本文選題：大跨度切眼 + 錨桿錨索支護(hù)��； 參考：《西安科技大學(xué)》2015年碩士論文

【摘要】：隨著錨桿支護(hù)技術(shù)在大黃山煤礦的應(yīng)用與發(fā)展,錨桿支護(hù)已在大黃山煤礦的巷道支護(hù)中占據(jù)絕對優(yōu)勢,然而,單純的錨桿支護(hù)還不能很好的解決大黃山煤礦中大煤層大跨度切眼的支護(hù)難題。新疆大黃山煤礦中大煤層切眼寬8m,高3m,煤層厚度25.12m,煤層較軟,能否解決好中大煤層大跨度切眼的支護(hù)難題,是大黃山煤礦擴(kuò)大開采規(guī)模和保證安全生產(chǎn)的關(guān)鍵。本文對錨桿錨索的懸吊、組合梁和松動圈等支護(hù)理論以及錨桿錨索的失穩(wěn)機(jī)理作了較為全面的分析,通過等效橢圓的方式和彈塑性極限平衡理論研究了大跨度矩形切眼圍巖的塑性區(qū)范圍。在分析現(xiàn)有設(shè)計(jì)方法的基礎(chǔ)上,選用基于巷道圍巖松動范圍的錨桿錨索動態(tài)設(shè)計(jì)方法。最后以大黃山煤礦+708—+750中大煤層大跨度切眼錨桿錨索支護(hù)為工程項(xiàng)目,進(jìn)行了大跨度切眼錨桿錨索支護(hù)技術(shù)的實(shí)踐研究。通過對比本文選用的動態(tài)設(shè)計(jì)方法和傳統(tǒng)的設(shè)計(jì)方法,確定了大黃山煤礦+708-+750中大煤層大跨度切眼錨桿錨索支護(hù)方案,并采用有限差分軟件FLAC-3D對支護(hù)效果進(jìn)行了穩(wěn)定性分析;初始設(shè)計(jì)應(yīng)用于實(shí)踐,監(jiān)測支護(hù)效果,采用數(shù)據(jù)處理軟件對監(jiān)測數(shù)據(jù)進(jìn)行了分析,評價了支護(hù)效果,反饋信息后再優(yōu)化設(shè)計(jì),實(shí)現(xiàn)了初始設(shè)計(jì)與工程生產(chǎn)實(shí)踐結(jié)合的動態(tài)設(shè)計(jì)。本文所采用的支護(hù)參數(shù)計(jì)算理論較好地解決了大黃山煤礦+708—+750中大煤層大跨度切眼錨桿錨索支護(hù)的技術(shù)難題,可供相似切眼設(shè)計(jì)參考。
[Abstract]:With the application and development of bolt support technology in Dawangshan Coal Mine, bolt support has occupied an absolute advantage in the roadway support of Dawangshan Coal Mine. However, The simple bolt support can not solve the problem of long span hole cutting in middle and large coal seam of Dawangshan Coal Mine. The cut hole width of middle and large coal seam is 8 m, the height is 3 m, the thickness of coal seam is 25.12 m, and the coal seam is soft. It is the key to enlarge the mining scale and ensure safe production to solve the support problem of large span cut hole in middle and large coal seam in Xinjiang Dawangshan Coal Mine. In this paper, the suspension of anchor cable, the supporting theory of composite beam and loose ring, and the mechanism of instability of anchor cable are analyzed comprehensively. By means of equivalent ellipse and elastic-plastic limit equilibrium theory, the range of plastic zone of surrounding rock with large span rectangular cut hole is studied. Based on the analysis of the existing design methods, the dynamic design method of anchor cable based on the loose range of roadway surrounding rock is selected. Finally, with the large span bolt and cable support in 708-750 medium and large coal seam of Dawangshan Coal Mine as the engineering project, the practical research on the support technology of large span cut hole bolt and cable is carried out. By comparing the dynamic design method and the traditional design method, this paper determines the support scheme of bolt in 708-750 medium and large coal seam, and analyzes the stability of the support effect by using FLAC-3D. The initial design is applied in practice to monitor the support effect. The data processing software is used to analyze the monitoring data, evaluate the support effect, and then optimize the design after feedback information, and realize the dynamic design which combines the initial design with the engineering production practice. The calculation theory of supporting parameters adopted in this paper has solved the technical problem of bolting cable support of large span and long span cutting bolt in 708-750 medium and large coal seam of Dawangshan Coal Mine, which can be used as a reference for similar cutting design.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TD353

【相似文獻(xiàn)】

相關(guān)期刊論文 前10條

1 ;崛起的大黃山煤礦[J];中國經(jīng)貿(mào)導(dǎo)刊;2002年14期

2 王學(xué)明;;崛起的大黃山 紀(jì)念改革開放30周年暨大黃山煤礦建礦50周年[J];兵團(tuán)工運(yùn);2008年10期

3 陳洋;;新疆兵團(tuán)大黃山煤礦西風(fēng)機(jī)性能測試研究[J];煤炭技術(shù);2009年11期

4 馬德友,于保華,張士成;大黃山煤礦太原組煤層合理開采淺析[J];徐煤科技;1996年01期

5 裴道琦;大黃山煤礦-270m水閘門漏水原因分析與治理[J];煤炭科技;2000年04期

6 裴道琦;;大黃山煤礦封堵井下報廢水源井的實(shí)踐[J];煤炭科技;2007年01期

7 王學(xué)明;;科學(xué)管理 安全高效 改革創(chuàng)新 強(qiáng)企富民[J];兵團(tuán)建設(shè);2008年10期

8 張英明,朱余云;大黃山煤礦下崗職工情況的調(diào)查[J];江蘇煤炭;1997年04期

9 李紅蓮;;“六個到位”為安全生產(chǎn)保駕護(hù)航[J];兵團(tuán)工運(yùn);2008年02期

10 周玉存;大黃山煤礦東一采區(qū)太原組小斷層分析和預(yù)測[J];徐煤科技;1999年04期

相關(guān)重要報紙文章 前6條

1 廖遠(yuǎn)銀;大黃山煤礦改制重組[N];兵團(tuán)日報(漢);2007年

2 記者 蔡國棟 杜剛;大黃山煤礦事故被困17人全部遇難[N];新華每日電訊;2014年

3 亦名;資本與資源的雙贏戰(zhàn)略[N];兵團(tuán)日報(漢);2008年

4 王學(xué)明;大黃山煤礦自然火災(zāi)防治獲突破[N];兵團(tuán)日報(漢);2008年

5 通訊員 賈明 王鳳瑜 許小寶;大黃山煤礦建成新疆首臺瓦斯發(fā)電機(jī)組[N];昌吉日報;2008年

6 傅尹;安全防范需要政府民間“雙管齊下”[N];經(jīng)理日報;2009年

相關(guān)碩士學(xué)位論文 前1條

1 黎俊民;大黃山煤礦大跨度切眼錨桿錨索支護(hù)技術(shù)研究[D];西安科技大學(xué);2015年

，

本文編號：2035078