在建造隧道(dao)(dao)的(de)(de)時候,人們首先想到(dao)的(de)(de)個方式(shi),就是(shi)使用(yong)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu),開山挖隧道(dao)(dao)修(xiu)路,常(chang)規(gui)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)需要使用(yong)數以(yi)噸計的(de)(de)炸(zha),炸(zha)的(de)(de)威力(li)十分(fen)巨大(da),但是(shi)在炸(zha)完之后(hou),空氣中全是(shi)煙塵,根(gen)本(ben)無法進(jin)入,另(ling)外常(chang)規(gui)爆(bao)(bao)(bao)(bao)破(po)(po)炸(zha)出來的(de)(de)輪(lun)廓(kuo)(kuo)線凹(ao)凸(tu)不平,后(hou)期常(chang)常(chang)需要工(gong)人進(jin)一(yi)(yi)步修(xiu)補輪(lun)廓(kuo)(kuo)線才(cai)能(neng)(neng)進(jin)行下一(yi)(yi)道(dao)(dao)工(gong)序(xu),耗(hao)時耗(hao)力(li),那么有沒(mei)有其(qi)他的(de)(de)方式(shi)比(bi)常(chang)規(gui)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)更好呢(ni)?2018年(nian)3月,央視報道(dao)(dao)了一(yi)(yi)場隧道(dao)(dao)爆(bao)(bao)(bao)(bao)破(po)(po)對比(bi)實驗,實驗采用(yong)兩種(zhong)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu),滴喲(yo)中是(shi)使用(yong)炸(zha)的(de)(de)常(chang)規(gui)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu),第二種(zhong)則是(shi)國人新發明的(de)(de)聚(ju)能(neng)(neng)水(shui)壓(ya)光(guang)面爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu),隨著聲(sheng)聲(sheng)巨響(xiang),這場對比(bi)試驗的(de)(de)結果超乎所有人的(de)(de)意(yi)料(liao),聚(ju)能(neng)(neng)水(shui)壓(ya)爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)(ji)術(shu)(shu)的(de)(de)爆(bao)(bao)(bao)(bao)炸(zha)效果更好,而且爆(bao)(bao)(bao)(bao)破(po)(po)產生的(de)(de)水(shui)霧(wu)能(neng)(neng)將煙塵覆蓋,起(qi)到(dao)降塵的(de)(de)作用(yong),這項爆(bao)(bao)(bao)(bao)破(po)(po)新方式(shi)得到(dao)了觀眾(zhong)們的(de)(de)認可(ke)。
發(fa)揮巨(ju)大效力的(de)(de)(de)(de)關(guan)鍵又在其上(shang)面的(de)(de)(de)(de)“聚(ju)(ju)(ju)能(neng)槽”上(shang)。項目(mu)部(bu)目(mu)前(qian)采用的(de)(de)(de)(de)聚(ju)(ju)(ju)能(neng)管有(you)(you)兩個(ge)“聚(ju)(ju)(ju)能(neng)槽”,通過這兩個(ge)聚(ju)(ju)(ju)能(neng)槽的(de)(de)(de)(de)作用讓爆(bao)炸的(de)(de)(de)(de)威力在隧道中切(qie)割出十(shi)(shi)分平順的(de)(de)(de)(de)輪廓線,的(de)(de)(de)(de)控制了(le)(le)爆(bao)破(po)量,有(you)(you)效管控了(le)(le)超(chao)挖(wa)欠挖(wa)的(de)(de)(de)(de)現象(xiang)。為(wei)了(le)(le)進一步嚴格(ge)控制開(kai)挖(wa)輪廓,達到提(ti)高光面爆(bao)破(po)效果的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de),并研究出了(le)(le)聚(ju)(ju)(ju)能(neng)管上(shang)兩個(ge)“聚(ju)(ju)(ju)能(neng)槽”變為(wei)三個(ge)“聚(ju)(ju)(ju)能(neng)槽”的(de)(de)(de)(de)發(fa)明設(she)計,目(mu)前(qian),該發(fa)明設(she)計已經(jing)(jing)(jing)進入到了(le)(le)試生產階(jie)段(duan)。未來,三“聚(ju)(ju)(ju)能(neng)槽”設(she)計的(de)(de)(de)(de)聚(ju)(ju)(ju)能(neng)水壓爆(bao)破(po)技(ji)術(shu)將推動(dong)中鐵十(shi)(shi)四局四公司(si)張吉(ji)懷鐵路項目(mu)部(bu)施(shi)工開(kai)展(zhan)邁上(shang)一個(ge)新的(de)(de)(de)(de)臺(tai)階(jie),給項目(mu)部(bu)帶來巨(ju)大的(de)(de)(de)(de)經(jing)(jing)(jing)濟(ji)效益。工程爆(bao)破(po)技(ji)術(shu)經(jing)(jing)(jing)過幾(ji)十(shi)(shi)年的(de)(de)(de)(de)發(fa)展(zhan),已經(jing)(jing)(jing)滲透到經(jing)(jing)(jing)濟(ji)建(jian)設(she)的(de)(de)(de)(de)眾多(duo)領域,特別(bie)為(wei)中國的(de)(de)(de)(de)鐵路建(jian)設(she)、礦(kuang)山開(kai)采、城市拆舊定(ding)向爆(bao)破(po)等做(zuo)出了(le)(le)重要貢獻。
