是將炸(zha)藥(yao)(yao)裝在(zai)聚能(neng)(neng)管(guan)內,兩(liang)頭均(jun)放(fang)置了(le)水(shui)(shui)袋,聚能(neng)(neng)管(guan)爆(bao)(bao)炸(zha)產(chan)(chan)生(sheng)的(de)(de)高溫高壓(ya)(ya)射流,讓水(shui)(shui)袋產(chan)(chan)生(sheng)“水(shui)(shui)楔”效應,使圍巖裂縫加劇延(yan)伸擴展(zhan)。它是在(zai)水(shui)(shui)壓(ya)(ya)光面(mian)爆(bao)(bao)破基礎(chu)上發(fa)展(zhan)起來的(de)(de)一項(xiang)新技術(shu),區(qu)別只是在(zai)周邊眼中安裝專(zhuan)用線性聚能(neng)(neng)藥(yao)(yao)管(guan)替代常(chang)規(gui)爆(bao)(bao)破藥(yao)(yao)卷和傳爆(bao)(bao)線,只要做到(dao)七(qi)大關鍵環(huan)節:水(shui)(shui)袋挺拔飽滿、炮泥軟硬適中、水(shui)(shui)袋裝填到(dao)底、炮泥回(hui)填到(dao)口(kou)、木棍逐節搗固(gu)、水(shui)(shui)藥(yao)(yao)緊密(mi)相連、槽(cao)面(mian)必須平行(xing),就能(neng)(neng)對控制超欠挖起到(dao)良好效果。在(zai)推廣水(shui)(shui)壓(ya)(ya)爆(bao)(bao)破的(de)(de)基礎(chu)上,去年9月,水(shui)(shui)壓(ya)(ya)聚能(neng)(neng)爆(bao)(bao)破的(de)(de)成(cheng)果上,今(jin)年更為深(shen)入地在(zai)興(xing)泉鐵路大嶺隧(sui)道、牡佳鐵路麻山(shan)隧(sui)道采(cai)用了(le)此(ci)項(xiang)技術(shu),積累了(le)成(cheng)功經驗。
常州爆破聚能管的軍事應用: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。專用爆破聚能管的(de)(de)民爆應用——切槽爆破技(ji)術:聚能爆破用于工程(cheng)建(jian)設也是20世紀60年代開始(shi)的(de)(de),首先是瑞典的(de)(de)U﹒Langefors提出孔壁切槽爆破利(li)用槽口應力集(ji)中定向開裂(lie)的(de)(de)設想,后經W﹒L﹒Fourney驗證是有效(xiao)的(de)(de)。70年代國外廣泛研究和應用了切槽爆破技(ji)術。
我國于1983年制定了(le)《水(shui)(shui)工(gong)(gong)(gong)(gong)建(jian)(jian)筑物巖(yan)行基礎開挖工(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術(shu)規(gui)范(fan)》(sD 121l一1983)。自此,在(zai)水(shui)(shui)利(li)水(shui)(shui)電建(jian)(jian)設中(zhong)預裂爆(bao)破(po)(po)與(yu)光(guang)(guang)面(mian)爆(bao)破(po)(po)已成(cheng)為必須進行的(de)保護邊(bian)(bian)(bian)坡質量(liang)的(de)爆(bao)破(po)(po)開挖技(ji)(ji)術(shu)措施(shi)。此后在(zai)此基礎上修訂的(de)《水(shui)(shui)工(gong)(gong)(gong)(gong)建(jian)(jian)筑物巖(yan)石(shi)基礎開挖工(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術(shu)規(gui)范(fan)》(SL 47一1994)以及在(zai)《水(shui)(shui)電水(shui)(shui)利(li)爆(bao)破(po)(po)工(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術(shu)規(gui)范(fan)》(DL/T 5135—2001)和(he)《水(shui)(shui)工(gong)(gong)(gong)(gong)建(jian)(jian)筑物巖(yan)石(shi)基礎開挖工(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術(shu)規(gui)范(fan)》(DL/T 5389~2007)中(zhong)預裂爆(bao)破(po)(po)與(yu)光(guang)(guang)面(mian)爆(bao)破(po)(po)均被編(bian)入并有(you)所(suo)改進,DL/T 5135—2001正(zheng)在(zai)修編(bian)為DL/T 5135—2012。鐵道部也(ye)不僅(jin)規(gui)定了(le)凡是(shi)Ⅲ級以上的(de)巖(yan)石(shi)邊(bian)(bian)(bian)坡,設計(ji)邊(bian)(bian)(bian)坡坡度(du)為1:0.1~1:0.75,在(zai)邊(bian)(bian)(bian)坡部位的(de)爆(bao)破(po)(po)設計(ji)和(he)施(shi)工(gong)(gong)(gong)(gong)都應采用光(guang)(guang)面(mian)爆(bao)破(po)(po)或預裂爆(bao)破(po)(po),并闡(chan)述了(le)光(guang)(guang)面(mian)(預裂)爆(bao)破(po)(po)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術(shu)設計(ji)的(de)原則和(he)參數(shu)(shu)、安全措施(shi),而且還明確了(le)路(lu)塹邊(bian)(bian)(bian)坡光(guang)(guang)面(mian)(預裂)爆(bao)破(po)(po)項目質量(liang)驗(yan)收檢(jian)測數(shu)(shu)量(liang)和(he)檢(jian)測方法。無疑該規(gui)程的(de)實施(shi),有(you)力地推(tui)動和(he)促進了(le)光(guang)(guang)面(mian)(預裂)爆(bao)破(po)(po)技(ji)(ji)術(shu)在(zai)鐵路(lu)建(jian)(jian)設中(zhong)的(de)應用與(yu)發展。
