水壓(ya)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)較水壓(ya)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po),在周(zhou)邊(bian)(bian)眼(yan)單循環火工品使用量(liang)上節(jie)(jie)約(yue)(yue)(yue)費(fei)用8.3%,周(zhou)邊(bian)(bian)眼(yan)鉆(zhan)孔數量(liang)從39個(ge)下降為23個(ge)費(fei)用節(jie)(jie)約(yue)(yue)(yue)41%,混(hun)凝土噴射(she)每延米(mi)節(jie)(jie)約(yue)(yue)(yue)1.37立方米(mi)。水壓(ya)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)比水壓(ya)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)每循環節(jie)(jie)約(yue)(yue)(yue)費(fei)用258.4元,即每延米(mi)節(jie)(jie)約(yue)(yue)(yue)76較元,節(jie)(jie)約(yue)(yue)(yue)費(fei)用比例(li)達32%。此(ci)外(wai),聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)水壓(ya)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)能有(you)效(xiao)降低隧道內石渣塊(kuai)度(du)(du)和粉塵含量(liang),還可使通風(feng)時(shi)間有(you)效(xiao)縮(suo)短33%。聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)工藝技術很成(cheng)熟、可操作性很強、材料成(cheng)本很低、施工速(su)度(du)(du)很快、節(jie)(jie)能環保效(xiao)果(guo)很顯(xian)著、經濟效(xiao)益社會效(xiao)益很高。聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)定向(xiang)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)技術是近幾(ji)年發展起(qi)來的一項(xiang)掘進新技術,這種(zhong)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)技術與傳統的光面爆(bao)(bao)(bao)(bao)(bao)破(po)(po)技術有(you)一定的差別,聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)定向(xiang)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)原理(li)是在巷道周(zhou)邊(bian)(bian)眼(yan)中(zhong),將炸裝在聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)中(zhong)起(qi)爆(bao)(bao)(bao)(bao)(bao),爆(bao)(bao)(bao)(bao)(bao)破(po)(po)時(shi)利用聚(ju)(ju)(ju)能管(guan)(guan)(guan)(guan)的聚(ju)(ju)(ju)能作用,以(yi)減少裂隙的數量(liang)和控制優勢裂隙的發展方向(xiang)。
的(de)軍(jun)事(shi)應用(yong):聚能(neng)爆(bao)(bao)破(po)技術(shu),早在(zai)二(er)次世界大戰(zhan)期間就在(zai)軍(jun)事(shi)方面廣泛應用(yong)。國(guo)內在(zai)聚能(neng)破(po)甲技術(shu)如大錐角(jiao)(jiao)反(fan)艦導彈戰(zhan)斗(dou)部和大錐角(jiao)(jiao)反(fan)坦克地雷以及(ji)敏感(gan)彈戰(zhan)斗(dou)部等方面取得了較為快速(su)的(de)發(fa)展(zhan),我國(guo)20世紀60年(nian)代打(da)破(po)國(guo)外(wai)(wai)技術(shu)封(feng)鎖(suo)獨立自主(zhu)研(yan)發(fa)成(cheng)功原(yuan)子彈就是(shi)得力(li)(li)于聚能(neng)爆(bao)(bao)破(po)技術(shu)轟擊核裝置而引(yin)爆(bao)(bao)原(yuan)子彈。的(de)民爆(bao)(bao)應用(yong)——切(qie)槽(cao)爆(bao)(bao)破(po)技術(shu):聚能(neng)爆(bao)(bao)破(po)用(yong)于工(gong)程建(jian)設也是(shi)20世紀60年(nian)代開始的(de),首(shou)先(xian)是(shi)瑞典的(de)U﹒Langefors提出孔壁切(qie)槽(cao)爆(bao)(bao)破(po)利用(yong)槽(cao)口應力(li)(li)集中定向開裂的(de)設想,后經W﹒L﹒Fourney驗證是(shi)有效(xiao)的(de)。70年(nian)代國(guo)外(wai)(wai)廣泛研(yan)究和應用(yong)了切(qie)槽(cao)爆(bao)(bao)破(po)技術(shu)。
預(yu)(yu)(yu)裂(lie)與光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)技術(shu)的(de)(de)(de)歷(li)史(shi)與現(xian)(xian)(xian)狀:預(yu)(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)是(shi)沿設計(ji)開(kai)挖(wa)邊(bian)界布(bu)置密集(ji)炮孔,采(cai)取不(bu)耦(ou)合裝(zhuang)藥或(huo)(huo)裝(zhuang)填(tian)低威力炸藥,在(zai)(zai)主爆(bao)(bao)(bao)(bao)(bao)區之前(qian)起爆(bao)(bao)(bao)(bao)(bao),從(cong)而(er)在(zai)(zai)爆(bao)(bao)(bao)(bao)(bao)區與保(bao)留區之間形成預(yu)(yu)(yu)裂(lie)縫,以減(jian)弱主爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)對保(bao)留巖體的(de)(de)(de)破(po)(po)(po)(po)(po)壞(huai)并(bing)形成平(ping)整(zheng)輪廓面(mian)(mian)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)作業。