开采经过20年的试验、发展与推广提高,取得了显著的成就。实践证明综放开采是一种高产、高效、安全、低耗、经济效益好的采煤方法。但是,综放开采在诸如顶煤运动规律、工作面装备水平、安全技术等方面仍存在不足和未知之处。据此,提出了新世纪综放开采技术发展的设想。更多还原

【Abstract】 A great progress has been made on longwall topcoal caving mining in china through 20 years’ testing, developing, and practicing and it is proved to be a good mining method of high output and productivity, safe and low consuming with economic benefit. However, its weaknesses or unknown fields still exist, such as topcoal moving track, face equipment level, safety technology etc. Seeing this, the paper presents prospects for the developing direction of this method in the new century更多还原