各種爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)、爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)器材銷毀以及爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)器材意外(wai)爆(bao)(bao)(bao)(bao)(bao)(bao)炸時(shi)(shi),爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)源與人員和(he)其他保護對象(xiang)(xiang)之(zhi)間的(de)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li)稱(cheng)為(wei)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li)。爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li)應(ying)取(qu)各種爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)效應(ying)(地(di)(di)(di)震、沖擊(ji)波(bo)、飛石、有毒氣體(ti)等)分別(bie)(bie)核定的(de)大值(zhi)。爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)時(shi)(shi),必然產(chan)生(sheng)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)(di)(di)震、空氣沖擊(ji)波(bo)、碎石飛散及有害氣體(ti),因此,爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)設計時(shi)(shi)必須確(que)定爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)危害范圍(wei),并確(que)定爆(bao)(bao)(bao)(bao)(bao)(bao)點(dian)到(dao)附近人員、設備(bei)、建筑物(wu)及井巷等的(de)安(an)(an)全(quan)(quan)(quan),這一(yi)段距離(li)(li)(li)就(jiu)稱(cheng)為(wei)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li)。如(ru)何控制好(hao)這段距離(li)(li)(li)就(jiu)顯(xian)的(de)尤為(wei)重要。為(wei)保證爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan),爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)(di)(di)點(dian)與人員或其他應(ying)保護對象(xiang)(xiang)之(zhi)間必須保持短(duan)的(de)相隔長度。爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)有害效應(ying)隨距離(li)(li)(li)的(de)增(zeng)加有規律地(di)(di)(di)衰減,用距離(li)(li)(li)作為(wei)安(an)(an)全(quan)(quan)(quan)尺度可限定爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)有害效應(ying)在(zai)允許(xu)限度之(zhi)內(nei)。中(zhong)國《爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)規程》規定了爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)地(di)(di)(di)震安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li),個(ge)別(bie)(bie)飛散物(wu)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li),以及爆(bao)(bao)(bao)(bao)(bao)(bao)炸沖擊(ji)波(bo)的(de)安(an)(an)全(quan)(quan)(quan)距離(li)(li)(li)。
施工(gong)因其(qi)(qi)復雜(za)性(xing)、專(zhuan)(zhuan)業(ye)性(xing)、危險性(xing),稍有(you)不(bu)(bu)慎,將對人(ren)民的(de)(de)(de)(de)(de)生命財產(chan)安全造成(cheng)不(bu)(bu)可(ke)估(gu)量(liang)(liang)的(de)(de)(de)(de)(de)損失(shi),例如廣東宏(hong)大寧夏“10.16”、山東保利“5.20”等重大安全事故。因此(ci),相(xiang)(xiang)較(jiao)其(qi)(qi)他行業(ye),國(guo)家出臺的(de)(de)(de)(de)(de)相(xiang)(xiang)關(guan)法(fa)律法(fa)規(gui)多、專(zhuan)(zhuan)、嚴,從(cong)爆(bao)破材料(炸藥、雷管、導爆(bao)索(suo)?管?