施工(gong)(gong)工(gong)(gong)藝嚴格遵循六字(zi)方針(掛滿(man)、貼(tie)緊、對準):(1)要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)打(da)眼(yan)(yan)質(zhi)量,炮(pao)眼(yan)(yan)必須按(an)技術(shu)要(yao)(yao)(yao)(yao)求合(he)理布置。(2)要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)掏槽(cao)眼(yan)(yan)以及其他眼(yan)(yan)眼(yan)(yan)的(de)打(da)眼(yan)(yan)質(zhi)量,一定要(yao)(yao)(yao)(yao)在(zai)規定位置上打(da)眼(yan)(yan);二(er)要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)深度和角度。(3)聚(ju)(ju)(ju)能管(guan)裝藥(yao)時,要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)乳化炸藥(yao)在(zai)聚(ju)(ju)(ju)能管(guan)中(zhong)空內壁中(zhong)填(tian)(tian)充飽滿(man)不(bu)得有空隙出現時以產生拒爆。(4)聚(ju)(ju)(ju)能管(guan)在(zai)炮(pao)眼(yan)(yan)中(zhong)裝填(tian)(tian)時,要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)聚(ju)(ju)(ju)能管(guan)的(de)兩條聚(ju)(ju)(ju)能槽(cao)指向巷(xiang)道(dao)輪廓(kuo)線(xian)方向并且各個炮(pao)眼(yan)(yan)聚(ju)(ju)(ju)能管(guan)的(de)聚(ju)(ju)(ju)能槽(cao)軸線(xian)方面要(yao)(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)相互連接在(zai)隧(sui)道(dao)輪廓(kuo)線(xian)上。否則成型效(xiao)果(guo)不(bu)僅不(bu)好,反而更差。(5)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)堵塞質(zhi)量。(6)放炮(pao)員應提前(qian)按(an)規定裝好聚(ju)(ju)(ju)能管(guan)的(de)炸藥(yao),并做好準備工(gong)(gong)作。試用范圍(wei):一級至五級圍(wei)巖(yan)的(de)光(guang)面爆破(po)工(gong)(gong)程。
水壓光(guang)面爆(bao)破(po)技(ji)(ji)術(shu)在隧(sui)道掘進(jin)(jin)作業中的(de)(de)(de)實(shi)(shi)際應用。提(ti)(ti)升(sheng)光(guang)面爆(bao)破(po)水平、嚴抓(zhua)隧(sui)道超(chao)挖管控進(jin)(jin)行了介紹。聚能水壓光(guang)面爆(bao)破(po)工(gong)(gong)藝技(ji)(ji)術(shu)很(hen)(hen)(hen)成熟、可操作性很(hen)(hen)(hen)強、材料(liao)成本很(hen)(hen)(hen)低、施工(gong)(gong)速度很(hen)(hen)(hen)快、節能環(huan)保效(xiao)果很(hen)(hen)(hen)顯著、經(jing)濟(ji)效(xiao)益社會效(xiao)益很(hen)(hen)(hen)高。一是(shi)要(yao)(yao)(yao)提(ti)(ti)高對推廣該項技(ji)(ji)術(shu)重(zhong)要(yao)(yao)(yao)性和必然性的(de)(de)(de)認識(shi);二是(shi)要(yao)(yao)(yao)樹(shu)立必須采取聚能水壓光(guang)面爆(bao)破(po)的(de)(de)(de)意識(shi);三是(shi)要(yao)(yao)(yao)堅持(chi)培訓、示(shi)范、監督“三位一體(ti)”;四是(shi)要(yao)(yao)(yao)制(zhi)定切實(shi)(shi)的(de)(de)(de)獎(jiang)懲制(zhi)度;五(wu)是(shi)要(yao)(yao)(yao)建(jian)立檢(jian)查監督機制(zhi),持(chi)續促進(jin)(jin)該項技(ji)(ji)術(shu)的(de)(de)(de)深(shen)入(ru)推廣。在隧(sui)道施工(gong)(gong)的(de)(de)(de)現場管理(li)、科(ke)技(ji)(ji)創新、人才培養、經(jing)濟(ji)效(xiao)益等(deng)方面的(de)(de)(de)不足。建(jian)議(yi)對施工(gong)(gong)一線(xian)基礎(chu)技(ji)(ji)術(shu)工(gong)(gong)作扎實(shi)(shi)推進(jin)(jin);對新工(gong)(gong)藝、先進(jin)(jin)工(gong)(gong)法要(yao)(yao)(yao)深(shen)入(ru)學習鉆研;對消極懈(xie)怠、故步自(zi)封的(de)(de)(de)思想要(yao)(yao)(yao)堅決抵(di)制(zhi)。
