在(zai)鐵(tie)(tie)(tie)路(lu)(lu)(lu)、礦(kuang)(kuang)山(shan)、水(shui)庫(ku)等(deng)大型工(gong)(gong)(gong)(gong)程中,爆(bao)破(po)(po)技術的(de)(de)(de)(de)(de)(de)作用(yong)(yong)很關鍵(jian)很重(zhong)要。采(cai)礦(kuang)(kuang)修(xiu)路(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)開山(shan)挖(wa)隧道,城市對舊(jiu)建(jian)筑物的(de)(de)(de)(de)(de)(de)拆除,都(dou)會用(yong)(yong)到爆(bao)破(po)(po)技術。隨著經濟的(de)(de)(de)(de)(de)(de)發(fa)展、工(gong)(gong)(gong)(gong)程建(jian)設的(de)(de)(de)(de)(de)(de)增多,爆(bao)破(po)(po)引(yin)起(qi)(qi)了人們更多的(de)(de)(de)(de)(de)(de)關注(zhu)。爆(bao)破(po)(po)聚(ju)(ju)能(neng)(neng)管作為一(yi)種科學技術,應用(yong)(yong)很廣,但在(zai)工(gong)(gong)(gong)(gong)程上的(de)(de)(de)(de)(de)(de)應用(yong)(yong)無疑是(shi)(shi)(shi)重(zhong)要、常(chang)見的(de)(de)(de)(de)(de)(de),采(cai)礦(kuang)(kuang)開山(shan),修(xiu)鐵(tie)(tie)(tie)路(lu)(lu)(lu)、公路(lu)(lu)(lu)用(yong)(yong)鉆爆(bao)法來(lai)開掘隧道,水(shui)利(li)工(gong)(gong)(gong)(gong)程上也用(yong)(yong)一(yi)些,城市里面(mian)也使用(yong)(yong)了,拆除樓(lou)房(fang)。利(li)用(yong)(yong)炸爆(bao)炸產生的(de)(de)(de)(de)(de)(de)巨大能(neng)(neng)量破(po)(po)壞(huai)某種物體的(de)(de)(de)(de)(de)(de)原(yuan)結構,這(zhe)(zhe)種"破(po)(po)壞(huai)"效果不(bu)是(shi)(shi)(shi)其他方法能(neng)(neng)代替的(de)(de)(de)(de)(de)(de),它雖然不(bu)是(shi)(shi)(shi)獨立完(wan)成(cheng)一(yi)個(ge)工(gong)(gong)(gong)(gong)程,但卻是(shi)(shi)(shi)一(yi)個(ge)重(zhong)要的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)序,特(te)別是(shi)(shi)(shi)石方開挖(wa)、礦(kuang)(kuang)山(shan)開采(cai)等(deng)工(gong)(gong)(gong)(gong)程缺少了這(zhe)(zhe)個(ge)工(gong)(gong)(gong)(gong)序還(huan)不(bu)行。中國目前有發(fa)達的(de)(de)(de)(de)(de)(de)鐵(tie)(tie)(tie)路(lu)(lu)(lu)和公路(lu)(lu)(lu)交(jiao)通網,可以想(xiang)象(xiang),當初在(zai)修(xiu)這(zhe)(zhe)些路(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)時候(hou)會遇到許(xu)多高山(shan)峻(jun)嶺,一(yi)座(zuo)(zuo)大山(shan)橫在(zai)兩地之間,想(xiang)要修(xiu)路(lu)(lu)(lu),就必須讓(rang)這(zhe)(zhe)座(zuo)(zuo)山(shan)消(xiao)失,這(zhe)(zhe)個(ge)時候(hou)聚(ju)(ju)能(neng)(neng)管爆(bao)破(po)(po)就起(qi)(qi)到決定(ding)性作用(yong)(yong)了。
在(zai)(zai)工(gong)程爆(bao)(bao)(bao)(bao)(bao)破(po)中(zhong),常(chang)用的(de)(de)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)方法(fa)有:電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)、導火索起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)是(shi)利用電(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)使雷管(guan)爆(bao)(bao)(bao)(bao)(bao)炸,進而起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)炸藥(yao)的(de)(de)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)芳法(fa)。