深井大采高综采工作面切眼联合支护技术.PDFVIP

35 11 V o.l 35 N o. 11 2010 11 JOURNAL OF CH INA COAL SOC IETY N ov. 2010 : 025 3- 9993( 20 10) 11- 1883- 05 张 东 苏 刚 程晋孝 ( 232082) : 针对深井大采高综采工作面切眼断面大深埋层支护难的实际情况 对传统的支护方式进 行了 证研究结果表明 相对于传统的锚网索支护或棚式支护 锚网索加挑棚和木垛联合支 护 方式能够较好地控制大跨度大高度条件下的切眼顶板及两帮围岩的变形介绍了该支护方 式的具体支护参数及施工工艺 并成功应用于潘集第一煤矿 2 141( 3) 工作面 : 大断面切眼; 联合支护; 锚网索; 挑棚 : TD 353 : A Com bined support technology of openoff cut for high cutting fully m echanized coalm ining face in deep m ine ZHAN G D ong SU G ang CHENG J inx iao (P anj iN o1 Coa lM in e, H ua inan M ining Group, H uainan 232082, Ch ina ) Abstract: A ccord ing to the large cross sect ion deep depth diff icult support and other actua l condition s of the op enoff cut for the h igh cutt ing fully m echan ized coalm in ing face in the deep m ine the verificat ion study w as condu cted on the conventional support m ethod. The resu lts show th at in com p arison w ith the convent iona l bolt / steel m esh / anchor sup port or the roo f tmi ber support the bolt / steel m esh / anchor plu s roo f tmi ber ripp ing and tmi ber crib com b ined sup port m ethod can be w ell to contro l the defo rm ation o f the roo f and tw o sidew alls in the op eno ff cut under the cond i t ions of the large sp an and high he ight. Introdu ced the certain support param eters and con struct ion techn iqu e of the support m ethod w hich h ad a su ccessful application to N o2141( 3) coa lm in ing face in P anji N o1 Coal M ine. K ey words: large cross section openo ff cut; com bined support; bo lt / stee l m esh / anchor; roof tmi ber ripp ing 2141( 3) 1 () 600 ZY 10800 / 30 /65