的(de)(de)(de)軍(jun)事應(ying)用(yong)(yong):聚能(neng)爆(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu),早在(zai)二次世界大戰期間就(jiu)在(zai)軍(jun)事方(fang)面廣(guang)泛應(ying)用(yong)(yong)。國內在(zai)聚能(neng)破(po)(po)甲技(ji)(ji)術(shu)(shu)如大錐角反艦導彈戰斗部和大錐角反坦克地雷以及敏感彈戰斗部等(deng)方(fang)面取得(de)了較為快速的(de)(de)(de)發展,我(wo)國20世紀(ji)60年代打破(po)(po)國外技(ji)(ji)術(shu)(shu)封(feng)鎖(suo)獨立自主研發成功原子(zi)(zi)彈就(jiu)是得(de)力于聚能(neng)爆(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)轟擊核裝置而(er)引(yin)爆(bao)(bao)(bao)原子(zi)(zi)彈。的(de)(de)(de)民爆(bao)(bao)(bao)應(ying)用(yong)(yong)——切(qie)槽爆(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu):聚能(neng)爆(bao)(bao)(bao)破(po)(po)用(yong)(yong)于工程建設也(ye)是20世紀(ji)60年代開始的(de)(de)(de),首(shou)先是瑞典的(de)(de)(de)U﹒Langefors提出(chu)孔壁切(qie)槽爆(bao)(bao)(bao)破(po)(po)利用(yong)(yong)槽口應(ying)力集中定向開裂的(de)(de)(de)設想(xiang),后經(jing)W﹒L﹒Fourney驗證是有效(xiao)的(de)(de)(de)。70年代國外廣(guang)泛研究和應(ying)用(yong)(yong)了切(qie)槽爆(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)。
光面(mian)(mian)爆(bao)(bao)(bao)破技術優(you)勢:相(xiang)對(dui)于傳統爆(bao)(bao)(bao)破工藝(yi),聚能管(guan)光面(mian)(mian)爆(bao)(bao)(bao)破比常規爆(bao)(bao)(bao)破具有(you)以(yi)下優(you)勢∶少(shao)打眼,少(shao)裝藥(yao)(yao)(yao)。節(jie)約周邊(bian)鉆(zhan)孔(kong)(kong)量50%,總鉆(zhan)孔(kong)(kong)進(jin)尺減(jian)(jian)少(shao)30%;節(jie)約炸藥(yao)(yao)(yao)10~20%,雷管(guan)30%。節(jie)約噴漿(jiang)料(liao)15-20%。節(jie)省(sheng)時(shi)間∶每循環鉆(zhan)孔(kong)(kong)、裝藥(yao)(yao)(yao)、噴漿(jiang)時(shi)間1.5-2.0小(xiao)時(shi)。在(zai)安全方面(mian)(mian)利用水沙袋(dai)替代炮泥,以(yi)避免搗炮泥損毀(hui)電雷管(guan)導(dao)線,造成瞎(xia)炮。大(da)大(da)減(jian)(jian)少(shao)對(dui)圍巖(yan)擾動,光面(mian)(mian)效果好,巖(yan)性條(tiao)件差情況下可以(yi)大(da)大(da)減(jian)(jian)少(shao)超挖量,控制(zhi)巷道成型(xing);巖(yan)性完整(zheng)無節(jie)理情況下眼痕率可以(yi)達到(dao)90%以(yi)上(shang),巷道成型(xing)好,穩定性強。布孔(kong)(kong)方式優(you)化成多排(pai)掏(tao)槽布孔(kong)(kong),單次掘(jue)進(jin)深度(du)可以(yi)優(you)化提(ti)高10%到(dao)15%不等。由于炮孔(kong)(kong)數量大(da)大(da)減(jian)(jian)少(shao)可以(yi)考慮(lv)一起全斷面(mian)(mian)起爆(bao)(bao)(bao),節(jie)省(sheng)放(fang)炮時(shi)間。
