在工程爆(bao)(bao)(bao)(bao)(bao)破(po)中(zhong)(zhong),常用的起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)有(you):電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)火(huo)索起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)。電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)是(shi)(shi)(shi)利(li)用電(dian)(dian)(dian)(dian)(dian)能(neng)使雷(lei)管(guan)爆(bao)(bao)(bao)(bao)(bao)炸,進而起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)炸藥的起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)芳法(fa)(fa)(fa)。它所需的器(qi)材有(you):電(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)、導(dao)(dao)線和起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)源。電(dian)(dian)(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)網路的連(lian)接形式(shi)(shi),要(yao)(yao)根據爆(bao)(bao)(bao)(bao)(bao)破(po)方法(fa)(fa)(fa)、爆(bao)(bao)(bao)(bao)(bao)破(po)規(gui)模、工程的重要(yao)(yao)性、所選起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)源及其起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)能(neng)力(li)(li)等進行選擇,基本連(lian)接方式(shi)(shi)有(you):串聯、并(bing)聯、串并(bing)聯和并(bing)串聯等。電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)具有(you)較安全、可靠、準(zhun)確、高(gao)效等優(you)點,在國(guo)內外仍(reng)占有(you)較大比重。在大、中(zhong)(zhong)型爆(bao)(bao)(bao)(bao)(bao)破(po)中(zhong)(zhong),主(zhu)要(yao)(yao)仍(reng)是(shi)(shi)(shi)用電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)。特別是(shi)(shi)(shi)在有(you)瓦斯、礦(kuang)塵爆(bao)(bao)(bao)(bao)(bao)炸的環(huan)境(jing)中(zhong)(zhong),電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)是(shi)(shi)(shi)主(zhu)要(yao)(yao)的起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)。但電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)容易(yi)受(shou)各種電(dian)(dian)(dian)(dian)(dian)信號的干擾而發生早(zao)爆(bao)(bao)(bao)(bao)(bao),因此在有(you)雜散電(dian)(dian)(dian)(dian)(dian)、靜(jing)電(dian)(dian)(dian)(dian)(dian)、雷(lei)電(dian)(dian)(dian)(dian)(dian)、射頻電(dian)(dian)(dian)(dian)(dian)、高(gao)壓(ya)感應電(dian)(dian)(dian)(dian)(dian)的環(huan)境(jing)中(zhong)(zhong),不(bu)能(neng)使用普通電(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)。
水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破技術(shu)基礎(chu)上(shang)發展起來的一(yi)項新技術(shu),其掏槽眼、輔助(zhu)眼裝藥結構(gou)和爆(bao)(bao)(bao)(bao)(bao)(bao)破方式與水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破相(xiang)同,但在周(zhou)邊(bian)眼中安(an)裝專用(yong)線(xian)性聚(ju)(ju)能(neng)藥管(guan)替代常規爆(bao)(bao)(bao)(bao)(bao)(bao)破藥卷和傳爆(bao)(bao)(bao)(bao)(bao)(bao)線(xian),利用(yong)線(xian)性聚(ju)(ju)能(neng)藥管(guan)產生的粒(li)子(zi)射流動能(neng)、高壓(ya)(ya)爆(bao)(bao)(bao)(bao)(bao)(bao)破氣體應力及“氣楔”作(zuo)用(yong),形成平整圓順的開挖輪廓(kuo)面(mian),對控制超欠挖具有良(liang)好效果,有效提升了隧道施工(gong)質量(liang)(liang)、進(jin)度和經(jing)濟效益。