Mechanical model for controlling floor heave in deep roadways with U-shaped steel closed support

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：jiangjia09

【摘要】

：

Open U-shaped steel arch supports are commonly used in large-section static-pressure roadways in coal mines that are more than 900 m deep;however,it is very dif

【作者】

：

Zhao Yiming Liu Na Zheng Xigui

【机构】

：

KeyLaboratoryofDeepCoalResourceMiningofMinistryofEducation

【出处】

：

矿业科学技术学报：英文版

【发表日期】

：

2015年5期

【关键词】

：

巷道控制力学模型 U型钢钢支撑封闭底鼓深部临界屈曲载荷 U-shaped steel Closed support Deep roadway

【基金项目】

：

provided by the National Natural Science Foundation of China(No.51404256),the National Basic Research Program of China(No.2013CB227900),Fundamental Research Funds for the Central Universities of China

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

Open U-shaped steel arch supports are commonly used in large-section static-pressure roadways in coal mines that are more than 900 m deep;however,it is very difficult to control floor heave of roadways.In this paper,a U-shaped steel closed support with an

其他文献

Numerical simulations of water flow and contaminants transport near mining wastes disposed in a frac

A numerical tool, called Hydro-Geosphere, was used to simulate unsaturated water flow and contaminants migration around an open pit filled with mining wastes. N

期刊

数值模拟废物处置裂隙岩体水流量污染物运输废料开采Hydro-GeosphereNumerical modellingUnsaturated wa

Effects of overburden characteristics on dynamic failure in underground coal mining

Dynamic failures, or ‘‘bumps', remain an imperative safety concern in underground coal mining, despite significant advancements in engineering controls. T

期刊

在全国党校系统第五次教务工作恳谈会上的讲话（2014年6月28日）

尊敬的宋善云书记，王元新校长，各位代表：在座的各位我们都是老朋友了．自从去年5月份第四次恳谈会结束之后，已经一年多不见了，今天我们在大连最美好的季节，相聚在大连市委党校这么一

期刊

党校系统教务工作大连亲近感书记市委

A modified model of a single rock joint's shear behavior in limestone specimens

The shear behavior of a single rock joint in limestone specimens,under a constant normal load(CNL),was analyzed in this study.Test specimens with different aspe

期刊

修正模型岩石节理剪切行为抗剪性能岩石试件粗糙表面实验数据计算模型Limestone rockjoints Constant normalload

干部的时间去哪儿了？

2014年春晚一曲《时间去哪儿了》感动了全国人民。之后主流媒体晒出了＂习总书记的时间去哪儿了＂触动了亿万干部。长期以来,凡是能称得上领导或者是干部的大都很忙,上到总书记,

期刊

村干部时间领导干部主流媒体市委书记汇报工作总书记大都

“一校两院”大讲堂四年回顾与启示

3月21日，省委常委、市委书记唐军同志，在审阅《关于“一校两院”大讲堂四年回顾与启示的报告》时批示：“大讲堂为建设学习型城市发挥了重要作用，望继续予以重视，精心打造优质品牌，

期刊

讲堂优质品牌学习型城市社会影响力省委常委市委书记同志

关爱农村青年关注农村未来

当前,在农村的社会建设中,要充分发挥农村基层关心下一代工作委员会（简称关工委）＂五老＂（离退休老干部、老战士、老教授、老专家、老模范）志愿者优势,鼓励农村青年坚持理想信念与人

期刊

关爱农村青年农村未来使命感责任感

A comprehensive investigation of loading variance influence on fuel consumption and gas emissions in

The data collected from haul truck payload management systems at various surface mines show that the payload variance is significant and must be considered in a

期刊

温室气体排放量矿山运输燃油消耗方差操作加载节约成本有效载荷Energy consumption Haul truck Surface mine

协商民主为政协理论研究提供了新的视角和方向

中共十八大在党代会的历史上第一次提出了＂社会主义协商民主是我国人民民主的重要形式＂,这被认为是中共在民主政治理论创新和制度创新中取得的最新成果。十八大提出,要＂健全社会

期刊

协商民主政协社会主义人民民主最新成果制度创新理论创新民主政治

Determining the rational layout parameters of the lateral high drainage roadway serving for two adja

To determine the rational layout parameters of the lateral high drainage roadway(LHDR) serving for two adjacent working faces, a mechanical model of the LHDR un

期刊

Mechanical model for controlling floor heave in deep roadways with U-shaped steel closed support

其他学术论文