水壓(ya)光(guang)(guang)(guang)面(mian)爆(bao)破技術(shu),是在水壓(ya)光(guang)(guang)(guang)面(mian)爆(bao)破技術(shu)基(ji)礎上發展起來的一(yi)項(xiang)新技術(shu),其掏槽眼、輔助(zhu)眼裝藥(yao)結構和(he)爆(bao)破方式與(yu)水壓(ya)光(guang)(guang)(guang)面(mian)爆(bao)破相同,但在周邊眼中安裝專用(yong)(yong)聚能(neng)(neng)(neng)管裝置(zhi)替(ti)代常(chang)規爆(bao)破藥(yao)卷和(he)傳爆(bao)線,利(li)(li)用(yong)(yong)聚能(neng)(neng)(neng)管產生的粒子射流動能(neng)(neng)(neng)、高壓(ya)爆(bao)破氣體(ti)應力(li)及“氣楔”作(zuo)用(yong)(yong),形成平整圓順的開(kai)挖(wa)輪廓面(mian),對(dui)(dui)控制超(chao)欠(qian)挖(wa)具(ju)有(you)(you)良好(hao)效(xiao)果,有(you)(you)效(xiao)提升了(le)隧(sui)道施工質量、進度和(he)經濟效(xiao)益(yi)。科學(xue)合理地利(li)(li)用(yong)(yong)能(neng)(neng)(neng)源,提高能(neng)(neng)(neng)源利(li)(li)用(yong)(yong)效(xiao)率,對(dui)(dui)節(jie)能(neng)(neng)(neng)減排也十分重(zhong)要(yao)。利(li)(li)用(yong)(yong)聚能(neng)(neng)(neng)管兩(liang)端的水平開(kai)出的聚能(neng)(neng)(neng)槽產生的聚能(neng)(neng)(neng)射流效(xiao)應對(dui)(dui)巖(yan)石進行破碎。據(ju)專家測(ce)算,由于聚能(neng)(neng)(neng)管兩(liang)端聚能(neng)(neng)(neng)槽產生的聚能(neng)(neng)(neng)切(qie)割(ge)效(xiao)應,其能(neng)(neng)(neng)效(xiao)比提升一(yi)個(ge)量級。
在(zai)(zai)(zai)工程爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong),常(chang)用的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)有(you):電(dian)(dian)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)火索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)。電(dian)(dian)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)是(shi)利用電(dian)(dian)能使(shi)雷管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)(zha),進(jin)(jin)而起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)(zha)藥(yao)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法(fa)(fa)(fa)。它(ta)所需的(de)(de)(de)器材有(you):電(dian)(dian)雷管(guan)、導(dao)(dao)線和(he)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)源。電(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)網(wang)路的(de)(de)(de)連接形式,要(yao)根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破方法(fa)(fa)(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破規模、工程的(de)(de)(de)重要(yao)性、所選起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)源及其起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)能力(li)(li)等(deng)進(jin)(jin)行選擇,基(ji)本連接方式有(you):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)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)具有(you)較安全、可靠、準確、高效等(deng)優點(dian),在(zai)(zai)(zai)國內(nei)外(wai)仍占有(you)較大比重。