專用雙向爆破聚能管水壓光面爆破技術在隧道掘進作業中的實際應用。提升光面爆破水平、嚴抓隧道超挖管控進行了介紹。聚能水壓光面爆破工藝技術很成熟、可操作性很強、材料成本很低、施工速度很快、節能環保效果很顯著、經濟效益社會效益很高。一是要提高對推廣該項技術重要性和必然性的認識;二是要樹立必須采取聚能水壓光面爆破的意識;三是要堅持培訓、示范、監督“三位一體”;四是要制定切實的獎懲制度;五是要建立檢查監督機制,持續促進該項技術的深入推廣。雙向爆破聚能管廠家在隧道施工(gong)的(de)現場管理、科技(ji)創新、人才(cai)培養、經濟(ji)效益等方(fang)面(mian)的(de)不足。建議(yi)對(dui)施工(gong)一線基礎技(ji)術(shu)工(gong)作扎實推進;對(dui)新工(gong)藝、先進工(gong)法要深入學習(xi)鉆研;對(dui)消極懈怠、故(gu)步自封的(de)思想(xiang)要堅決抵制。
不成功(gong)的(de)(de)(de)事(shi)例是(shi)(shi)有的(de)(de)(de),如爆(bao)(bao)(bao)(bao)而不倒、實施定(ding)向(xiang)爆(bao)(bao)(bao)(bao)破(po)(po)后(hou)沒有按爆(bao)(bao)(bao)(bao)破(po)(po)方(fang)案的(de)(de)(de)方(fang)向(xiang)倒塌等(deng)等(deng)。這些事(shi)例警示:從爆(bao)(bao)(bao)(bao)破(po)(po)設計、爆(bao)(bao)(bao)(bao)破(po)(po)器材質量、爆(bao)(bao)(bao)(bao)破(po)(po)施工到(dao)起爆(bao)(bao)(bao)(bao)網(wang)路連接等(deng),只要(yao)(yao)(yao)(yao)有一個(ge)環節出現失(shi)(shi)誤,都(dou)將(jiang)(jiang)影響爆(bao)(bao)(bao)(bao)破(po)(po)工程(cheng)的(de)(de)(de)效果,乃(nai)至造成嚴重(zhong)的(de)(de)(de)后(hou)果。爆(bao)(bao)(bao)(bao)破(po)(po)作業無論是(shi)(shi)老(lao)舊(jiu)建(jian)筑物本身還是(shi)(shi)周圍環境都(dou)十分復雜(za),這不僅(jin)要(yao)(yao)(yao)(yao)求認(ren)真調查爆(bao)(bao)(bao)(bao)破(po)(po)體的(de)(de)(de)結構(包括施工缺(que)陷),分析受力(li)狀況(kuang),同(tong)時(shi)還要(yao)(yao)(yao)(yao)對采(cai)取技術措施(如預處理、嵌補、支撐等(deng))的(de)(de)(de)可靠和(he)(he)安(an)全(quan)性進行分析,對可能出現的(de)(de)(de)意外(wai)情(qing)況(kuang),應預先制定(ding)應急方(fang)案,努力(li)避免(mian)安(an)全(quan)事(shi)故和(he)(he)不必要(yao)(yao)(yao)(yao)的(de)(de)(de)損失(shi)(shi)。工程(cheng)的(de)(de)(de)環保性越來越受到(dao)人們(men)的(de)(de)(de)關(guan)注,同(tong)時(shi),探索無公(gong)害的(de)(de)(de)拆除爆(bao)(bao)(bao)(bao)破(po)(po)技術,一直是(shi)(shi)爆(bao)(bao)(bao)(bao)破(po)(po)工作者追求的(de)(de)(de)目標(biao)。設立掩蔽體對物體加(jia)以保護,簡(jian)單(dan)的(de)(de)(de)辦(ban)法(fa)是(shi)(shi)用草袋、竹(zhu)笆(ba)一類材料覆蓋在(zai)需要(yao)(yao)(yao)(yao)保護的(de)(de)(de)物體上面;對房屋和(he)(he)機器設備常要(yao)(yao)(yao)(yao)在(zai)迎面和(he)(he)頂部豎立排架,用木板(ban)或荊笆(ba)上罩鐵絲網(wang),抵御較多的(de)(de)(de)飛石和(he)(he)較強(qiang)的(de)(de)(de)空(kong)氣沖擊波(bo)的(de)(de)(de)打擊;對某些重(zhong)要(yao)(yao)(yao)(yao)工程(cheng)的(de)(de)(de)建(jian)筑物打防(fang)震(zhen)孔或者用預裂爆(bao)(bao)(bao)(bao)破(po)(po)將(jiang)(jiang)爆(bao)(bao)(bao)(bao)破(po)(po)區和(he)(he)被保護的(de)(de)(de)建(jian)筑物或工程(cheng)設施隔離開來。
我國于(yu)1983年制(zhi)定了(le)《水(shui)(shui)工(gong)(gong)建(jian)筑(zhu)物(wu)巖(yan)行基礎開(kai)挖工(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)技(ji)(ji)術(shu)(shu)(shu)規(gui)(gui)范(fan)》(sD 121l一1983)。自此,在(zai)(zai)水(shui)(shui)利水(shui)(shui)電建(jian)設(she)中預(yu)裂(lie)爆(bao)(bao)(bao)破(po)(po)與(yu)光面(mian)爆(bao)(bao)(bao)破(po)(po)已成為必(bi)須進(jin)(jin)行的保(bao)護邊坡(po)(po)質(zhi)量的爆(bao)(bao)(bao)破(po)(po)開(kai)挖技(ji)(ji)術(shu)(shu)(shu)措施(shi)(shi)。