检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]中国矿业大学(北京)资源与安全工程学院,北京100083
出 处:《煤矿安全》2014年第7期163-165,168,共4页Safety in Coal Mines
基 金:国家重点基础研究发展计划(973计划)资助项目(2013CB227903);国家自然科学基金资助项目(51004109);中央高校基本科研业务费专项资金资助项目(2010QZ02)
摘 要:针对2612工作面特殊的地质开采条件,采用经验估算法、顶板分类计算法、"砌体梁"理论计算法和动载荷计算法对2612工作面俯、仰、近水平开采阶段支架工作阻力进行计算,结合现场实测以及对比4种计算方法的原理和结果得出,ZY10800/30/65D型液压支架能满足支护强度要求;仰采阶段支架工作阻力最大;动载荷法能够合理确定大采高工作面支架工作阻力。Aiming at the specific geological mining conditions of 2612 working face in Dongpang Mine, using the experience estimation method, the “voussoir beam” theory, the roof classification method, the dynamic load calculation method, with the help of the site measurement and comparing with the principle and results of four kinds of calculation methods, this article calculated support working resistance of 2612 working face during depression mining , updip mining, nearly horizontal mining phase, and concluded that the powered support of ZY10800/30/65D would meet the production requirements ; the support working resistance of updip mining is largest ; the dynamic load method can determine the support working resistance of fully mechanized mining face with large mining height.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.106