專用爆破多向聚能管預裂與光面爆破技術的歷史與現狀:預裂爆破是沿設計開挖邊界布置密集炮孔,采取不耦合裝藥或裝填低威力炸藥,在主爆區之前起爆,從而在爆區與保留區之間形成預裂縫,以減弱主爆破對保留巖體的破壞并形成平整輪廓面的爆破作業。爆破多向聚能管公司光(guang)面(mian)爆(bao)破(po)(po)(po)是沿設計開(kai)挖邊界布設密集(ji)炮孔,采(cai)(cai)用不耦合裝(zhuang)藥或裝(zhuang)填(tian)低威力炸藥,在(zai)主爆(bao)區爆(bao)破(po)(po)(po)之后(hou)起爆(bao)的(de)(de)以形成平(ping)整(zheng)的(de)(de)開(kai)挖輪廓(kuo)面(mian)的(de)(de)爆(bao)破(po)(po)(po)作(zuo)業。爆(bao)破(po)(po)(po)技術(shu)的(de)(de)發(fa)展是先出現光(guang)面(mian)爆(bao)破(po)(po)(po),然后(hou)衍生(sheng)發(fa)展為預(yu)裂(lie)爆(bao)破(po)(po)(po)。聚(ju)能管(guan)國(guo)內歷史與現狀,我國(guo)于1964~1965年在(zai)湖北陸水水電站施工中(zhong)做過淺(qian)孔預(yu)裂(lie)爆(bao)破(po)(po)(po)試(shi)驗(yan),1965年鐵道部(bu)門(men)在(zai)成昆鐵路(lu)(lu)建設中(zhong)開(kai)始試(shi)驗(yan)光(guang)面(mian)爆(bao)破(po)(po)(po),1977年在(zai)西延(yan)線(xian)張家船工點,全(quan)長近200m的(de)(de)2000m2路(lu)(lu)塹邊坡全(quan)部(bu)采(cai)(cai)用光(guang)面(mian)爆(bao)破(po)(po)(po),爆(bao)破(po)(po)(po)后(hou)邊坡平(ping)整(zheng)穩定,殘(can)留的(de)(de)半(ban)孔清晰可見,是鐵路(lu)(lu)建設中(zhong)采(cai)(cai)用路(lu)(lu)塹光(guang)面(mian)爆(bao)破(po)(po)(po)。
的(de)(de)(de)軍事(shi)應用:聚(ju)能(neng)爆(bao)破(po)(po)技(ji)術(shu),早在二次世界(jie)大(da)戰(zhan)期間就在軍事(shi)方面(mian)廣泛應用。國內在聚(ju)能(neng)破(po)(po)甲技(ji)術(shu)如大(da)錐角(jiao)反艦導彈戰(zhan)斗部(bu)(bu)和大(da)錐角(jiao)反坦克地雷以及敏感彈戰(zhan)斗部(bu)(bu)等方面(mian)取得(de)了(le)較為快速的(de)(de)(de)發展,我國20世紀(ji)60年代打破(po)(po)國外(wai)技(ji)術(shu)封(feng)鎖獨立自主研發成功原(yuan)子彈就是(shi)得(de)力于聚(ju)能(neng)爆(bao)破(po)(po)技(ji)術(shu)轟擊核裝置(zhi)而引爆(bao)原(yuan)子彈。的(de)(de)(de)民(min)爆(bao)應用——切(qie)槽爆(bao)破(po)(po)技(ji)術(shu):聚(ju)能(neng)爆(bao)破(po)(po)用于工程(cheng)建(jian)設(she)(she)也(ye)是(shi)20世紀(ji)60年代開始的(de)(de)(de),首先是(shi)瑞典(dian)的(de)(de)(de)U﹒Langefors提出孔壁切(qie)槽爆(bao)破(po)(po)利用槽口應力集(ji)中(zhong)定向開裂的(de)(de)(de)設(she)(she)想,后經W﹒L﹒Fourney驗證(zheng)是(shi)有(you)效的(de)(de)(de)。70年代國外(wai)廣泛研究和應用了(le)切(qie)槽爆(bao)破(po)(po)技(ji)術(shu)。
在(zai)工(gong)程(cheng)爆(bao)(bao)破中(zhong)(zhong),常用(yong)的(de)(de)(de)(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)方法(fa)(fa)(fa)(fa)(fa)(fa)有(you)(you)(you):電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)火索起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)爆(bao)(bao)索起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)爆(bao)(bao)管起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)。電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)是利(li)用(yong)電(dian)(dian)能(neng)使雷管爆(bao)(bao)炸(zha),進而起(qi)(qi)(qi)(qi)爆(bao)(bao)炸(zha)藥(yao)的(de)(de)(de)(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)芳法(fa)(fa)(fa)(fa)(fa)(fa)。它所(suo)(suo)需的(de)(de)(de)(de)器材有(you)(you)(you):電(dian)(dian)雷管、導(dao)線和(he)起(qi)(qi)(qi)(qi)爆(bao)(bao)電(dian)(dian)源(yuan)。