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公司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公司但(dan)終因當(dang)時的(de)技術及工藝水平的(de)限(xian)制無法用于正常施工,但(dan)是他們開(kai)了橢圓(yuan)雙極線性聚能(neng)(neng)結構試(shi)驗(yan)的(de)先河。雙聚能(neng)(neng)預裂與光面爆(bao)破(po)綜(zong)合(he)技術開(kai)創(chuang)輪廓控制爆(bao)破(po)新時代。
我國于1983年制定(ding)了《水(shui)(shui)工(gong)建(jian)筑物巖行(xing)基礎(chu)開挖(wa)(wa)工(gong)程(cheng)(cheng)施(shi)工(gong)技(ji)術(shu)(shu)規范(fan)》(sD 121l一1983)。自此(ci),在(zai)水(shui)(shui)利水(shui)(shui)電建(jian)設(she)中預(yu)裂(lie)(lie)爆(bao)(bao)破(po)與(yu)光面爆(bao)(bao)破(po)已成為(wei)必須(xu)進(jin)行(xing)的(de)保護邊坡(po)(po)質量(liang)的(de)爆(bao)(bao)破(po)開挖(wa)(wa)技(ji)術(shu)(shu)措施(shi)。此(ci)后(hou)在(zai)此(ci)基礎(chu)上修訂的(de)《水(shui)(shui)工(gong)建(jian)筑物巖石(shi)(shi)基礎(chu)開挖(wa)(wa)工(gong)程(cheng)(cheng)施(shi)工(gong)技(ji)術(shu)(shu)規范(fan)》(SL 47一1994)以及在(zai)《水(shui)(shui)電水(shui)(shui)利爆(bao)(bao)破(po)工(gong)程(cheng)(cheng)施(shi)工(gong)技(ji)術(shu)(shu)規范(fan)》(DL/T 5135—2001)和(he)《水(shui)(shui)工(gong)建(jian)筑物巖石(shi)(shi)基礎(chu)開挖(wa)(wa)工(gong)程(cheng)(cheng)施(shi)工(gong)技(ji)術(shu)(shu)規范(fan)》(DL/T 5389~2007)中預(yu)裂(lie)(lie)爆(bao)(bao)破(po)與(yu)光面爆(bao)(bao)破(po)均被(bei)編(bian)入并有所(suo)改進(jin),DL/T 5135—2001正在(zai)修編(bian)為(wei)DL/T 5135—2012。鐵道部也不僅規定(ding)了凡是Ⅲ級以上的(de)巖石(shi)(shi)邊坡(po)(po),設(she)計(ji)邊坡(po)(po)坡(po)(po)度為(wei)1:0.1~1:0.75,在(zai)邊坡(po)(po)部位的(de)爆(bao)(bao)破(po)設(she)計(ji)和(he)施(shi)工(gong)都應(ying)采(cai)用光面爆(bao)(bao)破(po)或預(yu)裂(lie)(lie)爆(bao)(bao)破(po),并闡述了光面(預(yu)裂(lie)(lie))爆(bao)(bao)破(po)施(shi)工(gong)技(ji)術(shu)(shu)設(she)計(ji)的(de)原(yuan)則和(he)參數、安全措施(shi),而且還(huan)明確了路塹(qian)邊坡(po)(po)光面(預(yu)裂(lie)(lie))爆(bao)(bao)破(po)項目質量(liang)驗(yan)收檢測數量(liang)和(he)檢測方(fang)法。無疑(yi)該規程(cheng)(cheng)的(de)實施(shi),有力地(di)推(tui)動和(he)促進(jin)了光面(預(yu)裂(lie)(lie))爆(bao)(bao)破(po)技(ji)術(shu)(shu)在(zai)鐵路建(jian)設(she)中的(de)應(ying)用與(yu)發展。
在(zai)(zai)工程爆(bao)(bao)(bao)(bao)破中(zhong),常用(yong)的起爆(bao)(bao)(bao)(bao)方(fang)法(fa)(fa)有:電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)法(fa)(fa)、導火(huo)索起爆(bao)(bao)(bao)(bao)法(fa)(fa)、導爆(bao)(bao)(bao)(bao)索起爆(bao)(bao)(bao)(bao)法(fa)(fa)、導爆(bao)(bao)(bao)(bao)管(guan)起爆(bao)(bao)(bao)(bao)法(fa)(fa)。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)法(fa)(fa)是(shi)利(li)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)能使(shi)雷(lei)管(guan)爆(bao)(bao)(bao)(bao)炸,進而起爆(bao)(bao)(bao)(bao)炸藥的起爆(bao)(bao)(bao)(bao)芳法(fa)(fa)。