在(zai)工程(cheng)(cheng)爆(bao)(bao)(bao)破(po)中(zhong),常用的(de)起(qi)(qi)爆(bao)(bao)(bao)方法(fa)有:電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)法(fa)、導(dao)火索起(qi)(qi)爆(bao)(bao)(bao)法(fa)、導(dao)爆(bao)(bao)(bao)索起(qi)(qi)爆(bao)(bao)(bao)法(fa)、導(dao)爆(bao)(bao)(bao)管(guan)起(qi)(qi)爆(bao)(bao)(bao)法(fa)。電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)法(fa)是(shi)利用電(dian)(dian)(dian)能(neng)使雷管(guan)爆(bao)(bao)(bao)炸,進(jin)而(er)起(qi)(qi)爆(bao)(bao)(bao)炸藥的(de)起(qi)(qi)爆(bao)(bao)(bao)芳(fang)法(fa)。它所需的(de)器材有:電(dian)(dian)(dian)雷管(guan)、導(dao)線和起(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)(dian)源。電(dian)(dian)(dian)爆(bao)(bao)(bao)網路的(de)連接形式(shi),要(yao)根據爆(bao)(bao)(bao)破(po)方法(fa)、爆(bao)(bao)(bao)破(po)規模、工程(cheng)(cheng)的(de)重(zhong)要(yao)性、所選起(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)(dian)源及其(qi)起(qi)(qi)爆(bao)(bao)(bao)能(neng)力(li)(li)等(deng)(deng)進(jin)行選擇,基本連接方式(shi)有:串聯(lian)(lian)(lian)、并(bing)聯(lian)(lian)(lian)、串并(bing)聯(lian)(lian)(lian)和并(bing)串聯(lian)(lian)(lian)等(deng)(deng)。電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)法(fa)具有較安(an)全、可(ke)靠(kao)、準確、高效等(deng)(deng)優(you)點,在(zai)國(guo)內外(wai)仍(reng)占有較大比(bi)重(zhong)。在(zai)大、中(zhong)型(xing)爆(bao)(bao)(bao)破(po)中(zhong),主要(yao)仍(reng)是(shi)用電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)。特別是(shi)在(zai)有瓦斯、礦塵爆(bao)(bao)(bao)炸的(de)環境中(zhong),電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)是(shi)主要(yao)的(de)起(qi)(qi)爆(bao)(bao)(bao)方法(fa)。但電(dian)(dian)(dian)力(li)(li)起(qi)(qi)爆(bao)(bao)(bao)容易受(shou)各種電(dian)(dian)(dian)信(xin)號(hao)的(de)干擾而(er)發生早爆(bao)(bao)(bao),因此在(zai)有雜(za)散(san)電(dian)(dian)(dian)、靜電(dian)(dian)(dian)、雷電(dian)(dian)(dian)、射頻電(dian)(dian)(dian)、高壓感應電(dian)(dian)(dian)的(de)環境中(zhong),不能(neng)使用普通電(dian)(dian)(dian)雷管(guan)。
施(shi)工(gong)因(yin)其(qi)復雜性(xing)、專業(ye)性(xing)、危險性(xing),稍有不(bu)(bu)(bu)慎,將對人民(min)的(de)(de)生(sheng)(sheng)命財產(chan)安全(quan)(quan)造(zao)成不(bu)(bu)(bu)可(ke)(ke)估量的(de)(de)損(sun)失,例(li)如廣東(dong)宏大寧夏“10.16”、山東(dong)保利“5.20”等(deng)重大安全(quan)(quan)事(shi)故。因(yin)此,相較其(qi)他行業(ye),國家出臺的(de)(de)相關法(fa)律(lv)法(fa)規多(duo)、專、嚴,從(cong)(cong)爆(bao)(bao)破(po)(po)材料(liao)(炸(zha)藥(yao)、雷管、導爆(bao)(bao)索(suo)?管?及(ji)相關材料(liao))的(de)(de)生(sheng)(sheng)產(chan)、購進(jin)、運輸、儲存、發放、布網、連接、起爆(bao)(bao)、排(pai)爆(bao)(bao)等(deng)一系列(lie)程序均有嚴格的(de)(de)法(fa)律(lv)規定和(he)科學的(de)(de)操作規程,并且相關從(cong)(cong)業(ye)單位和(he)人員均應(ying)取得相應(ying)資質。做(zuo)為各(ge)(ge)類爆(bao)(bao)破(po)(po)中不(bu)(bu)(bu)可(ke)(ke)或(huo)(huo)缺的(de)(de)一種(zhong)導線,特(te)別不(bu)(bu)(bu)同(tong)于一般的(de)(de)電(dian)(dian)線電(dian)(dian)纜(lan),其(qi)質量要求及(ji)各(ge)(ge)項技術(shu)參數也與普通(tong)電(dian)(dian)線電(dian)(dian)纜(lan)不(bu)(bu)(bu)同(tong)。部分家庭作坊(fang)式的(de)(de)電(dian)(dian)線電(dian)(dian)纜(lan)廠無科學的(de)(de)生(sheng)(sheng)產(chan)工(gong)藝、無基本的(de)(de)檢測(ce)設(she)備、無專業(ye)的(de)(de)技術(shu)人員,甚至不(bu)(bu)(bu)知道爆(bao)(bao)破(po)(po)線的(de)(de)質量要求和(he)技術(shu)參數,更不(bu)(bu)(bu)可(ke)(ke)能(neng)制(zhi)(zhi)訂(ding)自己的(de)(de)企業(ye)標準,僅(jin)憑簡陋的(de)(de)設(she)備、以粗糙的(de)(de)模仿進(jin)行生(sheng)(sheng)產(chan)經營活動(dong),致使市(shi)場充斥(chi)著假冒偽(wei)劣產(chan)品,導致爆(bao)(bao)破(po)(po)中提前或(huo)(huo)延遲起爆(bao)(bao)、盲炮增加且強制(zhi)(zhi)排(pai)爆(bao)(bao)困(kun)難,給人身安全(quan)(quan)和(he)財產(chan)以及(ji)正常的(de)(de)生(sheng)(sheng)產(chan)經營活動(dong)造(zao)成了不(bu)(bu)(bu)可(ke)(ke)估量的(de)(de)損(sun)失。
