CAJ | 학술논문

　　大倾角条件下综采支架稳定性控制一直是综采在大倾角煤层中应用的难题之一，本文以高庄矿3上509大倾角大采高工作面具体地质条件为基础，分别从倾向和走向方向对工作面特殊开采时期(工作面冒顶或过断层)支架稳定性(倾倒和滑移)进行了力学分析。分析结果表明，3上509工作面支架保持稳定的最小工作阻力应不小于4743 kN，工作面支架选型选择支护阻力为6600 kN支架较为合理。另外，在力学分析基础上，提出了提高工作面支架初撑力、在支架底座增设底调千斤顶装置、支架顶梁上安装防倒装置连接座及改变工作面支架移架方式等技术措施，可以有效地防止工作面生产过程支架发生下滑和倾倒，大幅提高工作面支架的整体稳定性。
　　대경각조건하종채지가은정성공제일직시종채재대경각매층중응용적난제지일，본문이고장광3상509대경각대채고공작면구체지질조건위기출，분별종경향화주향방향대공작면특수개채시기(공작면모정혹과단층)지가은정성(경도화활이)진행료역학분석。분석결과표명，3상509공작면지가보지은정적최소공작조력응불소우4743 kN，공작면지가선형선택지호조력위6600 kN지가교위합리。령외，재역학분석기출상，제출료제고공작면지가초탱력、재지가저좌증설저조천근정장치、지가정량상안장방도장치련접좌급개변공작면지가이가방식등기술조시，가이유효지방지공작면생산과정지가발생하활화경도，대폭제고공작면지가적정체은정성。
Fully-mechanized mining technology is difficult to apply in large inclined coal seams, due to the hard stability control of fully mechanized supports under such conditions. Based on the 3up509 large inclined and mining height coalface in Gaozhuang Coal Mine, the mechanical analysis of support stability (dumping and slipping) was done during special mining period (roof fall or passing through fault) from inclined and strike direction in this paper. The analysis results show that the minimum working resistance for keeping support stability in 3up509 coalface should be not less than 4 743 kN, and the support selection of 6 600 kN resistance is reasonable. In addition, based on the analysis of the mechanics, the technical measures of increasing setting load of support, adding bottom adjustable jack device in support base, installing anti-inclining device on the top beam of support and changing move-ment way of support have been proposed, which can effectively prevent supports to happen slipping and clining during coalface process, and greatly improve the overall stability of supports in coalface.