在(zai)(zai)(zai)大、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong),主(zhu)要(yao)仍是(shi)用電(dian)(dian)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特(te)別是(shi)在(zai)(zai)(zai)有(you)瓦斯、礦塵爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)(zha)的(de)(de)(de)環境中(zhong),電(dian)(dian)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)是(shi)主(zhu)要(yao)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)。但電(dian)(dian)力(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)容(rong)易受各種電(dian)(dian)信號的(de)(de)(de)干擾而發生早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao),因此在(zai)(zai)(zai)有(you)雜(za)散電(dian)(dian)、靜電(dian)(dian)、雷電(dian)(dian)、射頻電(dian)(dian)、高壓感應電(dian)(dian)的(de)(de)(de)環境中(zhong),不能使(shi)用普通電(dian)(dian)雷管(guan)。
光(guang)面(mian)(mian)爆(bao)破技術優(you)(you)勢(shi):相對于(yu)傳統爆(bao)破工藝,聚能管(guan)光(guang)面(mian)(mian)爆(bao)破比常(chang)規爆(bao)破具有(you)以(yi)(yi)下(xia)優(you)(you)勢(shi)∶少(shao)(shao)(shao)(shao)打眼(yan),少(shao)(shao)(shao)(shao)裝藥(yao)。節(jie)(jie)(jie)約(yue)(yue)周(zhou)邊鉆孔量(liang)50%,總鉆孔進尺減(jian)(jian)少(shao)(shao)(shao)(shao)30%;節(jie)(jie)(jie)約(yue)(yue)炸藥(yao)10~20%,雷(lei)管(guan)30%。節(jie)(jie)(jie)約(yue)(yue)噴漿料15-20%。節(jie)(jie)(jie)省(sheng)時(shi)間∶每循環(huan)鉆孔、裝藥(yao)、噴漿時(shi)間1.5-2.0小時(shi)。在安全(quan)方面(mian)(mian)利用水沙袋替代(dai)炮泥,以(yi)(yi)避(bi)免搗炮泥損毀電雷(lei)管(guan)導(dao)線,造成(cheng)瞎炮。大大減(jian)(jian)少(shao)(shao)(shao)(shao)對圍(wei)巖擾動(dong),光(guang)面(mian)(mian)效果好(hao),巖性條件差情況下(xia)可以(yi)(yi)大大減(jian)(jian)少(shao)(shao)(shao)(shao)超挖量(liang),控制(zhi)巷(xiang)道成(cheng)型(xing);巖性完整無節(jie)(jie)(jie)理情況下(xia)眼(yan)痕(hen)率可以(yi)(yi)達到90%以(yi)(yi)上(shang),巷(xiang)道成(cheng)型(xing)好(hao),穩定性強。布(bu)孔方式優(you)(you)化成(cheng)多排(pai)掏槽布(bu)孔,單(dan)次掘進深(shen)度可以(yi)(yi)優(you)(you)化提高10%到15%不(bu)等。由于(yu)炮孔數(shu)量(liang)大大減(jian)(jian)少(shao)(shao)(shao)(shao)可以(yi)(yi)考慮一起(qi)(qi)全(quan)斷面(mian)(mian)起(qi)(qi)爆(bao),節(jie)(jie)(jie)省(sheng)放炮時(shi)間。