水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破較(jiao)水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破,在周(zhou)邊(bian)眼單(dan)循(xun)環(huan)火工(gong)品使(shi)用(yong)量(liang)(liang)上(shang)節約費(fei)用(yong)8.3%,周(zhou)邊(bian)眼鉆(zhan)孔(kong)數量(liang)(liang)從39個(ge)下降為23個(ge)費(fei)用(yong)節約41%,混凝土噴射每(mei)延米節約1.37立(li)方米。聚(ju)(ju)能(neng)水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破比(bi)水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破每(mei)循(xun)環(huan)節約費(fei)用(yong)258.4元(yuan),即每(mei)延米節約76較(jiao)元(yuan),節約費(fei)用(yong)比(bi)例達32%。此(ci)外,聚(ju)(ju)能(neng)水(shui)(shui)壓(ya)(ya)光(guang)(guang)(guang)面(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破能(neng)有效降低隧道內石渣塊度和粉塵含(han)量(liang)(liang),還可使(shi)通風時間(jian)有效縮短(duan)33%。
各種爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)、爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)器材銷(xiao)毀以及(ji)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)器材意外爆(bao)(bao)(bao)(bao)(bao)炸時,爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)源與(yu)人員和其他保護對(dui)(dui)象之間(jian)的(de)(de)(de)(de)(de)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li)稱為爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li)。爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li)應(ying)取各種爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)效(xiao)(xiao)應(ying)(地(di)震(zhen)、沖(chong)擊(ji)波(bo)、飛(fei)石、有(you)毒氣體(ti)等)分別核定(ding)的(de)(de)(de)(de)(de)大(da)值。爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)時,必然(ran)產(chan)生爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)震(zhen)、空氣沖(chong)擊(ji)波(bo)、碎石飛(fei)散及(ji)有(you)害氣體(ti),因此,爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)設計(ji)時必須確(que)定(ding)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)危(wei)害范圍,并確(que)定(ding)爆(bao)(bao)(bao)(bao)(bao)點到(dao)附近人員、設備、建(jian)筑物(wu)及(ji)井(jing)巷等的(de)(de)(de)(de)(de)安(an)(an)全(quan),這(zhe)一段距(ju)(ju)(ju)離(li)(li)(li)(li)(li)就稱為爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li)。如(ru)何控制好這(zhe)段距(ju)(ju)(ju)離(li)(li)(li)(li)(li)就顯(xian)的(de)(de)(de)(de)(de)尤為重要。為保證(zheng)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan),爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)點與(yu)人員或其他應(ying)保護對(dui)(dui)象之間(jian)必須保持(chi)短的(de)(de)(de)(de)(de)相隔長(chang)度。爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)有(you)害效(xiao)(xiao)應(ying)隨距(ju)(ju)(ju)離(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)增加(jia)有(you)規律(lv)地(di)衰減,用距(ju)(ju)(ju)離(li)(li)(li)(li)(li)作為安(an)(an)全(quan)尺度可限定(ding)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)有(you)害效(xiao)(xiao)應(ying)在允(yun)許(xu)限度之內(nei)。中(zhong)國《爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)規程》規定(ding)了爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)震(zhen)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li),個別飛(fei)散物(wu)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li),以及(ji)爆(bao)(bao)(bao)(bao)(bao)炸沖(chong)擊(ji)波(bo)的(de)(de)(de)(de)(de)安(an)(an)全(quan)距(ju)(ju)(ju)離(li)(li)(li)(li)(li)。