它所(suo)(suo)需的(de)(de)器材有:電(dian)(dian)(dian)(dian)(dian)(dian)雷管(guan)、導線和(he)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)源。電(dian)(dian)(dian)(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)網路的(de)(de)連接形式(shi),要(yao)(yao)根據(ju)爆(bao)(bao)(bao)(bao)(bao)破(po)方法(fa)、爆(bao)(bao)(bao)(bao)(bao)破(po)規(gui)模、工(gong)程的(de)(de)重要(yao)(yao)性、所(suo)(suo)選起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)源及其起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)能(neng)(neng)力(li)等進行選擇,基本連接方式(shi)有:串(chuan)聯(lian)(lian)、并(bing)(bing)聯(lian)(lian)、串(chuan)并(bing)(bing)聯(lian)(lian)和(he)并(bing)(bing)串(chuan)聯(lian)(lian)等。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)具有較安全(quan)、可(ke)靠、準(zhun)確、高(gao)效等優點,在(zai)(zai)國(guo)內(nei)外仍占有較大(da)比重。在(zai)(zai)大(da)、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)破(po)中(zhong),主(zhu)要(yao)(yao)仍是(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)。特(te)別是(shi)在(zai)(zai)有瓦斯、礦(kuang)塵爆(bao)(bao)(bao)(bao)(bao)炸的(de)(de)環境中(zhong),電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)是(shi)主(zhu)要(yao)(yao)的(de)(de)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)方法(fa)。但電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)容易(yi)受(shou)各種電(dian)(dian)(dian)(dian)(dian)(dian)信號(hao)的(de)(de)干(gan)擾而發生早(zao)爆(bao)(bao)(bao)(bao)(bao),因此在(zai)(zai)有雜散電(dian)(dian)(dian)(dian)(dian)(dian)、靜電(dian)(dian)(dian)(dian)(dian)(dian)、雷電(dian)(dian)(dian)(dian)(dian)(dian)、射頻電(dian)(dian)(dian)(dian)(dian)(dian)、高(gao)壓感應電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)環境中(zhong),不能(neng)(neng)使用普(pu)通電(dian)(dian)(dian)(dian)(dian)(dian)雷管(guan)。
我國20世紀60年代利用斷裂力學對巖石損傷引起的裂紋擴展進行過試驗研究,深孔爆破多向聚能管廠家為聚能爆破技術應用到工程做了不少理論分析,也取得一些進展。80年代中期開始進行應用研究,以北京礦業學院為代表,著重研究了聚能藥包切割饑理和應用。1987年淮南礦業學院取得“雙面切割器”的zhuanli,1995年又取得“大理石花崗巖切割技術應用”zhuanli。1991年中國水電七局曾試圖采用硬質紙加工聚能藥管成形聚能藥卷做過聚能預裂爆破試驗研究,深孔爆破多向聚能管廠家但終因(yin)當時(shi)(shi)的技(ji)術及工(gong)(gong)藝(yi)水(shui)平的限(xian)制無法(fa)用于正常施工(gong)(gong),但是(shi)他們開了橢圓雙(shuang)極線性(xing)聚能(neng)結(jie)構試驗的先(xian)河。雙(shuang)聚能(neng)預裂(lie)與光面爆破綜合技(ji)術開創輪(lun)廓控制爆破新(xin)時(shi)(shi)代。
光(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)技(ji)術優勢:相對于(yu)傳統(tong)爆(bao)(bao)(bao)破(po)工藝,聚(ju)能管光(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)比常規爆(bao)(bao)(bao)破(po)具(ju)有以(yi)(yi)下(xia)(xia)優勢∶少(shao)(shao)打眼(yan),少(shao)(shao)裝藥。節(jie)(jie)約(yue)(yue)周邊(bian)鉆(zhan)孔(kong)(kong)(kong)(kong)量50%,總(zong)鉆(zhan)孔(kong)(kong)(kong)(kong)進尺減(jian)少(shao)(shao)30%;節(jie)(jie)約(yue)(yue)炸藥10~20%,雷管30%。