浙江礦用型聚能管的軍事應用:聚能爆破技術,早在二次世界大戰期間就在軍事方面廣泛應用。國內在聚能破甲技術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方面取得了較為快速的發展,我國20世紀60年代打破國外技術封鎖獨立自主研發成功原子彈就是得力于聚能爆破技術轟擊核裝置而引爆原子彈。專業礦用型聚能管的(de)(de)(de)民爆應用——切(qie)槽(cao)爆破技術(shu):聚能爆破用于工程建設(she)(she)也是(shi)20世(shi)紀(ji)60年代(dai)開(kai)始(shi)的(de)(de)(de),首先是(shi)瑞(rui)典的(de)(de)(de)U﹒Langefors提(ti)出孔壁切(qie)槽(cao)爆破利(li)用槽(cao)口應力集中定向開(kai)裂的(de)(de)(de)設(she)(she)想,后經W﹒L﹒Fourney驗證(zheng)是(shi)有效的(de)(de)(de)。70年代(dai)國外廣泛研究和應用了切(qie)槽(cao)爆破技術(shu)。
我國于1983年(nian)制(zhi)定了《水(shui)工(gong)(gong)(gong)建(jian)(jian)筑(zhu)物巖(yan)(yan)行基礎(chu)開挖工(gong)(gong)(gong)程施工(gong)(gong)(gong)技(ji)術(shu)規(gui)范》(sD 121l一(yi)1983)。自此,在(zai)水(shui)利(li)水(shui)電建(jian)(jian)設(she)中預(yu)(yu)裂(lie)(lie)(lie)爆(bao)破(po)(po)與(yu)光(guang)面爆(bao)破(po)(po)已成為(wei)必須進(jin)行的(de)保護邊(bian)坡(po)質量(liang)的(de)爆(bao)破(po)(po)開挖技(ji)術(shu)措施。此后在(zai)此基礎(chu)上修訂的(de)《水(shui)工(gong)(gong)(gong)建(jian)(jian)筑(zhu)物巖(yan)(yan)石(shi)基礎(chu)開挖工(gong)(gong)(gong)程施工(gong)(gong)(gong)技(ji)術(shu)規(gui)范》(SL 47一(yi)1994)以及(ji)在(zai)《水(shui)電水(shui)利(li)爆(bao)破(po)(po)工(gong)(gong)(gong)程施工(gong)(gong)(gong)技(ji)術(shu)規(gui)范》(DL/T 5135—2001)和(he)(he)《水(shui)工(gong)(gong)(gong)建(jian)(jian)筑(zhu)物巖(yan)(yan)石(shi)基礎(chu)開挖工(gong)(gong)(gong)程施工(gong)(gong)(gong)技(ji)術(shu)規(gui)范》(DL/T 5389~2007)中預(yu)(yu)裂(lie)(lie)(lie)爆(bao)破(po)(po)與(yu)光(guang)面爆(bao)破(po)(po)均被編入并有所(suo)改進(jin),DL/T 5135—2001正在(zai)修編為(wei)DL/T 5135—2012。鐵(tie)道部(bu)也(ye)不僅規(gui)定了凡(fan)是(shi)Ⅲ級以上的(de)巖(yan)(yan)石(shi)邊(bian)坡(po),設(she)計(ji)邊(bian)坡(po)坡(po)度(du)為(wei)1:0.1~1:0.75,在(zai)邊(bian)坡(po)部(bu)位的(de)爆(bao)破(po)(po)設(she)計(ji)和(he)(he)施工(gong)(gong)(gong)都應(ying)采用光(guang)面爆(bao)破(po)(po)或預(yu)(yu)裂(lie)(lie)(lie)爆(bao)破(po)(po),并闡(chan)述了光(guang)面(預(yu)(yu)裂(lie)(lie)(lie))爆(bao)破(po)(po)施工(gong)(gong)(gong)技(ji)術(shu)設(she)計(ji)的(de)原則和(he)(he)參數、安全措施,而且還明確了路塹邊(bian)坡(po)光(guang)面(預(yu)(yu)裂(lie)(lie)(lie))爆(bao)破(po)(po)項目質量(liang)驗收檢(jian)測數量(liang)和(he)(he)檢(jian)測方法。無疑該(gai)規(gui)程的(de)實(shi)施,有力地推動(dong)和(he)(he)促進(jin)了光(guang)面(預(yu)(yu)裂(lie)(lie)(lie))爆(bao)破(po)(po)技(ji)術(shu)在(zai)鐵(tie)路建(jian)(jian)設(she)中的(de)應(ying)用與(yu)發展。
水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)較水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po),在(zai)周(zhou)邊(bian)眼(yan)單循環火工(gong)品(pin)使用量(liang)上節(jie)約(yue)費(fei)用8.3%,周(zhou)邊(bian)眼(yan)鉆孔數量(liang)從39個(ge)下降為23個(ge)費(fei)用節(jie)約(yue)41%,混凝土噴射每(mei)延米節(jie)約(yue)1.37立方米。水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)比水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)每(mei)循環節(jie)約(yue)費(fei)用258.4元,即每(mei)延米節(jie)約(yue)76較元,節(jie)約(yue)費(fei)用比例達32%。