它所需的器材有:電(dian)(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)、導線和(he)起爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)源。電(dian)(dian)(dian)(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)網(wang)路的連接形(xing)式,要根(gen)據爆(bao)(bao)(bao)(bao)破方(fang)法(fa)(fa)、爆(bao)(bao)(bao)(bao)破規模、工程的重要性(xing)、所選(xuan)起爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)源及其(qi)起爆(bao)(bao)(bao)(bao)能力(li)等(deng)進行(xing)選(xuan)擇,基本連接方(fang)式有:串(chuan)聯(lian)(lian)、并(bing)聯(lian)(lian)、串(chuan)并(bing)聯(lian)(lian)和(he)并(bing)串(chuan)聯(lian)(lian)等(deng)。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)法(fa)(fa)具有較(jiao)安全、可靠、準確、高效等(deng)優點,在(zai)(zai)國內外(wai)仍占有較(jiao)大比重。在(zai)(zai)大、中(zhong)型爆(bao)(bao)(bao)(bao)破中(zhong),主要仍是(shi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)。特別是(shi)在(zai)(zai)有瓦斯、礦塵爆(bao)(bao)(bao)(bao)炸的環(huan)境中(zhong),電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)是(shi)主要的起爆(bao)(bao)(bao)(bao)方(fang)法(fa)(fa)。但電(dian)(dian)(dian)(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)容(rong)易受(shou)各(ge)種電(dian)(dian)(dian)(dian)(dian)(dian)信號的干擾而發生早爆(bao)(bao)(bao)(bao),因此在(zai)(zai)有雜(za)散電(dian)(dian)(dian)(dian)(dian)(dian)、靜電(dian)(dian)(dian)(dian)(dian)(dian)、雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)、射頻電(dian)(dian)(dian)(dian)(dian)(dian)、高壓感應電(dian)(dian)(dian)(dian)(dian)(dian)的環(huan)境中(zhong),不能使(shi)用(yong)普(pu)通電(dian)(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)。
施工因其(qi)復雜(za)性(xing)(xing)、專(zhuan)業(ye)(ye)性(xing)(xing)、危險性(xing)(xing),稍有不(bu)慎(shen),將對(dui)人(ren)(ren)民的(de)生(sheng)命財產安(an)全造(zao)成不(bu)可估量(liang)的(de)損(sun)失,例如(ru)廣東宏大寧夏“10.16”、山東保利“5.20”等(deng)重大安(an)全事故。因此,相較其(qi)他行業(ye)(ye),國家出臺的(de)相關法律法規多、專(zhuan)、嚴,從爆(bao)(bao)破(po)(po)材料(炸藥、雷(lei)管、導(dao)爆(bao)(bao)索?管?及相關材料)的(de)生(sheng)產、購進、運(yun)輸、儲(chu)存、發(fa)放、布網、連接、起爆(bao)(bao)、排(pai)爆(bao)(bao)等(deng)一系列程(cheng)序均(jun)有嚴格的(de)法律規定和(he)(he)科學(xue)的(de)操(cao)作規程(cheng),并且相關從業(ye)(ye)單位和(he)(he)人(ren)(ren)員(yuan)均(jun)應(ying)取得相應(ying)資質(zhi)。做(zuo)為各類爆(bao)(bao)破(po)(po)中(zhong)不(bu)可或(huo)缺的(de)一種(zhong)導(dao)線,特別不(bu)同于一般的(de)電線電纜,其(qi)質(zhi)量(liang)要(yao)求及各項技術參數也與普通電線電纜不(bu)同。