【作者】 蒲文龙；

【导师】 张宏伟；

【作者基本信息】 辽宁工程技术大学 ， 采矿工程， 2005， 硕士

【摘要】 本文通过理论分析、实验研究、数值模拟和现场监测相结合方法,根据长沟峪矿地质构造条件和煤层赋存特点,确定柔掩支架在大倾角厚煤层(35~50,5~8m)条件下的支护特性、围岩的活动规律、矿山压力显现规律、开采技术参数等,提出安全开采技术方案,提高回采率。 研究表明伪倾斜柔掩支架侧放煤采煤法具有良好的适应性,它打破了传统的单一伪斜柔性掩护支架丌采的框架及巷道柿置方式,建立起新的采煤系统(即在一个采区内应用两种采煤工艺、采煤方式进行合理的巷道布置和丌采)。其经济效益、社会效益显著。本文结合多年来长沟峪矿开采实践,在保持矿井目前正常开采的同时,提出了三种开采方案。最后认为巷道放项煤采煤法基本克服了现行大倾角采煤方法存在的问题,具有较强的适应性。更多还原

【Abstract】 Through the method of combining together theory analysis .experiment research , numerical simulation and the on-the-spot mine pressure monitoring,according to geological structure terms and coal seam characteristic of depositting of ChanggouYu Colliery, this text confirms the support characteristic of flexible shield support under the thick coal seam with deep dip angle (35-50° , 5-8m ), activity law of the country rock , manifesting law of the mine pressure , exploiting technical parameter etc., Propose the exploiting technological scheme safely , improve the rate of extraction.Study shows that the exploiting coal method of flexible shield support in the side direction of slope falsly has good adaptability . It breaks traditional flexible shield support exploiting frame and the way of tunnel assigning , sets up the new coal mining system (Use two coal mining craft, mining way exploits in one exploiting field). Economic benefit and social benefit is remarkable. Combining many years practice experience of ChanggouYu Colliery ,while keeping the mine exploiting normally at present , this text put forwards three kinds of mining plans. Finally think that the tunnel blasting down roof coal basically overcomes the existing problem of exploiting method of the deep dip angle coal seam at present, haves stronger adaptability.更多还原