電(dian)(dian)爆(bao)(bao)網路的(de)(de)(de)(de)連接形(xing)式(shi),要(yao)根據(ju)爆(bao)(bao)破方法(fa)(fa)(fa)(fa)(fa)(fa)、爆(bao)(bao)破規模、工(gong)程(cheng)的(de)(de)(de)(de)重要(yao)性、所(suo)(suo)選起(qi)(qi)(qi)(qi)爆(bao)(bao)電(dian)(dian)源(yuan)及其(qi)起(qi)(qi)(qi)(qi)爆(bao)(bao)能(neng)力(li)(li)等(deng)進行選擇(ze),基本(ben)連接方式(shi)有(you)(you)(you):串(chuan)聯(lian)(lian)、并聯(lian)(lian)、串(chuan)并聯(lian)(lian)和(he)并串(chuan)聯(lian)(lian)等(deng)。電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)具(ju)有(you)(you)(you)較安全、可靠、準確、高效(xiao)等(deng)優點,在(zai)國內外(wai)仍占有(you)(you)(you)較大比重。在(zai)大、中(zhong)(zhong)型爆(bao)(bao)破中(zhong)(zhong),主要(yao)仍是用(yong)電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)。特別(bie)是在(zai)有(you)(you)(you)瓦斯、礦塵爆(bao)(bao)炸(zha)的(de)(de)(de)(de)環境(jing)中(zhong)(zhong),電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)是主要(yao)的(de)(de)(de)(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)方法(fa)(fa)(fa)(fa)(fa)(fa)。但(dan)電(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)容易受各種電(dian)(dian)信號的(de)(de)(de)(de)干擾而發生早(zao)爆(bao)(bao),因此在(zai)有(you)(you)(you)雜散(san)電(dian)(dian)、靜電(dian)(dian)、雷電(dian)(dian)、射頻電(dian)(dian)、高壓感應(ying)電(dian)(dian)的(de)(de)(de)(de)環境(jing)中(zhong)(zhong),不(bu)能(neng)使用(yong)普通電(dian)(dian)雷管。
采用一種(zhong)抗(kang)靜電阻燃的(de)(de)特種(zhong)塑料(liao)管(guan)(guan)、異(yi)形雙(shuang)槽聚(ju)(ju)(ju)能管(guan)(guan),根(gen)據炮眼(yan)(yan)深度可(ke)長可(ke)短。是兩(liang)個(ge)相(xiang)似(si)半(ban)壁管(guan)(guan)組(zu)成(cheng),半(ban)壁管(guan)(guan)中央有個(ge)凹進去(qu)的(de)(de)槽叫做'聚(ju)(ju)(ju)能槽",使用聚(ju)(ju)(ju)能管(guan)(guan)光面(mian)爆(bao)破(po)(po)成(cheng)型效(xiao)果好(hao),開(kai)挖輪廓線平順整齊,圍(wei)巖擾動減(jian)(jian)(jian)少(shao)、超欠挖明顯改善(shan),有利于支護工(gong)序施工(gong),同(tong)時混凝土回填(tian)成(cheng)本大(da)(da)為降(jiang)低。鑿孔(kong)率減(jian)(jian)(jian)少(shao)30%,大(da)(da)大(da)(da)降(jiang)低了爆(bao)破(po)(po)作業工(gong)班(ban)的(de)(de)勞動量:鉆孔(kong)縮短30分鐘(zhong)、少(shao)打眼(yan)(yan)、出渣量減(jian)(jian)(jian)少(shao),降(jiang)低了材料(liao)成(cheng)本、減(jian)(jian)(jian)少(shao)工(gong)時消耗(hao)、勞動效(xiao)率明顯提高,周邊(bian)眼(yan)(yan)爆(bao)破(po)(po)成(cheng)本降(jiang)低30%以(yi)上,半(ban)眼(yan)(yan)痕保(bao)留率高達85%以(yi)上。pvc爆(bao)破(po)(po)聚(ju)(ju)(ju)能管(guan)(guan)主要應用于隧道、煤(mei)礦(kuang)、鐵礦(kuang)等需要進行光面(mian)爆(bao)破(po)(po)施工(gong)的(de)(de)工(gong)程。采用聚(ju)(ju)(ju)能管(guan)(guan)的(de)(de)光面(mian)爆(bao)破(po)(po)可(ke)減(jian)(jian)(jian)少(shao)鉆孔(kong),擴大(da)(da)孔(kong)距(ju),減(jian)(jian)(jian)少(shao)導爆(bao)管(guan)(guan)用量,減(jian)(jian)(jian)少(shao)超挖,減(jian)(jian)(jian)少(shao)噴漿,提高半(ban)孔(kong)率,既節省了成(cheng)本又(you)提高了施工(gong)效(xiao)率。