部(bu)分(fen)家庭作坊式的(de)電線電纜廠無(wu)科學(xue)的(de)生(sheng)產工藝、無(wu)基(ji)本的(de)檢測(ce)設備(bei)、無(wu)專(zhuan)業(ye)(ye)的(de)技術人(ren)(ren)員(yuan),甚(shen)至不(bu)知(zhi)道爆(bao)(bao)破(po)(po)線的(de)質(zhi)量(liang)要(yao)求和(he)(he)技術參數,更不(bu)可能制訂自己的(de)企業(ye)(ye)標準(zhun),僅憑簡(jian)陋的(de)設備(bei)、以(yi)粗(cu)糙的(de)模仿進行生(sheng)產經營活動(dong)(dong),致使市場充斥著假冒偽劣產品,導(dao)致爆(bao)(bao)破(po)(po)中(zhong)提前或(huo)延(yan)遲起爆(bao)(bao)、盲炮增加且強制排(pai)爆(bao)(bao)困難,給人(ren)(ren)身安(an)全和(he)(he)財產以(yi)及正常的(de)生(sheng)產經營活動(dong)(dong)造(zao)成了不(bu)可估量(liang)的(de)損(sun)失。
一(yi)(yi)(yi)、查(cha)驗生(sheng)產(chan)(chan)(chan)企(qi)(qi)業(ye)(ye)資(zi)(zi)質(zhi):1、經(jing)(jing)過(guo)(guo)(guo)歷(li)年年審(shen)(shen)的(de)法人(ren)(ren)營業(ye)(ye)執照:一(yi)(yi)(yi)般情(qing)況(kuang)下(xia),個(ge)體(ti)工商戶、個(ge)人(ren)(ren)獨資(zi)(zi)企(qi)(qi)業(ye)(ye)注冊資(zi)(zi)金低于人(ren)(ren)民幣五十萬(wan)元(yuan)的(de)即(ji)可認(ren)(ren)(ren)定為(wei)家(jia)庭作(zuo)坊式(shi)廠(chang)(chang)(chang)(chang)家(jia)。2、具(ju)(ju)備(bei)一(yi)(yi)(yi)般納稅人(ren)(ren)資(zi)(zi)格的(de)稅務(wu)(wu)登記證(zheng)(zheng)(zheng):企(qi)(qi)業(ye)(ye)產(chan)(chan)(chan)品(pin)(pin)年度(du)銷售額達到或超過(guo)(guo)(guo)一(yi)(yi)(yi)定金額(以稅務(wu)(wu)發票開具(ju)(ju)數額為(wei)準)并經(jing)(jing)主管稅務(wu)(wu)機(ji)關核準、具(ju)(ju)備(bei)獨立的(de)開票場所(suo)、專職會計(ji)及相(xiang)應的(de)辦稅機(ji)具(ju)(ju)才(cai)能升級為(wei)一(yi)(yi)(yi)般納稅人(ren)(ren)企(qi)(qi)業(ye)(ye)。3、經(jing)(jing)過(guo)(guo)(guo)歷(li)年年審(shen)(shen)的(de)組織(zhi)機(ji)構代(dai)碼(ma)證(zheng)(zheng)(zheng):組織(zhi)機(ji)構代(dai)碼(ma)證(zheng)(zheng)(zheng)是中華人(ren)(ren)民共和國(guo)(guo)境內始終不變的(de)法定代(dai)碼(ma)標(biao)識,未經(jing)(jing)年度(du)審(shen)(shen)驗的(de),可視為(wei)非(fei)法機(ji)構。4、國(guo)(guo)家(jia)強(qiang)制(zhi)性(xing)(xing)(xing)產(chan)(chan)(chan)品(pin)(pin)認(ren)(ren)(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:一(yi)(yi)(yi)般情(qing)況(kuang)下(xia),所(suo)有的(de)電(dian)線(xian)電(dian)纜(lan)生(sheng)產(chan)(chan)(chan)企(qi)(qi)業(ye)(ye)只要(yao)生(sheng)產(chan)(chan)(chan)國(guo)(guo)家(jia)強(qiang)制(zhi)性(xing)(xing)(xing)產(chan)(chan)(chan)品(pin)(pin)認(ren)(ren)(ren)證(zheng)(zheng)(zheng)范圍內產(chan)(chan)(chan)品(pin)(pin)的(de)必須通過(guo)(guo)(guo)國(guo)(guo)家(jia)強(qiang)制(zhi)性(xing)(xing)(xing)產(chan)(chan)(chan)品(pin)(pin)認(ren)(ren)(ren)證(zheng)(zheng)(zheng)(CCC)。