o型聚能管公司對于爆破作業安全技術的研究,是從兩個方面去考慮的,一方面是炸和起爆器材以及對其爆炸所造成的破壞作用進行限制的安全技術,這是主動的。另一個方面是對爆破所產生的危害采取的防護措施,這是被動的一個方面。兩者對阻止爆破帶來的破壞性有同樣的重要性,但在具體的爆破工程中,則常常會有變化不定的現象和后果,因此,必須對每一項工程破壞的具體情況作細致的分析研究,從而采取適當的對策。同時,o型聚能管公司雖然(ran)技(ji)術不斷取(qu)得(de)進步,須(xu)在操作(zuo)過(guo)(guo)程中注(zhu)意每個(ge)工序,按照安(an)全規(gui)(gui)(gui)程認真作(zuo)業。只要嚴格遵守安(an)全規(gui)(gui)(gui)程、正(zheng)確地采取(qu)安(an)全技(ji)術措施和防(fang)護措施,任何(he)(he)規(gui)(gui)(gui)模、任何(he)(he)種類(lei)的(de)(de)(de)爆破是(shi)可以確保(bao)安(an)全的(de)(de)(de)。一些安(an)全規(gui)(gui)(gui)定的(de)(de)(de)條文是(shi)有經(jing)驗教(jiao)訓和理論(lun)根(gen)據的(de)(de)(de),有的(de)(de)(de)甚至(zhi)是(shi)血的(de)(de)(de)教(jiao)訓的(de)(de)(de)總(zong)結,所以一定要克(ke)服麻(ma)痹(bi)思想(xiang),嚴格執行安(an)全規(gui)(gui)(gui)定,決不能(neng)以沒出過(guo)(guo)事故而(er)輕率地"突破"規(gui)(gui)(gui)定的(de)(de)(de)"框(kuang)框(kuang)"。
預裂(lie)(lie)與光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)技術的(de)(de)歷史(shi)與現狀:預裂(lie)(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)是(shi)(shi)(shi)沿設計開(kai)挖(wa)邊界(jie)布置密集炮孔(kong)(kong),采取(qu)不耦合裝(zhuang)藥或(huo)裝(zhuang)填低威力(li)炸藥,在(zai)(zai)(zai)主爆(bao)(bao)(bao)(bao)(bao)(bao)區之前起(qi)爆(bao)(bao)(bao)(bao)(bao)(bao),從而在(zai)(zai)(zai)爆(bao)(bao)(bao)(bao)(bao)(bao)區與保留區之間形成(cheng)(cheng)預裂(lie)(lie)縫,以(yi)減弱主爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)對保留巖(yan)體的(de)(de)破(po)(po)(po)壞(huai)并形成(cheng)(cheng)平整輪(lun)(lun)廓面(mian)(mian)(mian)(mian)的(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)作(zuo)業。光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)是(shi)(shi)(shi)沿設計開(kai)挖(wa)邊界(jie)布設密集炮孔(kong)(kong),采用(yong)不耦合裝(zhuang)藥或(huo)裝(zhuang)填低威力(li)炸藥,在(zai)(zai)(zai)主爆(bao)(bao)(bao)(bao)(bao)(bao)區爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)之后起(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)的(de)(de)以(yi)形成(cheng)(cheng)平整的(de)(de)開(kai)挖(wa)輪(lun)(lun)廓面(mian)(mian)(mian)(mian)的(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)作(zuo)業。爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)技術的(de)(de)發展(zhan)是(shi)(shi)(shi)先(xian)出現光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po),然(ran)后衍生發展(zhan)為(wei)預裂(lie)(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)。聚能管國(guo)內歷史(shi)與現狀,我國(guo)于1964~1965年在(zai)(zai)(zai)湖北陸(lu)水水電站施工(gong)中做(zuo)過淺孔(kong)(kong)預裂(lie)(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)試驗,1965年鐵道部門在(zai)(zai)(zai)成(cheng)(cheng)昆(kun)鐵路建(jian)設中開(kai)始試驗光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po),1977年在(zai)(zai)(zai)西延線張(zhang)家船工(gong)點(dian),全長近200m的(de)(de)2000m2路塹邊坡(po)全部采用(yong)光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po),爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)后邊坡(po)平整穩定,殘留的(de)(de)半孔(kong)(kong)清晰可(ke)見(jian),是(shi)(shi)(shi)鐵路建(jian)設中采用(yong)路塹光面(mian)(mian)(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)。