專用礦用型雙向聚能管光面爆破技術優勢:相對于傳統爆破工藝,聚能管光面爆破比常規爆破具有以下優勢∶少打眼,少裝藥。節約周邊鉆孔量50%,總鉆孔進尺減少30%;節約炸藥10~20%,雷管30%。節約噴漿料15-20%。節省時間∶每循環鉆孔、裝藥、噴漿時間1.5-2.0小時。礦用型雙向聚能管廠家在(zai)安全方面利用水沙袋替(ti)代炮泥(ni),以(yi)(yi)避免搗(dao)炮泥(ni)損毀電雷管導線,造成瞎炮。大(da)大(da)減(jian)(jian)少(shao)對圍(wei)巖(yan)擾動,光(guang)面效果(guo)好,巖(yan)性條件(jian)差情(qing)況下(xia)可(ke)以(yi)(yi)大(da)大(da)減(jian)(jian)少(shao)超挖量,控制(zhi)巷道成型;巖(yan)性完整(zheng)無節理(li)情(qing)況下(xia)眼痕率可(ke)以(yi)(yi)達到90%以(yi)(yi)上,巷道成型好,穩(wen)定性強。布孔方式優化成多排掏(tao)槽布孔,單(dan)次(ci)掘進深度可(ke)以(yi)(yi)優化提高10%到15%不等。由于炮孔數量大(da)大(da)減(jian)(jian)少(shao)可(ke)以(yi)(yi)考慮(lv)一起全斷面起爆,節省放炮時間。
預(yu)(yu)裂與光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)技術(shu)的歷史與現(xian)狀(zhuang):預(yu)(yu)裂爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)是(shi)(shi)沿設(she)計(ji)(ji)開挖(wa)(wa)邊(bian)界(jie)布置(zhi)密集(ji)炮孔,采(cai)取不(bu)耦合裝(zhuang)藥或裝(zhuang)填低威力炸藥,在(zai)主(zhu)(zhu)爆(bao)(bao)(bao)區(qu)(qu)之前(qian)起(qi)爆(bao)(bao)(bao),從而在(zai)爆(bao)(bao)(bao)區(qu)(qu)與保(bao)(bao)留(liu)區(qu)(qu)之間形成預(yu)(yu)裂縫,以減(jian)弱主(zhu)(zhu)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)對(dui)保(bao)(bao)留(liu)巖體的破(po)(po)(po)(po)(po)(po)(po)壞并形成平整(zheng)輪(lun)廓面(mian)(mian)的爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)作(zuo)業。光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)是(shi)(shi)沿設(she)計(ji)(ji)開挖(wa)(wa)邊(bian)界(jie)布設(she)密集(ji)炮孔,采(cai)用(yong)不(bu)耦合裝(zhuang)藥或裝(zhuang)填低威力炸藥,在(zai)主(zhu)(zhu)爆(bao)(bao)(bao)區(qu)(qu)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)之后起(qi)爆(bao)(bao)(bao)的以形成平整(zheng)的開挖(wa)(wa)輪(lun)廓面(mian)(mian)的爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)作(zuo)業。爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)技術(shu)的發展是(shi)(shi)先出現(xian)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po),然后衍生發展為預(yu)(yu)裂爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)。聚能(neng)管國(guo)內(nei)歷史與現(xian)狀(zhuang),我國(guo)于1964~1965年(nian)在(zai)湖北陸(lu)水(shui)水(shui)電站施工(gong)中(zhong)做過淺孔預(yu)(yu)裂爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)試驗,1965年(nian)鐵道部門在(zai)成昆鐵路建設(she)中(zhong)開始試驗光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po),1977年(nian)在(zai)西(xi)延線張家船工(gong)點,全(quan)長近200m的2000m2路塹(qian)邊(bian)坡(po)全(quan)部采(cai)用(yong)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po),爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)后邊(bian)坡(po)平整(zheng)穩定,殘留(liu)的半孔清晰可見,是(shi)(shi)鐵路建設(she)中(zhong)采(cai)用(yong)路塹(qian)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)(po)。
水(shui)(shui)壓(ya)(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)較水(shui)(shui)壓(ya)(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po),在周邊(bian)眼(yan)單循(xun)環火工品使用(yong)(yong)量(liang)上節(jie)約(yue)費(fei)用(yong)(yong)8.3%,周邊(bian)眼(yan)鉆孔數量(liang)從(cong)39個下降為23個費(fei)用(yong)(yong)節(jie)約(yue)41%,混凝土(tu)噴(pen)射(she)每(mei)(mei)延(yan)米(mi)(mi)節(jie)約(yue)1.37立(li)方(fang)米(mi)(mi)。水(shui)(shui)壓(ya)(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)比水(shui)(shui)壓(ya)(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)每(mei)(mei)循(xun)環節(jie)約(yue)費(fei)用(yong)(yong)258.4元,即(ji)每(mei)(mei)延(yan)米(mi)(mi)節(jie)約(yue)76較元,節(jie)約(yue)費(fei)用(yong)(yong)比例達32%。