及(ji)相(xiang)(xiang)關(guan)材料)的(de)(de)(de)(de)(de)生產(chan)、購(gou)進、運(yun)輸、儲(chu)存、發放、布網、連接、起爆(bao)、排爆(bao)等一(yi)系(xi)列程序均(jun)有(you)嚴格的(de)(de)(de)(de)(de)法(fa)律規(gui)定和科學(xue)的(de)(de)(de)(de)(de)操作(zuo)規(gui)程,并且(qie)相(xiang)(xiang)關(guan)從(cong)業(ye)單位和人(ren)員(yuan)均(jun)應(ying)取(qu)得相(xiang)(xiang)應(ying)資質。做為(wei)各類爆(bao)破中不(bu)(bu)可(ke)或(huo)缺的(de)(de)(de)(de)(de)一(yi)種導線(xian),特別(bie)不(bu)(bu)同于一(yi)般的(de)(de)(de)(de)(de)電線(xian)電纜(lan),其(qi)(qi)質量(liang)(liang)要(yao)求及(ji)各項技術(shu)參(can)數(shu)也與普通電線(xian)電纜(lan)不(bu)(bu)同。部分家庭(ting)作(zuo)坊式(shi)的(de)(de)(de)(de)(de)電線(xian)電纜(lan)廠無科學(xue)的(de)(de)(de)(de)(de)生產(chan)工(gong)藝、無基本的(de)(de)(de)(de)(de)檢測設(she)備、無專(zhuan)(zhuan)業(ye)的(de)(de)(de)(de)(de)技術(shu)人(ren)員(yuan),甚至不(bu)(bu)知道爆(bao)破線(xian)的(de)(de)(de)(de)(de)質量(liang)(liang)要(yao)求和技術(shu)參(can)數(shu),更不(bu)(bu)可(ke)能制訂自己的(de)(de)(de)(de)(de)企(qi)業(ye)標準,僅憑簡陋的(de)(de)(de)(de)(de)設(she)備、以粗糙(cao)的(de)(de)(de)(de)(de)模仿進行生產(chan)經營活(huo)動(dong),致使(shi)市(shi)場充斥著假冒(mao)偽劣產(chan)品(pin),導致爆(bao)破中提前或(huo)延(yan)遲起爆(bao)、盲炮增加且(qie)強制排爆(bao)困難,給人(ren)身安全和財產(chan)以及(ji)正常(chang)的(de)(de)(de)(de)(de)生產(chan)經營活(huo)動(dong)造成(cheng)了不(bu)(bu)可(ke)估(gu)量(liang)(liang)的(de)(de)(de)(de)(de)損失(shi)。
我國20世紀60年代利(li)用(yong)斷裂力學對(dui)巖(yan)石(shi)損傷引起的裂紋擴展(zhan)進行(xing)過試(shi)驗研(yan)究,為聚(ju)(ju)(ju)能(neng)爆(bao)破技(ji)術(shu)應(ying)用(yong)到工(gong)(gong)程(cheng)做(zuo)了不(bu)少理論分析,也取(qu)得一些(xie)進展(zhan)。80年代中(zhong)期開始(shi)進行(xing)應(ying)用(yong)研(yan)究,以北京礦業(ye)學院為代表,著重(zhong)研(yan)究了聚(ju)(ju)(ju)能(neng)藥(yao)包(bao)切割(ge)(ge)饑(ji)理和(he)應(ying)用(yong)。1987年淮南礦業(ye)學院取(qu)得“雙面切割(ge)(ge)器”的zhuanli,1995年又(you)取(qu)得“大理石(shi)花(hua)崗巖(yan)切割(ge)(ge)技(ji)術(shu)應(ying)用(yong)”zhuanli。1991年中(zhong)國水電(dian)七局曾試(shi)圖采(cai)用(yong)硬質(zhi)紙加(jia)工(gong)(gong)聚(ju)(ju)(ju)能(neng)藥(yao)管(guan)成(cheng)形聚(ju)(ju)(ju)能(neng)藥(yao)卷做(zuo)過聚(ju)(ju)(ju)能(neng)預裂爆(bao)破試(shi)驗研(yan)究,但(dan)終因(yin)當(dang)時的技(ji)術(shu)及(ji)工(gong)(gong)藝水平的限制無法用(yong)于正常施工(gong)(gong),但(dan)是他們開了橢圓雙極線性聚(ju)(ju)(ju)能(neng)結(jie)構試(shi)驗的先(xian)河(he)。雙聚(ju)(ju)(ju)能(neng)預裂與光面爆(bao)破綜合技(ji)術(shu)開創輪廓控(kong)制爆(bao)破新時代。
在工程爆破中,礦用型雙向聚能管價格常用的起爆方法有: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,揚州礦用型雙向聚能管基本(ben)連接(jie)方式有(you):串聯(lian)(lian)、并聯(lian)(lian)、串并聯(lian)(lian)和(he)并串聯(lian)(lian)等(deng)。電(dian)(dian)(dian)(dian)力起(qi)爆(bao)(bao)法(fa)具(ju)有(you)較安全、可靠、準確、高效等(deng)優點,在國(guo)內外仍占有(you)較大(da)比(bi)重。在大(da)、中(zhong)(zhong)型爆(bao)(bao)破中(zhong)(zhong),主要仍是(shi)用(yong)電(dian)(dian)(dian)(dian)力起(qi)爆(bao)(bao)。