依(yi)基本常識判(pan)斷,既然單位名(ming)稱為(wei)“xxx電(dian)線(xian)廠(chang)(chang)(chang)(chang)”“xxx線(xian)纜(lan)廠(chang)(chang)(chang)(chang)”,其(qi)產(chan)(chan)(chan)品(pin)(pin)未通過(guo)(guo)(guo)或從(cong)未通過(guo)(guo)(guo)國(guo)(guo)家(jia)強(qiang)制(zhi)性(xing)(xing)(xing)產(chan)(chan)(chan)品(pin)(pin)認(ren)(ren)(ren)證(zheng)(zheng)(zheng),證(zheng)(zheng)(zheng)明其(qi)硬件(jian)、軟(ruan)件(jian)設施及人(ren)(ren)員配備(bei)根本達不到一(yi)(yi)(yi)個(ge)合(he)格的(de)電(dian)線(xian)電(dian)纜(lan)生(sheng)產(chan)(chan)(chan)廠(chang)(chang)(chang)(chang)家(jia)應具(ju)(ju)備(bei)的(de)條件(jian)。5、國(guo)(guo)際質(zhi)量(liang)體(ti)系(xi)認(ren)(ren)(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:ISO國(guo)(guo)際質(zhi)量(liang)體(ti)系(xi)認(ren)(ren)(ren)證(zheng)(zheng)(zheng)是一(yi)(yi)(yi)個(ge)企(qi)(qi)業(ye)(ye)整體(ti)素(su)質(zhi)、產(chan)(chan)(chan)品(pin)(pin)質(zhi)量(liang)管理水平以及服務(wu)(wu)水平的(de)標(biao)志。6、開戶許可證(zheng)(zheng)(zheng)。
專(zhuan)注爆(bao)(bao)(bao)破(po)聚能管(guan)(guan)批發(fa)銷售。隨著中(zhong)國(guo)(guo)現代化建設的(de)(de)(de)發(fa)展,爆(bao)(bao)(bao)破(po)作業環(huan)境(jing)(jing)越(yue)來(lai)越(yue)復(fu)雜,對爆(bao)(bao)(bao)破(po)安(an)全(quan)(quan)的(de)(de)(de)要(yao)(yao)求(qiu)可(ke)能也會(hui)(hui)越(yue)來(lai)越(yue)高。盡管(guan)(guan)我們工(gong)程(cheng)(cheng)爆(bao)(bao)(bao)破(po)技(ji)術已(yi)達到很高水平,爆(bao)(bao)(bao)破(po)作業是一項(xiang)危險性的(de)(de)(de)工(gong)作,大家知道,一次爆(bao)(bao)(bao)破(po)事故,可(ke)能會(hui)(hui)造成(cheng)人民生命和財產的(de)(de)(de)損(sun)失,也可(ke)能導致環(huan)境(jing)(jing)受(shou)到破(po)壞(huai)。為了(le)安(an)全(quan)(quan),在工(gong)程(cheng)(cheng)實踐(jian)中(zhong),往往有許多要(yao)(yao)求(qiu)和標準需要(yao)(yao)我們努力去解決(jue),比如(ru)嚴格控制(zhi)爆(bao)(bao)(bao)破(po)的(de)(de)(de)振動(dong)(dong)效(xiao)應、爆(bao)(bao)(bao)破(po)沖擊(ji)波、噪(zao)聲、粉塵等(deng)影響,要(yao)(yao)預防電干擾等(deng)對爆(bao)(bao)(bao)破(po)作業的(de)(de)(de)威脅(xie),還要(yao)(yao)關(guan)注水土保持、環(huan)境(jing)(jing)保護等(deng)問(wen)題。爆(bao)(bao)(bao)破(po)作業的(de)(de)(de)安(an)全(quan)(quan)問(wen)題一直是各方面所重視的(de)(de)(de)問(wen)題,已(yi)形成(cheng)了(le)一種專(zhuan)業化的(de)(de)(de)規范、制(zhi)度和技(ji)術。如(ru)中(zhong)國(guo)(guo)自(zi)1992年頒布《拆除(chu)爆(bao)(bao)(bao)破(po)安(an)全(quan)(quan)規程(cheng)(cheng)》,通(tong)過拆除(chu)爆(bao)(bao)(bao)破(po)分級管(guan)(guan)理、承擔(dan)單位及人員資格審查(cha)(cha)、爆(bao)(bao)(bao)破(po)技(ji)術人員培訓與(yu)考核、爆(bao)(bao)(bao)破(po)設計(ji)審查(cha)(cha)與(yu)安(an)全(quan)(quan)評(ping)估等(deng)規定,有力地推動(dong)(dong)了(le)爆(bao)(bao)(bao)破(po)工(gong)程(cheng)(cheng)的(de)(de)(de)安(an)全(quan)(quan)管(guan)(guan)理,取(qu)得了(le)顯著的(de)(de)(de)成(cheng)效(xiao)。