光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)是(shi)沿設計(ji)開(kai)挖(wa)邊(bian)界布(bu)設密集(ji)炮孔,采(cai)用(yong)不(bu)耦(ou)合裝(zhuang)藥或(huo)(huo)裝(zhuang)填(tian)低威力炸藥,在(zai)(zai)主爆(bao)(bao)(bao)(bao)(bao)區爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)之后起爆(bao)(bao)(bao)(bao)(bao)的(de)(de)(de)以形成平(ping)整(zheng)的(de)(de)(de)開(kai)挖(wa)輪廓面(mian)(mian)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)作業。爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)技術(shu)的(de)(de)(de)發展(zhan)是(shi)先出現(xian)(xian)(xian)光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po),然后衍生(sheng)發展(zhan)為預(yu)(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)。聚能管國內歷(li)史(shi)與現(xian)(xian)(xian)狀,我國于(yu)1964~1965年在(zai)(zai)湖北陸水水電站(zhan)施工中做過(guo)淺孔預(yu)(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)試驗(yan),1965年鐵(tie)道部門在(zai)(zai)成昆鐵(tie)路(lu)建(jian)設中開(kai)始試驗(yan)光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po),1977年在(zai)(zai)西延線張家船(chuan)工點(dian),全(quan)長近200m的(de)(de)(de)2000m2路(lu)塹邊(bian)坡(po)全(quan)部采(cai)用(yong)光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po),爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)后邊(bian)坡(po)平(ping)整(zheng)穩(wen)定,殘留的(de)(de)(de)半孔清晰可見,是(shi)鐵(tie)路(lu)建(jian)設中采(cai)用(yong)路(lu)塹光(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)。
水(shui)壓光(guang)面(mian)(mian)爆破(po)技(ji)術在隧道掘進作業中的(de)實(shi)際應用。提升光(guang)面(mian)(mian)爆破(po)水(shui)平(ping)、嚴(yan)抓隧道超挖管控進行(xing)了介紹。聚(ju)能水(shui)壓光(guang)面(mian)(mian)爆破(po)工(gong)(gong)(gong)(gong)(gong)藝(yi)技(ji)術很(hen)(hen)成熟、可操作性很(hen)(hen)強、材料成本很(hen)(hen)低、施(shi)工(gong)(gong)(gong)(gong)(gong)速度(du)(du)很(hen)(hen)快(kuai)、節能環保效(xiao)果很(hen)(hen)顯著、經濟效(xiao)益社會效(xiao)益很(hen)(hen)高(gao)。一是(shi)(shi)(shi)要(yao)提高(gao)對(dui)推(tui)(tui)廣(guang)該項(xiang)技(ji)術重要(yao)性和(he)必(bi)然性的(de)認識;二是(shi)(shi)(shi)要(yao)樹立必(bi)須采取聚(ju)能水(shui)壓光(guang)面(mian)(mian)爆破(po)的(de)意識;三是(shi)(shi)(shi)要(yao)堅(jian)持培訓、示范、監督“三位一體”;四是(shi)(shi)(shi)要(yao)制(zhi)定切(qie)實(shi)的(de)獎懲制(zhi)度(du)(du);五(wu)是(shi)(shi)(shi)要(yao)建立檢查監督機(ji)制(zhi),持續促進該項(xiang)技(ji)術的(de)深入推(tui)(tui)廣(guang)。在隧道施(shi)工(gong)(gong)(gong)(gong)(gong)的(de)現場(chang)管理(li)、科技(ji)創新(xin)、人(ren)才培養、經濟效(xiao)益等方面(mian)(mian)的(de)不足(zu)。建議對(dui)施(shi)工(gong)(gong)(gong)(gong)(gong)一線基礎技(ji)術工(gong)(gong)(gong)(gong)(gong)作扎實(shi)推(tui)(tui)進;對(dui)新(xin)工(gong)(gong)(gong)(gong)(gong)藝(yi)、先進工(gong)(gong)(gong)(gong)(gong)法要(yao)深入學(xue)習鉆研;對(dui)消極懈怠、故步自封的(de)思想要(yao)堅(jian)決抵制(zhi)。
在鐵路、礦山、水庫等大型工程中,爆破多向聚能管價格爆破技術的作用很關鍵很重要。采礦修路的開山挖隧道,城市對舊建筑物的拆除,都會用到爆破技術。隨著經濟的發展、工程建設的增多,專業爆破多向聚能管爆破(po)(po)引起了(le)(le)人們更多(duo)的(de)關注。爆破(po)(po)聚(ju)能管作為(wei)一(yi)種(zhong)科學技術(shu),應用很廣,但(dan)在工(gong)程上(shang)的(de)應用無疑是(shi)重(zhong)要(yao)、常見的(de),采礦(kuang)開(kai)山,修(xiu)鐵路(lu)(lu)、公路(lu)(lu)用鉆爆法來(lai)開(kai)掘隧道,水(shui)利(li)工(gong)程上(shang)也用一(yi)些(xie),城市里面也使用了(le)(le),拆除(chu)樓房(fang)。利(li)用炸(zha)爆炸(zha)產生(sheng)的(de)巨(ju)大能量破(po)(po)壞(huai)某種(zhong)物(wu)體(ti)的(de)原結構,這(zhe)種(zhong)"破(po)(po)壞(huai)"效果不(bu)是(shi)其他方(fang)法能代替的(de),它(ta)雖然不(bu)是(shi)獨立(li)完(wan)成(cheng)一(yi)個工(gong)程,但(dan)卻是(shi)一(yi)個重(zhong)要(yao)的(de)工(gong)序,特(te)別是(shi)石方(fang)開(kai)挖、礦(kuang)山開(kai)采等工(gong)程缺少了(le)(le)這(zhe)個工(gong)序還不(bu)行。中(zhong)國目(mu)前有發(fa)達的(de)鐵路(lu)(lu)和公路(lu)(lu)交通網(wang),可以想象,當初(chu)在修(xiu)這(zhe)些(xie)路(lu)(lu)的(de)時候會遇到許多(duo)高山峻(jun)嶺(ling),一(yi)座(zuo)大山橫在兩地(di)之間,想要(yao)修(xiu)路(lu)(lu),就(jiu)必須讓這(zhe)座(zuo)山消失,這(zhe)個時候聚(ju)能管爆破(po)(po)就(jiu)起到決(jue)定性作用了(le)(le)。