文章來源：神華集團有(you)限責任公司 發(fa)布時間(jian)：2013-10-12
10月8日，神華神東煤炭集團黃玉川煤礦1#外運膠運大巷提前7天順利貫通。
該工程于2010年12月開工建設，歷時22個月，外運膠運大巷的貫通，為后續安裝工程早日竣工投產奠定了良好的基礎。
在工(gong)(gong)程(cheng)建設過(guo)程(cheng)中，該礦克(ke)服了(le)(le)(le)(le)長距離(li)(li)通(tong)(tong)風，井(jing)下水(shui)(shui)文(wen)地質條件復雜，巷(xiang)道頂(ding)幫(bang)破碎及(ji)掘進(jin)中過(guo)斷層(ceng)、含(han)水(shui)(shui)層(ceng)，陷(xian)落(luo)柱(zhu)等(deng)諸多困難。通(tong)(tong)風方面(mian)，該礦采(cai)取井(jing)下風庫接力(li)供風方案，縮短了(le)(le)(le)(le)供風距離(li)(li)，確保了(le)(le)(le)(le)工(gong)(gong)作面(mian)供風可靠、風量充足(zu)。在應對復雜的(de)水(shui)(shui)文(wen)地質條件方面(mian)，該礦堅持“及(ji)時(shi)支護、及(ji)時(shi)維護、及(ji)時(shi)噴(pen)漿(jiang)封閉”的(de)原(yuan)則，采(cai)取施(shi)(shi)工(gong)(gong)超前(qian)錨桿進(jin)行留頂(ding)，縮小循環進(jin)度的(de)方法安全順利通(tong)(tong)過(guo)了(le)(le)(le)(le)構造破碎區(qu)(qu)域。防(fang)治水(shui)(shui)工(gong)(gong)作方面(mian)，遵循“有掘必(bi)探(tan)(tan)，先探(tan)(tan)后掘”的(de)探(tan)(tan)放水(shui)(shui)原(yuan)則，摸清(qing)了(le)(le)(le)(le)巷(xiang)道水(shui)(shui)文(wen)地質、采(cai)空區(qu)(qu)積水(shui)(shui)及(ji)小窯情(qing)況(kuang)；同時(shi)，通(tong)(tong)過(guo)施(shi)(shi)工(gong)(gong)超前(qian)探(tan)(tan)放水(shui)(shui)孔，注漿(jiang)堵(du)水(shui)(shui)，順利通(tong)(tong)過(guo)了(le)(le)(le)(le)含(han)水(shui)(shui)層(ceng)。在通(tong)(tong)過(guo)疑似(si)陷(xian)落(luo)柱(zhu)構造時(shi)，采(cai)用施(shi)(shi)工(gong)(gong)超前(qian)探(tan)(tan)孔對陷(xian)落(luo)柱(zhu)進(jin)行了(le)(le)(le)(le)探(tan)(tan)查(cha)，查(cha)明疑似(si)陷(xian)落(luo)柱(zhu)區(qu)(qu)域內涌水(shui)(shui)情(qing)況(kuang)。掘進(jin)過(guo)程(cheng)中，片幫(bang)漏頂(ding)嚴重，礦領導與區(qu)(qu)隊干部輪流24小時(shi)現場盯防(fang)，并召開現場辦公(gong)會，研究制定(ding)合理(li)(li)的(de)施(shi)(shi)工(gong)(gong)方案，采(cai)用了(le)(le)(le)(le)錨網索噴(pen)、架棚支護、鋼管(guan)撞楔、前(qian)探(tan)(tan)注漿(jiang)加固頂(ding)板等(deng)聯合支護措施(shi)(shi)加強(qiang)頂(ding)板管(guan)理(li)(li)，保證了(le)(le)(le)(le)外(wai)運膠運大巷(xiang)順利順利貫通(tong)(tong)。