三門峽多向聚能管水壓爆破是在炮孔兩端填充水袋,中間裝上乳化炸,炮孔再用炮泥封死,炮孔間距很大,兩個炮空之間相距了一米左右,是常規爆破的炮孔間距的兩倍,這樣可以節省炮孔材料,這兩個凹槽又稱為聚能槽,聚能槽非常重要,放置的位置和方向都十分講究,一點也不能出錯,多向聚能管公司在(zai)爆(bao)(bao)破的瞬(shun)間,高溫高壓聚(ju)能(neng)射流(liu)立即往(wang)凹槽兩邊(bian)(bian)的巖(yan)石進行切(qie)割,巖(yan)石如同豆腐(fu)一樣輕(qing)松被切(qie)割切(qie)割出來的輪廓線十分平順,效(xiao)果(guo)極(ji)好,聚(ju)能(neng)水壓爆(bao)(bao)破中(zhong)(zhong)的水袋沒(mei)有降低(di)爆(bao)(bao)破的效(xiao)果(guo),反而能(neng)保護隧道周邊(bian)(bian)植被,減少地質擾動,降低(di)煙塵,重要的是節(jie)省炸成本(ben),在(zai)未來這項技術會(hui)廣泛(fan)應用(yong)(yong)于工(gong)程(cheng)中(zhong)(zhong),降低(di)施工(gong)成本(ben)。爆(bao)(bao)破聚(ju)能(neng)管水壓光面爆(bao)(bao)破較水壓光面爆(bao)(bao)破,在(zai)周邊(bian)(bian)眼(yan)單(dan)循環火工(gong)品使用(yong)(yong)量(liang)上節(jie)約(yue)費(fei)用(yong)(yong)8.3%,周邊(bian)(bian)眼(yan)鉆孔數量(liang)從(cong)39個(ge)(ge)下(xia)降為23個(ge)(ge)費(fei)用(yong)(yong)節(jie)約(yue)41%,混凝土噴(pen)射每延(yan)米節(jie)約(yue)1.37立方米。
是將炸藥(yao)裝(zhuang)在聚能管內,兩(liang)頭均(jun)放置了(le)水(shui)(shui)袋(dai),聚能管爆炸產(chan)(chan)生的(de)高溫高壓射流(liu),讓(rang)水(shui)(shui)袋(dai)產(chan)(chan)生“水(shui)(shui)楔”效應(ying),使圍巖裂縫加劇延(yan)伸擴展。它是在水(shui)(shui)壓光(guang)面爆破(po)(po)基礎上發展起(qi)來的(de)一(yi)項新技術(shu),區(qu)別只是在周邊(bian)眼中安裝(zhuang)專用線性聚能藥(yao)管替代常規爆破(po)(po)藥(yao)卷和(he)傳爆線,只要做(zuo)到(dao)七(qi)大關鍵環節:水(shui)(shui)袋(dai)挺(ting)拔飽滿、炮泥軟硬適中、水(shui)(shui)袋(dai)裝(zhuang)填到(dao)底、炮泥回填到(dao)口(kou)、木棍逐節搗固(gu)、水(shui)(shui)藥(yao)緊密相(xiang)連、槽面必須平行,就(jiu)能對控制超(chao)欠挖(wa)起(qi)到(dao)良好(hao)效果(guo)。在推(tui)廣水(shui)(shui)壓爆破(po)(po)的(de)基礎上,去年9月,水(shui)(shui)壓聚能爆破(po)(po)的(de)成果(guo)上,今(jin)年更為深入地(di)在興泉鐵路大嶺隧道、牡佳鐵路麻山隧道采(cai)用了(le)此項技術(shu),積(ji)累了(le)成功經(jing)驗(yan)。
的軍(jun)(jun)事(shi)(shi)應(ying)(ying)(ying)用:聚(ju)(ju)能爆破技(ji)(ji)術(shu),早(zao)在(zai)二次世(shi)界大(da)(da)戰(zhan)期間就在(zai)軍(jun)(jun)事(shi)(shi)方面廣(guang)泛應(ying)(ying)(ying)用。國內在(zai)聚(ju)(ju)能破甲(jia)技(ji)(ji)術(shu)如大(da)(da)錐(zhui)角反(fan)艦導彈(dan)戰(zhan)斗部(bu)和大(da)(da)錐(zhui)角反(fan)坦克地(di)雷以及敏感(gan)彈(dan)戰(zhan)斗部(bu)等方面取(qu)得了(le)較為快速(su)的發(fa)展(zhan),我國20世(shi)紀60年(nian)(nian)代(dai)打破國外技(ji)(ji)術(shu)封鎖獨立自主研發(fa)成功原(yuan)子彈(dan)就是得力(li)于聚(ju)(ju)能爆破技(ji)(ji)術(shu)轟(hong)擊核(he)裝(zhuang)置(zhi)而引爆原(yuan)子彈(dan)。的民爆應(ying)(ying)(ying)用——切槽(cao)(cao)爆破技(ji)(ji)術(shu):聚(ju)(ju)能爆破用于工程(cheng)建設(she)也是20世(shi)紀60年(nian)(nian)代(dai)開始的,首(shou)先是瑞(rui)典的U﹒Langefors提出孔壁(bi)切槽(cao)(cao)爆破利(li)用槽(cao)(cao)口應(ying)(ying)(ying)力(li)集中定向開裂的設(she)想,后經W﹒L﹒Fourney驗(yan)證是有效(xiao)的。70年(nian)(nian)代(dai)國外廣(guang)泛研究(jiu)和應(ying)(ying)(ying)用了(le)切槽(cao)(cao)爆破技(ji)(ji)術(shu)。