我國于1983年制定了(le)(le)《水(shui)(shui)工(gong)(gong)建筑(zhu)物巖(yan)(yan)行基(ji)礎(chu)開挖(wa)工(gong)(gong)程(cheng)施工(gong)(gong)技(ji)(ji)術(shu)(shu)規范(fan)》(sD 121l一1983)。自此,在(zai)(zai)(zai)水(shui)(shui)利(li)水(shui)(shui)電建設(she)中(zhong)預(yu)(yu)裂(lie)(lie)爆(bao)(bao)破(po)(po)與(yu)光面(mian)(mian)(mian)爆(bao)(bao)破(po)(po)已(yi)成為必須進行的(de)(de)保護邊(bian)(bian)坡(po)(po)質(zhi)量的(de)(de)爆(bao)(bao)破(po)(po)開挖(wa)技(ji)(ji)術(shu)(shu)措施。此后(hou)在(zai)(zai)(zai)此基(ji)礎(chu)上修訂的(de)(de)《水(shui)(shui)工(gong)(gong)建筑(zhu)物巖(yan)(yan)石基(ji)礎(chu)開挖(wa)工(gong)(gong)程(cheng)施工(gong)(gong)技(ji)(ji)術(shu)(shu)規范(fan)》(SL 47一1994)以及在(zai)(zai)(zai)《水(shui)(shui)電水(shui)(shui)利(li)爆(bao)(bao)破(po)(po)工(gong)(gong)程(cheng)施工(gong)(gong)技(ji)(ji)術(shu)(shu)規范(fan)》(DL/T 5135—2001)和(he)(he)《水(shui)(shui)工(gong)(gong)建筑(zhu)物巖(yan)(yan)石基(ji)礎(chu)開挖(wa)工(gong)(gong)程(cheng)施工(gong)(gong)技(ji)(ji)術(shu)(shu)規范(fan)》(DL/T 5389~2007)中(zhong)預(yu)(yu)裂(lie)(lie)爆(bao)(bao)破(po)(po)與(yu)光面(mian)(mian)(mian)爆(bao)(bao)破(po)(po)均(jun)被編入并有所改進,DL/T 5135—2001正在(zai)(zai)(zai)修編為DL/T 5135—2012。鐵道(dao)部也(ye)不僅規定了(le)(le)凡(fan)是Ⅲ級以上的(de)(de)巖(yan)(yan)石邊(bian)(bian)坡(po)(po),設(she)計邊(bian)(bian)坡(po)(po)坡(po)(po)度(du)為1:0.1~1:0.75,在(zai)(zai)(zai)邊(bian)(bian)坡(po)(po)部位的(de)(de)爆(bao)(bao)破(po)(po)設(she)計和(he)(he)施工(gong)(gong)都應采用(yong)(yong)光面(mian)(mian)(mian)爆(bao)(bao)破(po)(po)或預(yu)(yu)裂(lie)(lie)爆(bao)(bao)破(po)(po),并闡(chan)述了(le)(le)光面(mian)(mian)(mian)(預(yu)(yu)裂(lie)(lie))爆(bao)(bao)破(po)(po)施工(gong)(gong)技(ji)(ji)術(shu)(shu)設(she)計的(de)(de)原則和(he)(he)參數(shu)、安全措施,而且還明確了(le)(le)路(lu)塹邊(bian)(bian)坡(po)(po)光面(mian)(mian)(mian)(預(yu)(yu)裂(lie)(lie))爆(bao)(bao)破(po)(po)項目質(zhi)量驗(yan)收檢測數(shu)量和(he)(he)檢測方法。無疑該規程(cheng)的(de)(de)實施,有力地(di)推動和(he)(he)促(cu)進了(le)(le)光面(mian)(mian)(mian)(預(yu)(yu)裂(lie)(lie))爆(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)在(zai)(zai)(zai)鐵路(lu)建設(she)中(zhong)的(de)(de)應用(yong)(yong)與(yu)發(fa)展。
