Soft-strong supporting mechanism of gob-side entry retaining in deep coal seams threatened by rockbu

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：zyhpeter2011

【摘要】

：

When gob-side entry retaining is implemented in deep coal seams threatened by rockburst, the cementbased supporting body beside roadway will bear greater roof p

【作者】

：

Ning Jianguo Wang Jun Liu Xues

【机构】

：

CollegeofMiningandSafetyEngineering

【出处】

：

矿业科学技术学报：英文版

【发表日期】

：

2014年6期

【关键词】

：

采空区侧冲击地压深部煤层配套性威胁机制冲击负荷支撑体 Deep coal seam Rockburst Gob-side entry retain

【基金项目】

：

This research is supported by the National Basic Research Program of China （No. 2010CB226805）, the Taishan Scholar Construction Project of Shandong Province, China, the National Natural Science Founda

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

When gob-side entry retaining is implemented in deep coal seams threatened by rockburst, the cementbased supporting body beside roadway will bear greater roof pressure and strong impact load. Then the supporting body may easily deform and fail because of

其他文献

苏联外贸面临的问题和任务

<正> 苏联对外贸易的发展速度历年来都高于它的国内经济发展速度,即使在国内经济发展速度放慢的情况下也是这样。1980—84年苏联国民经济发展速度为3％左右,而同期对外贸易却每年平均增长10.6％。与此同时,苏联外贸也面临着一些急待解决的问题。

期刊

苏联人对外贸易七十年进口粮食经济发展速度粮食生产六十年代粮食产量石油供应总出口

Characteristics of in situ stress field at Qingshui coal mine

In this study, the characteristics of geological structure at Qingshui coal mine were analyzed. And the hollow inclusion strain cell overcoring method was used

期刊

地应力场煤矿清水软岩巷道最大主应力地质构造水平方向巷道顶板Soft rockIn situ stress Overcoring method R

国际贸易制度的危机

<正> 第二次世界大战后,世界各国面临的首要任务是恢复生产,发展经济,增加就业机会,使人民安居乐业。所以联合国刚成立后就召开了贸易和就业会议,其宗旨是通过扩大贸易来促进生产的恢复,增加就业机会。会议结果通过了哈瓦那宪章。关税及贸易总协定这一多边贸易制度就是宪章的组成部份。多边贸易制度的作用在于充分利用所有参与国的一切生产因

期刊

国际贸易制度关贸总协定保护主义发展中国家工业发达国家就业机会缔约国首要任务第二次世界大战关税及贸易总协定

Modeling the effects of mechanical parameters on the hydrodynamic behavior of vertical current class

This study modeled the effects of structural and dimensional manipulations on hydrodynamic behavior of a bench vertical current classifier.Computational fluid d

期刊

计算流体动力学流分类器动力学行为力学参数垂直模型湍流强度流体速度Hydraulic classifier Modeling Computatio

Validation of Hoek-Brown failure criterion charts for rock slopes

Although stability charts suggested by Hoek and Bray on the basis of Mohr-Coulomb criterion are used for rock slopes, but complete and precise recognition is re

期刊

Estimating regional coal resource efficiency in China using three-stage DEA and bootstrap DEA models

Based on three-stage data envelopment analysis(DEA) model estimates of resource utilization efficiency of coal,we selected 29 provinces from China’s 2012 input

期刊

DEA模型煤炭资源中国资源利用效率BOOTSTRAP三阶估算数据包络分析Coal resource efficiency Three-stag

Evaluation of rope shovel operators in surface coal mining using a Multi-Attribute Decision-Making m

Rope shovels are used to dig and load materials in surface mines. One of the main factors that influence the production rate and energy consumption of rope shov

期刊

多属性决策露天煤矿开采决策模型模型评估运营商多目标优化设计PROMETHEE多元回归分析Rope shovel Operator evaluat

Optimization of clay material mixture ratio and filling process in gypsum mine goaf

Because there is neither waste rock nor mill tailings in the gypsum mine, and the buildings on the goaf of gypsum mine are needed to be protected, the research

期刊

Study on gob-side entry retaining in fully-mechanized longwall with top-coal caving and its applicat

Based on the engineering background of gob-side entry retaining in fully-mechanized longwall with top coal caving(GER-FLTC) on N2105 working face of Yuwu coal m

期刊

采空区侧综采入境应用长壁工作面预应力锚杆稳定性控制综放Gob-side entry retaining in fully-mechanized

Effective goaf gas capture design at Ravensworth Underground Mine

This paper highlights a reliable goaf gas capture system developed and used at Ravensworth Underground Mine since its trial in 2009. The method utilises horizon

期刊

采空区瓦斯设计方法瓦斯抽采整体可靠性井下酒店气体轴承地面管道Gas captureGreenhouse gas emission reduct

Soft-strong supporting mechanism of gob-side entry retaining in deep coal seams threatened by rockbu

与本文相关的学术论文