專業礦用型雙向聚能管水壓光面爆破技術在隧道掘進作業中的實際應用。提升光面爆破水平、嚴抓隧道超挖管控進行了介紹。聚能水壓光面爆破工藝技術很成熟、可操作性很強、材料成本很低、施工速度很快、節能環保效果很顯著、經濟效益社會效益很高。一是要提高對推廣該項技術重要性和必然性的認識;二是要樹立必須采取聚能水壓光面爆破的意識;三是要堅持培訓、示范、監督“三位一體”;四是要制定切實的獎懲制度;五是要建立檢查監督機制,持續促進該項技術的深入推廣。礦用型雙向聚能管公司在隧道施工(gong)(gong)(gong)的現場(chang)管理、科技(ji)(ji)創(chuang)新、人才培養、經(jing)濟效益(yi)等方(fang)面的不足。建議(yi)對施工(gong)(gong)(gong)一(yi)線基礎技(ji)(ji)術工(gong)(gong)(gong)作(zuo)扎實(shi)推進;對新工(gong)(gong)(gong)藝(yi)、先(xian)進工(gong)(gong)(gong)法要深(shen)入學習鉆研;對消極懈怠、故(gu)步自封(feng)的思想要堅決抵制。
我國(guo)于(yu)1983年(nian)制定了《水工(gong)建(jian)(jian)筑(zhu)物巖行基(ji)礎(chu)開(kai)(kai)挖(wa)工(gong)程(cheng)(cheng)施(shi)(shi)(shi)(shi)工(gong)技術(shu)(shu)規(gui)(gui)范》(sD 121l一(yi)1983)。自(zi)此(ci),在(zai)水利水電(dian)(dian)建(jian)(jian)設(she)(she)中預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po)與(yu)光(guang)面(mian)(mian)爆(bao)(bao)破(po)已(yi)成為必須進行的(de)保護邊(bian)(bian)坡(po)質(zhi)量的(de)爆(bao)(bao)破(po)開(kai)(kai)挖(wa)技術(shu)(shu)措(cuo)施(shi)(shi)(shi)(shi)。此(ci)后(hou)在(zai)此(ci)基(ji)礎(chu)上修訂的(de)《水工(gong)建(jian)(jian)筑(zhu)物巖石(shi)基(ji)礎(chu)開(kai)(kai)挖(wa)工(gong)程(cheng)(cheng)施(shi)(shi)(shi)(shi)工(gong)技術(shu)(shu)規(gui)(gui)范》(SL 47一(yi)1994)以及(ji)在(zai)《水電(dian)(dian)水利爆(bao)(bao)破(po)工(gong)程(cheng)(cheng)施(shi)(shi)(shi)(shi)工(gong)技術(shu)(shu)規(gui)(gui)范》(DL/T 5135—2001)和(he)《水工(gong)建(jian)(jian)筑(zhu)物巖石(shi)基(ji)礎(chu)開(kai)(kai)挖(wa)工(gong)程(cheng)(cheng)施(shi)(shi)(shi)(shi)工(gong)技術(shu)(shu)規(gui)(gui)范》(DL/T 5389~2007)中預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po)與(yu)光(guang)面(mian)(mian)爆(bao)(bao)破(po)均被編(bian)入并有所改(gai)進,DL/T 5135—2001正在(zai)修編(bian)為DL/T 5135—2012。鐵(tie)道部(bu)也不僅規(gui)(gui)定了凡是Ⅲ級以上的(de)巖石(shi)邊(bian)(bian)坡(po),設(she)(she)計(ji)邊(bian)(bian)坡(po)坡(po)度為1:0.1~1:0.75,在(zai)邊(bian)(bian)坡(po)部(bu)位的(de)爆(bao)(bao)破(po)設(she)(she)計(ji)和(he)施(shi)(shi)(shi)(shi)工(gong)都(dou)應采用光(guang)面(mian)(mian)爆(bao)(bao)破(po)或預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po),并闡述(shu)了光(guang)面(mian)(mian)(預(yu)裂(lie)(lie)(lie))爆(bao)(bao)破(po)施(shi)(shi)(shi)(shi)工(gong)技術(shu)(shu)設(she)(she)計(ji)的(de)原則和(he)參數、安全措(cuo)施(shi)(shi)(shi)(shi),而且(qie)還明(ming)確了路塹邊(bian)(bian)坡(po)光(guang)面(mian)(mian)(預(yu)裂(lie)(lie)(lie))爆(bao)(bao)破(po)項(xiang)目質(zhi)量驗收檢測數量和(he)檢測方法。無疑(yi)該(gai)規(gui)(gui)程(cheng)(cheng)的(de)實施(shi)(shi)(shi)(shi),有力地(di)推動(dong)和(he)促進了光(guang)面(mian)(mian)(預(yu)裂(lie)(lie)(lie))爆(bao)(bao)破(po)技術(shu)(shu)在(zai)鐵(tie)路建(jian)(jian)設(she)(she)中的(de)應用與(yu)發展。