华北科技学院学报
華北科技學院學報
화북과기학원학보
JOURNAL OF NORTH CHINA INSTITUTE OF SCIENCE AND TECHNOLOGY
2013年
4期
12-16
,共5页
采场%坚硬顶板%矿压显现%初撑力%工作阻力
採場%堅硬頂闆%礦壓顯現%初撐力%工作阻力
채장%견경정판%광압현현%초탱력%공작조력
the slope%hard roof%strata behaviors%setting load%working resistance
以新集二矿210108综采工作面为研究对象,制定了坚硬顶板爆破弱化条件下的矿压观测方案。通过对现场实测数据的整理分析,对工作面矿压显现特征、顶板活动规律和超前支承压力分布规律进行了研究,并对初次来压和周期来压期间支架载荷变化进行了系统的分析,掌握了坚硬顶板弱化条件下的矿压显现规律,为工作面安全开采提供依据。
以新集二礦210108綜採工作麵為研究對象,製定瞭堅硬頂闆爆破弱化條件下的礦壓觀測方案。通過對現場實測數據的整理分析,對工作麵礦壓顯現特徵、頂闆活動規律和超前支承壓力分佈規律進行瞭研究,併對初次來壓和週期來壓期間支架載荷變化進行瞭繫統的分析,掌握瞭堅硬頂闆弱化條件下的礦壓顯現規律,為工作麵安全開採提供依據。
이신집이광210108종채공작면위연구대상,제정료견경정판폭파약화조건하적광압관측방안。통과대현장실측수거적정리분석,대공작면광압현현특정、정판활동규률화초전지승압력분포규률진행료연구,병대초차래압화주기래압기간지가재하변화진행료계통적분석,장악료견경정판약화조건하적광압현현규률,위공작면안전개채제공의거。
Taking the 210108 fully mechanized coal face in xinji as the research object ,established the mine pressure observation scheme under the condition of hard roof blasting weakening .Through the analysis of field measured data of the working face mine pressure appear characteristics ,the paper analyzes the characteristics of strata behaviors ,the laws of roof movement ,and distribu-tion laws of advancing abutment pressure .Meanwhile,the characteristics of support load during the first and periodic weighting of main roof are researched .The law of mine pressure was mastered under the condition of hard roof weakening ,Provide a basis for safe mining face.