水(shui)壓(ya)光(guang)面(mian)爆(bao)(bao)破技(ji)術,是在水(shui)壓(ya)光(guang)面(mian)爆(bao)(bao)破技(ji)術基礎上發展起來(lai)的(de)一項(xiang)新(xin)技(ji)術,其(qi)掏槽眼(yan)、輔(fu)助眼(yan)裝藥(yao)結構(gou)和爆(bao)(bao)破方(fang)式與水(shui)壓(ya)光(guang)面(mian)爆(bao)(bao)破相(xiang)同,但在周(zhou)邊眼(yan)中(zhong)安(an)裝專用聚(ju)能(neng)(neng)管(guan)(guan)(guan)裝置替代(dai)常規(gui)爆(bao)(bao)破藥(yao)卷和傳(chuan)爆(bao)(bao)線,利用聚(ju)能(neng)(neng)管(guan)(guan)(guan)產(chan)生(sheng)(sheng)的(de)粒子射流動能(neng)(neng)、高(gao)(gao)壓(ya)爆(bao)(bao)破氣體應力及“氣楔”作用,形成平(ping)整圓順(shun)的(de)開(kai)挖(wa)輪廓面(mian),對(dui)控(kong)制超欠挖(wa)具(ju)有(you)良好效(xiao)(xiao)果,有(you)效(xiao)(xiao)提升了(le)隧(sui)道施工(gong)質量、進(jin)度和經(jing)濟效(xiao)(xiao)益。科(ke)學(xue)合理(li)地利用能(neng)(neng)源,提高(gao)(gao)能(neng)(neng)源利用效(xiao)(xiao)率,對(dui)節能(neng)(neng)減排(pai)也(ye)十分(fen)重要(yao)。利用聚(ju)能(neng)(neng)管(guan)(guan)(guan)兩端的(de)水(shui)平(ping)開(kai)出的(de)聚(ju)能(neng)(neng)槽產(chan)生(sheng)(sheng)的(de)聚(ju)能(neng)(neng)射流效(xiao)(xiao)應對(dui)巖石進(jin)行(xing)破碎(sui)。據專家測算,由于(yu)聚(ju)能(neng)(neng)管(guan)(guan)(guan)兩端聚(ju)能(neng)(neng)槽產(chan)生(sheng)(sheng)的(de)聚(ju)能(neng)(neng)切割效(xiao)(xiao)應,其(qi)能(neng)(neng)效(xiao)(xiao)比提升一個量級。
在鐵路(lu)、礦(kuang)(kuang)山、水庫等大型工(gong)(gong)(gong)(gong)程(cheng)中,爆(bao)破(po)(po)技(ji)術(shu)的(de)(de)作用(yong)(yong)很(hen)關(guan)鍵很(hen)重(zhong)要(yao)。采礦(kuang)(kuang)修(xiu)路(lu)的(de)(de)開(kai)(kai)山挖(wa)隧道,城(cheng)(cheng)市對舊建筑物的(de)(de)拆除(chu),都會用(yong)(yong)到(dao)爆(bao)破(po)(po)技(ji)術(shu)。隨(sui)著經(jing)濟的(de)(de)發(fa)展(zhan)、工(gong)(gong)(gong)(gong)程(cheng)建設的(de)(de)增多,爆(bao)破(po)(po)引起(qi)了(le)人(ren)們更(geng)多的(de)(de)關(guan)注。爆(bao)破(po)(po)聚能(neng)(neng)(neng)管(guan)作為(wei)一(yi)(yi)(yi)種科學技(ji)術(shu),應(ying)(ying)用(yong)(yong)很(hen)廣,但在工(gong)(gong)(gong)(gong)程(cheng)上的(de)(de)應(ying)(ying)用(yong)(yong)無疑是重(zhong)要(yao)、常見的(de)(de),采礦(kuang)(kuang)開(kai)(kai)山,修(xiu)鐵路(lu)、公(gong)路(lu)用(yong)(yong)鉆爆(bao)法來開(kai)(kai)掘(jue)隧道,水利(li)(li)工(gong)(gong)(gong)(gong)程(cheng)上也用(yong)(yong)一(yi)(yi)(yi)些(xie),城(cheng)(cheng)市里(li)面也使用(yong)(yong)了(le),拆除(chu)樓房(fang)。