淮北礦用型聚能管不成功的事例是有的,如爆而不倒、實施定向爆破后沒有按爆破方案的方向倒塌等等。這些事例警示:從爆破設計、爆破器材質量、爆破施工到起爆網路連接等,只要有一個環節出現失誤,都將影響爆破工程的效果,乃至造成嚴重的后果。礦用型聚能管公司爆(bao)破(po)(po)作(zuo)業無論是老舊(jiu)建筑物(wu)本身(shen)還是周圍(wei)環境都(dou)十分(fen)(fen)復雜(za),這不僅要(yao)(yao)(yao)求(qiu)認真調查(cha)爆(bao)破(po)(po)體的結構(包括施(shi)(shi)工(gong)(gong)缺陷),分(fen)(fen)析受力狀況,同時還要(yao)(yao)(yao)對(dui)采取技(ji)術措施(shi)(shi)(如預處理、嵌補(bu)、支(zhi)撐等(deng))的可(ke)靠(kao)和(he)安全(quan)(quan)性進行(xing)分(fen)(fen)析,對(dui)可(ke)能出現的意外(wai)情況,應預先制定應急(ji)方案,努力避免安全(quan)(quan)事故和(he)不必要(yao)(yao)(yao)的損失。工(gong)(gong)程的環保性越來(lai)越受到人(ren)們的關注,同時,探索無公害的拆(chai)除爆(bao)破(po)(po)技(ji)術,一直是爆(bao)破(po)(po)工(gong)(gong)作(zuo)者追(zhui)求(qiu)的目標。設立掩蔽體對(dui)物(wu)體加(jia)以(yi)保護,簡單(dan)的辦法是用(yong)草袋、竹笆(ba)一類材料覆蓋在(zai)需要(yao)(yao)(yao)保護的物(wu)體上面;對(dui)房(fang)屋和(he)機器設備(bei)常要(yao)(yao)(yao)在(zai)迎面和(he)頂部豎立排架,用(yong)木板或(huo)荊笆(ba)上罩鐵(tie)絲網,抵御(yu)較(jiao)多的飛石和(he)較(jiao)強的空氣沖(chong)擊(ji)波的打擊(ji);對(dui)某些(xie)重(zhong)要(yao)(yao)(yao)工(gong)(gong)程的建筑物(wu)打防震孔或(huo)者用(yong)預裂爆(bao)破(po)(po)將爆(bao)破(po)(po)區和(he)被(bei)保護的建筑物(wu)或(huo)工(gong)(gong)程設施(shi)(shi)隔(ge)離開來(lai)。
水(shui)(shui)壓(ya)(ya)光面爆(bao)(bao)(bao)破(po)技術,是在水(shui)(shui)壓(ya)(ya)光面爆(bao)(bao)(bao)破(po)技術基(ji)礎上(shang)發展起來(lai)的(de)一項(xiang)新(xin)技術,其掏槽(cao)眼(yan)、輔助眼(yan)裝(zhuang)藥結構和爆(bao)(bao)(bao)破(po)方式與水(shui)(shui)壓(ya)(ya)光面爆(bao)(bao)(bao)破(po)相同,但在周邊眼(yan)中安裝(zhuang)專用聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)(guan)裝(zhuang)置替代常(chang)規(gui)爆(bao)(bao)(bao)破(po)藥卷和傳爆(bao)(bao)(bao)線,利用聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)(guan)產生的(de)粒子射流動能(neng)(neng)(neng)、高壓(ya)(ya)爆(bao)(bao)(bao)破(po)氣(qi)體應力及“氣(qi)楔”作用,形成平整圓順(shun)的(de)開挖輪廓面,對(dui)控(kong)制超欠挖具有良好效(xiao)果,有效(xiao)提升(sheng)了隧道(dao)施工(gong)質量(liang)、進度(du)和經濟效(xiao)益。科學合理地利用能(neng)(neng)(neng)源,提高能(neng)(neng)(neng)源利用效(xiao)率(lv),對(dui)節能(neng)(neng)(neng)減排也十分重要。利用聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)(guan)兩端(duan)的(de)水(shui)(shui)平開出(chu)的(de)聚(ju)(ju)能(neng)(neng)(neng)槽(cao)產生的(de)聚(ju)(ju)能(neng)(neng)(neng)射流效(xiao)應對(dui)巖石進行(xing)破(po)碎(sui)。據專家測算(suan),由于(yu)聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)(guan)兩端(duan)聚(ju)(ju)能(neng)(neng)(neng)槽(cao)產生的(de)聚(ju)(ju)能(neng)(neng)(neng)切割效(xiao)應,其能(neng)(neng)(neng)效(xiao)比提升(sheng)一個量(liang)級。