節(jie)(jie)約(yue)(yue)噴漿料(liao)15-20%。節(jie)(jie)省時(shi)間∶每循環鉆(zhan)孔(kong)(kong)(kong)(kong)、裝藥、噴漿時(shi)間1.5-2.0小(xiao)時(shi)。在安(an)全方面(mian)(mian)利用(yong)水沙袋替代炮泥,以(yi)(yi)避免搗炮泥損(sun)毀電雷管導線(xian),造成(cheng)(cheng)瞎炮。大大減(jian)少(shao)(shao)對圍巖擾動,光(guang)(guang)面(mian)(mian)效果好(hao),巖性(xing)條件(jian)差(cha)情(qing)況(kuang)下(xia)(xia)可(ke)以(yi)(yi)大大減(jian)少(shao)(shao)超(chao)挖量,控(kong)制巷(xiang)道成(cheng)(cheng)型(xing);巖性(xing)完整無(wu)節(jie)(jie)理情(qing)況(kuang)下(xia)(xia)眼(yan)痕率可(ke)以(yi)(yi)達到90%以(yi)(yi)上,巷(xiang)道成(cheng)(cheng)型(xing)好(hao),穩定性(xing)強。布孔(kong)(kong)(kong)(kong)方式優化(hua)成(cheng)(cheng)多排掏槽布孔(kong)(kong)(kong)(kong),單次掘(jue)進深(shen)度可(ke)以(yi)(yi)優化(hua)提高10%到15%不等(deng)。由于(yu)炮孔(kong)(kong)(kong)(kong)數量大大減(jian)少(shao)(shao)可(ke)以(yi)(yi)考慮(lv)一起全斷面(mian)(mian)起爆(bao)(bao)(bao),節(jie)(jie)省放炮時(shi)間。
專(zhuan)注(zhu)爆(bao)(bao)(bao)(bao)破(po)(po)聚能(neng)(neng)管批發(fa)銷售。隨(sui)著中國(guo)現代化建(jian)設的(de)(de)(de)(de)發(fa)展,爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)業(ye)(ye)環境越(yue)來(lai)越(yue)復雜,對(dui)爆(bao)(bao)(bao)(bao)破(po)(po)安(an)全(quan)的(de)(de)(de)(de)要求可能(neng)(neng)也(ye)(ye)會越(yue)來(lai)越(yue)高。盡管我們工(gong)(gong)程爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)術(shu)已達到很高水(shui)平,爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)業(ye)(ye)是一(yi)項危險性的(de)(de)(de)(de)工(gong)(gong)作(zuo),大家知道,一(yi)次爆(bao)(bao)(bao)(bao)破(po)(po)事故,可能(neng)(neng)會造成(cheng)人(ren)民生命(ming)和財產的(de)(de)(de)(de)損失,也(ye)(ye)可能(neng)(neng)導致環境受到破(po)(po)壞。為了安(an)全(quan),在(zai)工(gong)(gong)程實(shi)踐(jian)中,往往有許多要求和標準(zhun)需要我們努力去解決,比(bi)如嚴格控(kong)制爆(bao)(bao)(bao)(bao)破(po)(po)的(de)(de)(de)(de)振動效(xiao)應(ying)、爆(bao)(bao)(bao)(bao)破(po)(po)沖擊波、噪聲(sheng)、粉塵等影響,要預防電干擾(rao)等對(dui)爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)業(ye)(ye)的(de)(de)(de)(de)威脅,還(huan)要關(guan)注(zhu)水(shui)土(tu)保持、環境保護等問題。爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)業(ye)(ye)的(de)(de)(de)(de)安(an)全(quan)問題一(yi)直是各(ge)方面(mian)所(suo)重(zhong)視的(de)(de)(de)(de)問題,已形成(cheng)了一(yi)種專(zhuan)業(ye)(ye)化的(de)(de)(de)(de)規范、制度和技(ji)術(shu)。如中國(guo)自1992年頒布《拆(chai)除爆(bao)(bao)(bao)(bao)破(po)(po)安(an)全(quan)規程》,通過拆(chai)除爆(bao)(bao)(bao)(bao)破(po)(po)分級管理、承擔單(dan)位及人(ren)員資格審(shen)查(cha)、爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)術(shu)人(ren)員培訓與考核、爆(bao)(bao)(bao)(bao)破(po)(po)設計審(shen)查(cha)與安(an)全(quan)評估等規定,有力地(di)推動了爆(bao)(bao)(bao)(bao)破(po)(po)工(gong)(gong)程的(de)(de)(de)(de)安(an)全(quan)管理,取(qu)得了顯著的(de)(de)(de)(de)成(cheng)效(xiao)。