利(li)(li)用(yong)(yong)炸爆(bao)炸產(chan)生的(de)(de)巨大能(neng)(neng)(neng)量(liang)破(po)(po)壞某(mou)種物體的(de)(de)原(yuan)結構,這種"破(po)(po)壞"效果(guo)不是其(qi)他方(fang)法能(neng)(neng)(neng)代(dai)替的(de)(de),它雖然不是獨立(li)完成一(yi)(yi)(yi)個工(gong)(gong)(gong)(gong)程(cheng),但卻是一(yi)(yi)(yi)個重(zhong)要(yao)的(de)(de)工(gong)(gong)(gong)(gong)序(xu),特別是石(shi)方(fang)開(kai)(kai)挖(wa)、礦(kuang)(kuang)山開(kai)(kai)采等工(gong)(gong)(gong)(gong)程(cheng)缺少了(le)這個工(gong)(gong)(gong)(gong)序(xu)還不行。中國目(mu)前有發(fa)達的(de)(de)鐵路(lu)和公(gong)路(lu)交通網(wang),可以想象,當初在修(xiu)這些(xie)路(lu)的(de)(de)時候會遇(yu)到(dao)許(xu)多高山峻嶺,一(yi)(yi)(yi)座大山橫在兩地之間,想要(yao)修(xiu)路(lu),就必須讓這座山消失,這個時候聚能(neng)(neng)(neng)管(guan)爆(bao)破(po)(po)就起(qi)到(dao)決定性作用(yong)(yong)了(le)。
我國(guo)20世紀60年(nian)代利用斷裂力學(xue)對巖石(shi)(shi)損傷引起(qi)的(de)(de)裂紋擴展(zhan)進(jin)行過試(shi)驗(yan)研究(jiu),為聚能(neng)(neng)爆(bao)破技術應(ying)用到工(gong)(gong)程做了不少理(li)論分析,也取(qu)得(de)一些進(jin)展(zhan)。80年(nian)代中(zhong)期開(kai)始(shi)進(jin)行應(ying)用研究(jiu),以(yi)北(bei)京礦業學(xue)院為代表,著重研究(jiu)了聚能(neng)(neng)藥(yao)包切(qie)割(ge)饑理(li)和應(ying)用。1987年(nian)淮南(nan)礦業學(xue)院取(qu)得(de)“雙(shuang)面(mian)(mian)切(qie)割(ge)器”的(de)(de)zhuanli,1995年(nian)又取(qu)得(de)“大(da)理(li)石(shi)(shi)花崗(gang)巖切(qie)割(ge)技術應(ying)用”zhuanli。1991年(nian)中(zhong)國(guo)水電七局曾試(shi)圖采(cai)用硬質(zhi)紙加工(gong)(gong)聚能(neng)(neng)藥(yao)管(guan)成形(xing)聚能(neng)(neng)藥(yao)卷做過聚能(neng)(neng)預(yu)裂爆(bao)破試(shi)驗(yan)研究(jiu),但終因(yin)當時(shi)的(de)(de)技術及工(gong)(gong)藝水平的(de)(de)限制無法(fa)用于正常施(shi)工(gong)(gong),但是他們開(kai)了橢(tuo)圓雙(shuang)極線性聚能(neng)(neng)結構(gou)試(shi)驗(yan)的(de)(de)先(xian)河。雙(shuang)聚能(neng)(neng)預(yu)裂與光(guang)面(mian)(mian)爆(bao)破綜合技術開(kai)創輪廓控制爆(bao)破新(xin)時(shi)代。
在工程爆破中,深孔爆破聚能管公司常用的起爆方法有:電力起爆法、導火索起爆法、導爆索起爆法、導爆管起爆法。電力起爆法是利用電能使雷管爆炸,進而起爆炸藥的起爆芳法。它所需的器材有:電雷管、導線和起爆電源。電爆網路的連接形式,要根據爆破方法、爆破規模、工程的重要性、所選起爆電源及其起爆能力等進行選擇,潮州深孔爆破聚能管基本連接方式有(you):串(chuan)聯、并聯、串(chuan)并聯和并串(chuan)聯等(deng)。電(dian)力起(qi)(qi)爆(bao)(bao)法(fa)(fa)具有(you)較(jiao)安(an)全、可靠、準確、高效等(deng)優點,在國內外仍占(zhan)有(you)較(jiao)大比重。在大、中型爆(bao)(bao)破中,主(zhu)要仍是(shi)用電(dian)力起(qi)(qi)爆(bao)(bao)。特別是(shi)在有(you)瓦斯、礦塵爆(bao)(bao)炸的環(huan)境中,電(dian)力起(qi)(qi)爆(bao)(bao)是(shi)主(zhu)要的起(qi)(qi)爆(bao)(bao)方法(fa)(fa)。但電(dian)力起(qi)(qi)爆(bao)(bao)容易受各種電(dian)信號的干(gan)擾而發生(sheng)早爆(bao)(bao),因此(ci)在有(you)雜(za)散電(dian)、靜(jing)電(dian)、雷電(dian)、射(she)頻電(dian)、高壓感應電(dian)的環(huan)境中,不能使(shi)用普通電(dian)雷管。