Control effect of fracture on hard coal cracking in a fully mechanized longwall top coal caving fac

来源 :煤炭学报：英文版 | 被引量 : 0次 | 上传用户：wuhanchi

【摘要】

：

<正> Through theoretical analysis, simulation test and practice, the law of a fracture'sinfluence on hard top coal press cracking was studied. The study foc

【作者】

：

WEI Jin-ping LI Zhong-hua SANG

【机构】

：

SchoolofEnergyScienceandEngineering,HenanAdminstrationofCoalMineSafety

【出处】

：

煤炭学报：英文版

【发表日期】

：

2009年1期

【关键词】

：

放顶煤工作面控制效果骨折开裂综放面硬煤断裂体系匹配原则 fracture top-coal caving ability control

【基金项目】

：

Supported by the Plan of Young Backbone Teacher of Henan Province, the Science and Technology Plan of China Coal Industry （MTKJ07-220）, the Plan of Education Department of Henan Province （2007440004）,

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

<正> Through theoretical analysis, simulation test and practice, the law of a fracture'sinfluence on hard top coal press cracking was studied. The study focused on the relationbetween fracture and coal strength, top coal caving ability and work f

其他文献

Study and application on fire extinguishing and preventing with light-paste material for coalmine

期刊

消防灭火粘贴材料光材料煤矿应用煤层自燃漏风通道构成比例light-paste exciting agent reinforcing agen

公共图书馆与企业园区公共电子阅览室信息资源共享初探

论述了公共图书馆与企业园区公共电子阅览室信息资源共享的必要性，分析了公共图书馆与企业园区公共电子阅览室信息资源共享存在的问题，提出了公共图书馆与企业园区公共电子阅览

期刊

公共图书馆企业园区电子阅览室信息资源共享public library enterprise park electronic reading room

Emerging trends in information and communication technology in mine safety and disaster management

<正> There is tremendous growth in the use of Geographic Information Systems(GIS), Global Positioning Systems (GPS), Remote Sensing, Satellite Communication, an

期刊

地理信息系统灾害管理通信技术煤矿安全全球定位系统卫星通信基础设施通信卫星information and communication mine

蚌埠市珠园灯饰夜景管理方法

期刊

蚌埠市珠园灯饰夜景管理路灯建设亮灯率

Study on the formation mechanism of shock wave in process of coal and gas outburst

<正> According to the research results of motion parameters of coal-gas flow,analyzedthe formation mechanism of shock waves at different states of coal-gas flow

期刊