此后在(zai)(zai)此基礎上修訂(ding)的《水(shui)(shui)工(gong)(gong)建(jian)筑(zhu)物(wu)巖(yan)石基礎開(kai)挖工(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)技(ji)(ji)術(shu)(shu)(shu)規(gui)(gui)范(fan)》(SL 47一1994)以及在(zai)(zai)《水(shui)(shui)電水(shui)(shui)利爆(bao)(bao)(bao)破(po)(po)工(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)技(ji)(ji)術(shu)(shu)(shu)規(gui)(gui)范(fan)》(DL/T 5135—2001)和《水(shui)(shui)工(gong)(gong)建(jian)筑(zhu)物(wu)巖(yan)石基礎開(kai)挖工(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)技(ji)(ji)術(shu)(shu)(shu)規(gui)(gui)范(fan)》(DL/T 5389~2007)中預(yu)裂(lie)爆(bao)(bao)(bao)破(po)(po)與(yu)光面(mian)爆(bao)(bao)(bao)破(po)(po)均被編入并有(you)所改進(jin)(jin),DL/T 5135—2001正在(zai)(zai)修編為DL/T 5135—2012。鐵道部(bu)也不僅(jin)規(gui)(gui)定了(le)凡是Ⅲ級以上的巖(yan)石邊坡(po)(po),設(she)計(ji)邊坡(po)(po)坡(po)(po)度為1:0.1~1:0.75,在(zai)(zai)邊坡(po)(po)部(bu)位的爆(bao)(bao)(bao)破(po)(po)設(she)計(ji)和施(shi)(shi)工(gong)(gong)都應(ying)采用(yong)光面(mian)爆(bao)(bao)(bao)破(po)(po)或預(yu)裂(lie)爆(bao)(bao)(bao)破(po)(po),并闡述了(le)光面(mian)(預(yu)裂(lie))爆(bao)(bao)(bao)破(po)(po)施(shi)(shi)工(gong)(gong)技(ji)(ji)術(shu)(shu)(shu)設(she)計(ji)的原則和參數、安全措施(shi)(shi),而且還明確了(le)路塹邊坡(po)(po)光面(mian)(預(yu)裂(lie))爆(bao)(bao)(bao)破(po)(po)項目質(zhi)量驗收檢(jian)測數量和檢(jian)測方法。無疑該規(gui)(gui)程(cheng)的實(shi)施(shi)(shi),有(you)力地推動和促進(jin)(jin)了(le)光面(mian)(預(yu)裂(lie))爆(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)(shu)在(zai)(zai)鐵路建(jian)設(she)中的應(ying)用(yong)與(yu)發展。
在工程爆(bao)(bao)(bao)破(po)中,常用的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)方(fang)(fang)法(fa)有(you)(you):電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)、導火索起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)索起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)。電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)是利用電(dian)(dian)能使(shi)雷管(guan)爆(bao)(bao)(bao)炸,進而起(qi)(qi)(qi)爆(bao)(bao)(bao)炸藥的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)芳法(fa)。它所(suo)需(xu)的(de)器材有(you)(you):電(dian)(dian)雷管(guan)、導線和(he)起(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)源。電(dian)(dian)爆(bao)(bao)(bao)網路的(de)連(lian)接形式,要(yao)根據爆(bao)(bao)(bao)破(po)方(fang)(fang)法(fa)、爆(bao)(bao)(bao)破(po)規模、工程的(de)重(zhong)要(yao)性、所(suo)選起(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)源及(ji)其起(qi)(qi)(qi)爆(bao)(bao)(bao)能力(li)等(deng)進行(xing)選擇,基本連(lian)接方(fang)(fang)式有(you)(you):串(chuan)(chuan)(chuan)聯(lian)(lian)、并聯(lian)(lian)、串(chuan)(chuan)(chuan)并聯(lian)(lian)和(he)并串(chuan)(chuan)(chuan)聯(lian)(lian)等(deng)。電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)具有(you)(you)較(jiao)安全、可靠(kao)、準確、高效等(deng)優點,在國內外仍占有(you)(you)較(jiao)大比重(zhong)。