此外,聚(ju)(ju)(ju)(ju)能(neng)(neng)管水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)能(neng)(neng)有(you)效(xiao)(xiao)降低隧道(dao)內石渣塊度(du)和粉(fen)塵(chen)含量(liang),還可(ke)使通風時(shi)間有(you)效(xiao)(xiao)縮短33%。聚(ju)(ju)(ju)(ju)能(neng)(neng)管光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)工(gong)藝技術(shu)(shu)很成熟、可(ke)操作(zuo)(zuo)性很強、材料(liao)成本很低、施工(gong)速度(du)很快、節(jie)能(neng)(neng)環保效(xiao)(xiao)果(guo)很顯著、經(jing)濟效(xiao)(xiao)益社會效(xiao)(xiao)益很高。聚(ju)(ju)(ju)(ju)能(neng)(neng)管定向(xiang)爆(bao)(bao)破(po)(po)技術(shu)(shu)是(shi)(shi)近幾年發展(zhan)起(qi)來的(de)(de)一項掘(jue)進(jin)新(xin)技術(shu)(shu),這種爆(bao)(bao)破(po)(po)技術(shu)(shu)與傳統(tong)的(de)(de)光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)技術(shu)(shu)有(you)一定的(de)(de)差別,聚(ju)(ju)(ju)(ju)能(neng)(neng)管定向(xiang)爆(bao)(bao)破(po)(po)原理是(shi)(shi)在(zai)巷道(dao)周(zhou)邊(bian)眼(yan)中(zhong),將炸裝在(zai)聚(ju)(ju)(ju)(ju)能(neng)(neng)管中(zhong)起(qi)爆(bao)(bao),爆(bao)(bao)破(po)(po)時(shi)利(li)用聚(ju)(ju)(ju)(ju)能(neng)(neng)管的(de)(de)聚(ju)(ju)(ju)(ju)能(neng)(neng)作(zuo)(zuo)用,以減(jian)少(shao)裂隙的(de)(de)數量(liang)和控制優勢(shi)裂隙的(de)(de)發展(zhan)方向(xiang)。
預(yu)(yu)裂與(yu)(yu)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)技術的(de)歷史與(yu)(yu)現狀:預(yu)(yu)裂爆(bao)(bao)(bao)破(po)是(shi)沿(yan)設計開(kai)挖邊界(jie)布置密集(ji)炮孔(kong),采(cai)取不耦合裝藥或裝填低威(wei)(wei)力炸(zha)藥,在(zai)主(zhu)爆(bao)(bao)(bao)區之(zhi)(zhi)前起爆(bao)(bao)(bao),從而在(zai)爆(bao)(bao)(bao)區與(yu)(yu)保(bao)(bao)留(liu)區之(zhi)(zhi)間形成預(yu)(yu)裂縫,以減(jian)弱主(zhu)爆(bao)(bao)(bao)破(po)對保(bao)(bao)留(liu)巖體的(de)破(po)壞并形成平(ping)整(zheng)輪廓面(mian)(mian)的(de)爆(bao)(bao)(bao)破(po)作(zuo)業。光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)是(shi)沿(yan)設計開(kai)挖邊界(jie)布設密集(ji)炮孔(kong),采(cai)用不耦合裝藥或裝填低威(wei)(wei)力炸(zha)藥,在(zai)主(zhu)爆(bao)(bao)(bao)區爆(bao)(bao)(bao)破(po)之(zhi)(zhi)后(hou)起爆(bao)(bao)(bao)的(de)以形成平(ping)整(zheng)的(de)開(kai)挖輪廓面(mian)(mian)的(de)爆(bao)(bao)(bao)破(po)作(zuo)業。爆(bao)(bao)(bao)破(po)技術的(de)發展是(shi)先出(chu)現光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po),然后(hou)衍生發展為預(yu)(yu)裂爆(bao)(bao)(bao)破(po)。聚能(neng)管國內歷史與(yu)(yu)現狀,我(wo)國于(yu)1964~1965年在(zai)湖北陸水水電站施(shi)工中做過(guo)淺孔(kong)預(yu)(yu)裂爆(bao)(bao)(bao)破(po)試(shi)驗,1965年鐵道部門在(zai)成昆鐵路(lu)(lu)建設中開(kai)始試(shi)驗光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po),1977年在(zai)西延線張家船工點,全(quan)長(chang)近200m的(de)2000m2路(lu)(lu)塹邊坡全(quan)部采(cai)用光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po),爆(bao)(bao)(bao)破(po)后(hou)邊坡平(ping)整(zheng)穩(wen)定,殘留(liu)的(de)半孔(kong)清晰可(ke)見,是(shi)鐵路(lu)(lu)建設中采(cai)用路(lu)(lu)塹光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)。