此(ci)外,聚(ju)(ju)能(neng)(neng)管(guan)水(shui)(shui)壓(ya)(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)能(neng)(neng)有(you)效(xiao)(xiao)(xiao)降低隧道內石渣塊度(du)和粉塵含(han)量(liang),還可使通(tong)風時(shi)間有(you)效(xiao)(xiao)(xiao)縮短33%。聚(ju)(ju)能(neng)(neng)管(guan)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)工藝技(ji)術(shu)(shu)很(hen)成熟、可操作(zuo)性很(hen)強(qiang)、材料成本很(hen)低、施工速度(du)很(hen)快(kuai)、節(jie)能(neng)(neng)環保效(xiao)(xiao)(xiao)果(guo)很(hen)顯(xian)著、經濟效(xiao)(xiao)(xiao)益(yi)社(she)會效(xiao)(xiao)(xiao)益(yi)很(hen)高(gao)。聚(ju)(ju)能(neng)(neng)管(guan)定向(xiang)爆(bao)(bao)(bao)破(po)(po)技(ji)術(shu)(shu)是近幾(ji)年發(fa)展(zhan)起(qi)來的一(yi)項掘(jue)進新(xin)技(ji)術(shu)(shu),這種爆(bao)(bao)(bao)破(po)(po)技(ji)術(shu)(shu)與傳(chuan)統的光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)技(ji)術(shu)(shu)有(you)一(yi)定的差別,聚(ju)(ju)能(neng)(neng)管(guan)定向(xiang)爆(bao)(bao)(bao)破(po)(po)原理(li)是在巷道周邊(bian)眼(yan)中,將炸裝在聚(ju)(ju)能(neng)(neng)管(guan)中起(qi)爆(bao)(bao)(bao),爆(bao)(bao)(bao)破(po)(po)時(shi)利用(yong)(yong)聚(ju)(ju)能(neng)(neng)管(guan)的聚(ju)(ju)能(neng)(neng)作(zuo)用(yong)(yong),以減少裂隙(xi)的數量(liang)和控制(zhi)優勢裂隙(xi)的發(fa)展(zhan)方(fang)向(xiang)。
在工程爆(bao)(bao)(bao)破(po)中(zhong),常用的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)方法(fa)(fa)(fa)(fa)(fa)(fa)有:電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)(dao)火索起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)索起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)、導(dao)(dao)爆(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)。電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)是利用電(dian)(dian)(dian)(dian)(dian)能使雷(lei)管(guan)爆(bao)(bao)(bao)炸(zha),進而起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)炸(zha)藥的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)芳法(fa)(fa)(fa)(fa)(fa)(fa)。它所需的(de)器材(cai)有:電(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)、導(dao)(dao)線(xian)和起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)源。電(dian)(dian)(dian)(dian)(dian)爆(bao)(bao)(bao)網路的(de)連接(jie)形式(shi),要(yao)根據爆(bao)(bao)(bao)破(po)方法(fa)(fa)(fa)(fa)(fa)(fa)、爆(bao)(bao)(bao)破(po)規模、工程的(de)重要(yao)性、所選(xuan)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)(dian)(dian)(dian)源及(ji)其起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)能力(li)(li)等進行選(xuan)擇,基(ji)本連接(jie)方式(shi)有:串(chuan)聯、并(bing)聯、串(chuan)并(bing)聯和并(bing)串(chuan)聯等。電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)(fa)(fa)具有較安全、可(ke)靠、準確、高效等優(you)點,在國內外仍占有較大(da)比重。在大(da)、中(zhong)型爆(bao)(bao)(bao)破(po)中(zhong),主(zhu)要(yao)仍是用電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)。特別是在有瓦斯(si)、礦塵爆(bao)(bao)(bao)炸(zha)的(de)環境中(zhong),電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)是主(zhu)要(yao)的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)方法(fa)(fa)(fa)(fa)(fa)(fa)。但電(dian)(dian)(dian)(dian)(dian)力(li)(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)容易受各種電(dian)(dian)(dian)(dian)(dian)信號的(de)干擾而發生早爆(bao)(bao)(bao),因此在有雜散(san)電(dian)(dian)(dian)(dian)(dian)、靜電(dian)(dian)(dian)(dian)(dian)、雷(lei)電(dian)(dian)(dian)(dian)(dian)、射頻電(dian)(dian)(dian)(dian)(dian)、高壓感應電(dian)(dian)(dian)(dian)(dian)的(de)環境中(zhong),不能使用普通電(dian)(dian)(dian)(dian)(dian)雷(lei)管(guan)。