特(te)別是(shi)在有(you)瓦斯、礦塵爆(bao)(bao)炸的(de)環(huan)境(jing)中(zhong)(zhong),電(dian)(dian)(dian)(dian)力起(qi)爆(bao)(bao)是(shi)主要的(de)起(qi)爆(bao)(bao)方法(fa)。但電(dian)(dian)(dian)(dian)力起(qi)爆(bao)(bao)容易受各種(zhong)電(dian)(dian)(dian)(dian)信號的(de)干(gan)擾而發生(sheng)早爆(bao)(bao),因此(ci)在有(you)雜散電(dian)(dian)(dian)(dian)、靜電(dian)(dian)(dian)(dian)、雷電(dian)(dian)(dian)(dian)、射頻電(dian)(dian)(dian)(dian)、高壓感應電(dian)(dian)(dian)(dian)的(de)環(huan)境(jing)中(zhong)(zhong),不能使用(yong)普通(tong)電(dian)(dian)(dian)(dian)雷管。
的軍事應用:聚能爆(bao)(bao)破(po)技(ji)(ji)術(shu)(shu),早在二次世(shi)界(jie)大戰(zhan)(zhan)期間就在軍事方面(mian)廣泛應用。國內在聚能破(po)甲(jia)技(ji)(ji)術(shu)(shu)如大錐角(jiao)(jiao)反艦導彈戰(zhan)(zhan)斗(dou)部(bu)和(he)大錐角(jiao)(jiao)反坦克地(di)雷以及敏感彈戰(zhan)(zhan)斗(dou)部(bu)等方面(mian)取得了(le)較為快速的發展(zhan),我(wo)國20世(shi)紀60年代打破(po)國外技(ji)(ji)術(shu)(shu)封鎖(suo)獨立自主研發成功原子(zi)彈就是得力(li)于聚能爆(bao)(bao)破(po)技(ji)(ji)術(shu)(shu)轟擊核裝(zhuang)置而(er)引爆(bao)(bao)原子(zi)彈。的民(min)爆(bao)(bao)應用——切(qie)(qie)槽爆(bao)(bao)破(po)技(ji)(ji)術(shu)(shu):聚能爆(bao)(bao)破(po)用于工程建設也是20世(shi)紀60年代開(kai)始的,首(shou)先是瑞典的U﹒Langefors提出(chu)孔壁切(qie)(qie)槽爆(bao)(bao)破(po)利用槽口應力(li)集中定向開(kai)裂的設想,后經W﹒L﹒Fourney驗證是有(you)效的。70年代國外廣泛研究(jiu)和(he)應用了(le)切(qie)(qie)槽爆(bao)(bao)破(po)技(ji)(ji)術(shu)(shu)。
水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)技術基礎上發展起來的(de)一項新技術,其(qi)掏(tao)槽(cao)眼(yan)、輔助(zhu)眼(yan)裝藥結構和(he)爆(bao)(bao)破(po)(po)(po)方(fang)式(shi)與水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)相同,但在周(zhou)邊(bian)(bian)眼(yan)中(zhong)安(an)裝專用(yong)線(xian)(xian)性聚能(neng)藥管替代(dai)常規爆(bao)(bao)破(po)(po)(po)藥卷和(he)傳爆(bao)(bao)線(xian)(xian),利(li)用(yong)線(xian)(xian)性聚能(neng)藥管產生的(de)粒子射(she)流動能(neng)、高(gao)壓爆(bao)(bao)破(po)(po)(po)氣體應力(li)及(ji)“氣楔”作用(yong),形(xing)成平整圓順的(de)開挖輪廓(kuo)面(mian)(mian),對控制(zhi)超欠(qian)挖具有良好(hao)效(xiao)果,有效(xiao)提升了隧道(dao)施工質量(liang)、進度(du)和(he)經濟效(xiao)益。水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)較水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po),在周(zhou)邊(bian)(bian)眼(yan)單(dan)循環(huan)火工品使用(yong)量(liang)上節(jie)約(yue)費用(yong)8.3%,周(zhou)邊(bian)(bian)眼(yan)鉆孔數量(liang)從39個下降為23個費用(yong)節(jie)約(yue)41%,混凝土噴射(she)每延米(mi)節(jie)約(yue)1.37立方(fang)米(mi)。聚能(neng)水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)比水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)每循環(huan)節(jie)約(yue)費用(yong)258.4元,即每延米(mi)節(jie)約(yue)76較元,節(jie)約(yue)費用(yong)比例達32%。此外(wai),聚能(neng)水(shui)(shui)(shui)壓光(guang)面(mian)(mian)爆(bao)(bao)破(po)(po)(po)能(neng)有效(xiao)降低隧道(dao)內(nei)石渣塊(kuai)度(du)和(he)粉塵(chen)含(han)量(liang),還可(ke)使通風時間(jian)有效(xiao)縮短33%。