專(zhuan)注爆(bao)(bao)(bao)(bao)破(po)(po)聚能(neng)管(guan)(guan)批發銷售。隨著中(zhong)國(guo)現代(dai)化建設(she)的(de)(de)(de)發展,爆(bao)(bao)(bao)(bao)破(po)(po)作業環(huan)(huan)(huan)境(jing)越來(lai)越復雜,對(dui)爆(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)全的(de)(de)(de)要求可能(neng)也(ye)會越來(lai)越高(gao)。盡管(guan)(guan)我們(men)工程爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)術(shu)已達到很高(gao)水平,爆(bao)(bao)(bao)(bao)破(po)(po)作業是一(yi)(yi)(yi)項危險性的(de)(de)(de)工作,大家知道,一(yi)(yi)(yi)次爆(bao)(bao)(bao)(bao)破(po)(po)事故,可能(neng)會造成(cheng)人民生命和財產的(de)(de)(de)損(sun)失,也(ye)可能(neng)導致環(huan)(huan)(huan)境(jing)受到破(po)(po)壞。為了(le)安(an)(an)全,在(zai)工程實(shi)踐中(zhong),往(wang)往(wang)有(you)許多要求和標(biao)準需要我們(men)努(nu)力去解決,比如嚴格控制(zhi)爆(bao)(bao)(bao)(bao)破(po)(po)的(de)(de)(de)振動(dong)效應(ying)、爆(bao)(bao)(bao)(bao)破(po)(po)沖擊波、噪(zao)聲、粉塵等影(ying)響,要預(yu)防電干擾等對(dui)爆(bao)(bao)(bao)(bao)破(po)(po)作業的(de)(de)(de)威脅(xie),還要關注水土保持、環(huan)(huan)(huan)境(jing)保護等問(wen)題。爆(bao)(bao)(bao)(bao)破(po)(po)作業的(de)(de)(de)安(an)(an)全問(wen)題一(yi)(yi)(yi)直(zhi)是各方(fang)面所重視的(de)(de)(de)問(wen)題,已形(xing)成(cheng)了(le)一(yi)(yi)(yi)種專(zhuan)業化的(de)(de)(de)規范、制(zhi)度(du)和技(ji)術(shu)。如中(zhong)國(guo)自1992年頒布《拆除爆(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)全規程》,通過拆除爆(bao)(bao)(bao)(bao)破(po)(po)分級管(guan)(guan)理、承(cheng)擔單位及人員資格審查、爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)術(shu)人員培訓(xun)與(yu)考核(he)、爆(bao)(bao)(bao)(bao)破(po)(po)設(she)計審查與(yu)安(an)(an)全評估等規定,有(you)力地推動(dong)了(le)爆(bao)(bao)(bao)(bao)破(po)(po)工程的(de)(de)(de)安(an)(an)全管(guan)(guan)理,取得了(le)顯著的(de)(de)(de)成(cheng)效。
水(shui)壓(ya)(ya)(ya)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)較(jiao)水(shui)壓(ya)(ya)(ya)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po),在(zai)(zai)周邊眼(yan)單循(xun)環火工品使(shi)用(yong)量上節約費(fei)(fei)用(yong)8.3%,周邊眼(yan)鉆孔數量從39個(ge)下(xia)降為23個(ge)費(fei)(fei)用(yong)節約41%,混凝(ning)土噴射每(mei)延米節約1.37立方(fang)米。水(shui)壓(ya)(ya)(ya)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)比水(shui)壓(ya)(ya)(ya)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)每(mei)循(xun)環節約費(fei)(fei)用(yong)258.4元,即每(mei)延米節約76較(jiao)元,節約費(fei)(fei)用(yong)比例達(da)32%。此外,聚(ju)能(neng)(neng)管(guan)水(shui)壓(ya)(ya)(ya)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)能(neng)(neng)有(you)效(xiao)(xiao)降低隧道(dao)內石渣塊(kuai)度(du)和粉塵含量,還可使(shi)通風(feng)時(shi)間有(you)效(xiao)(xiao)縮短(duan)33%。聚(ju)能(neng)(neng)管(guan)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)工藝技術很(hen)成(cheng)熟、可操作性很(hen)強、材(cai)料成(cheng)本很(hen)低、施工速度(du)很(hen)快(kuai)、節能(neng)(neng)環保效(xiao)(xiao)果(guo)很(hen)顯著、經濟效(xiao)(xiao)益社會效(xiao)(xiao)益很(hen)高。聚(ju)能(neng)(neng)管(guan)定(ding)向爆(bao)破(po)技術是近幾年發(fa)展(zhan)起來(lai)的(de)一項掘進(jin)新(xin)技術,這(zhe)種爆(bao)破(po)技術與傳統的(de)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)技術有(you)一定(ding)的(de)差別,聚(ju)能(neng)(neng)管(guan)定(ding)向爆(bao)破(po)原理是在(zai)(zai)巷道(dao)周邊眼(yan)中,將炸(zha)裝在(zai)(zai)聚(ju)能(neng)(neng)管(guan)中起爆(bao),爆(bao)破(po)時(shi)利用(yong)聚(ju)能(neng)(neng)管(guan)的(de)聚(ju)能(neng)(neng)作用(yong),以減少(shao)裂隙(xi)的(de)數量和控制優(you)勢裂隙(xi)的(de)發(fa)展(zhan)方(fang)向。