在大、中型爆(bao)(bao)(bao)破(po)中,主(zhu)(zhu)要(yao)仍是用電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)。特(te)別是在有(you)(you)瓦斯(si)、礦塵(chen)爆(bao)(bao)(bao)炸的(de)環境(jing)中,電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)是主(zhu)(zhu)要(yao)的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)方(fang)(fang)法(fa)。但(dan)電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)容易受各種電(dian)(dian)信號的(de)干擾而發(fa)生早(zao)爆(bao)(bao)(bao),因此在有(you)(you)雜散電(dian)(dian)、靜電(dian)(dian)、雷電(dian)(dian)、射(she)頻電(dian)(dian)、高壓感應電(dian)(dian)的(de)環境(jing)中,不能使(shi)用普通(tong)電(dian)(dian)雷管(guan)。
一(yi)(yi)、查驗生產(chan)(chan)企(qi)業(ye)資(zi)(zi)質(zhi)(zhi):1、經過歷年(nian)(nian)年(nian)(nian)審的(de)(de)(de)法人營業(ye)執照:一(yi)(yi)般情況下(xia),個(ge)(ge)體工商戶、個(ge)(ge)人獨資(zi)(zi)企(qi)業(ye)注(zhu)冊資(zi)(zi)金(jin)低于(yu)人民幣五十萬元的(de)(de)(de)即可認(ren)(ren)定為(wei)(wei)家庭作坊(fang)式(shi)廠家。2、具(ju)備(bei)一(yi)(yi)般納稅(shui)(shui)人資(zi)(zi)格的(de)(de)(de)稅(shui)(shui)務登記證(zheng)(zheng)(zheng):企(qi)業(ye)產(chan)(chan)品年(nian)(nian)度銷售額達(da)到或超過一(yi)(yi)定金(jin)額(以稅(shui)(shui)務發票開具(ju)數(shu)額為(wei)(wei)準)并(bing)經主管(guan)稅(shui)(shui)務機關核(he)準、具(ju)備(bei)獨立(li)的(de)(de)(de)開票場所(suo)、專職會計及相應的(de)(de)(de)辦(ban)稅(shui)(shui)機具(ju)才能升級為(wei)(wei)一(yi)(yi)般納稅(shui)(shui)人企(qi)業(ye)。3、經過歷年(nian)(nian)年(nian)(nian)審的(de)(de)(de)組織機構(gou)(gou)代碼證(zheng)(zheng)(zheng):組織機構(gou)(gou)代碼證(zheng)(zheng)(zheng)是中華人民共和國(guo)境內始終(zhong)不(bu)變的(de)(de)(de)法定代碼標識,未(wei)(wei)經年(nian)(nian)度審驗的(de)(de)(de),可視(shi)為(wei)(wei)非法機構(gou)(gou)。4、國(guo)家強制(zhi)(zhi)性(xing)產(chan)(chan)品認(ren)(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:一(yi)(yi)般情況下(xia),所(suo)有的(de)(de)(de)電(dian)(dian)線(xian)電(dian)(dian)纜生產(chan)(chan)企(qi)業(ye)只要生產(chan)(chan)國(guo)家強制(zhi)(zhi)性(xing)產(chan)(chan)品認(ren)(ren)證(zheng)(zheng)(zheng)范圍內產(chan)(chan)品的(de)(de)(de)必(bi)須通(tong)過國(guo)家強制(zhi)(zhi)性(xing)產(chan)(chan)品認(ren)(ren)證(zheng)(zheng)(zheng)(CCC)。依基(ji)本(ben)常識判(pan)斷,既(ji)然(ran)單(dan)位名稱為(wei)(wei)“xxx電(dian)(dian)線(xian)廠”“xxx線(xian)纜廠”,其產(chan)(chan)品未(wei)(wei)通(tong)過或從未(wei)(wei)通(tong)過國(guo)家強制(zhi)(zhi)性(xing)產(chan)(chan)品認(ren)(ren)證(zheng)(zheng)(zheng),證(zheng)(zheng)(zheng)明其硬件(jian)、軟件(jian)設施及人員配備(bei)根本(ben)達(da)不(bu)到一(yi)(yi)個(ge)(ge)合格的(de)(de)(de)電(dian)(dian)線(xian)電(dian)(dian)纜生產(chan)(chan)廠家應具(ju)備(bei)的(de)(de)(de)條件(jian)。5、國(guo)際質(zhi)(zhi)量體系認(ren)(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:ISO國(guo)際質(zhi)(zhi)量體系認(ren)(ren)證(zheng)(zheng)(zheng)是一(yi)(yi)個(ge)(ge)企(qi)業(ye)整(zheng)體素質(zhi)(zhi)、產(chan)(chan)品質(zhi)(zhi)量管(guan)理水(shui)平(ping)以及服務水(shui)平(ping)的(de)(de)(de)標志。6、開戶許可證(zheng)(zheng)(zheng)。