采(cai)(cai)用(yong)一種抗靜電(dian)阻燃(ran)的(de)(de)特種塑(su)料(liao)管(guan)、異形雙槽(cao)(cao)(cao)聚能(neng)管(guan),根據炮眼(yan)深度可(ke)長可(ke)短(duan)。是(shi)兩個相似半(ban)(ban)壁(bi)管(guan)組成,半(ban)(ban)壁(bi)管(guan)中央(yang)有(you)個凹進去(qu)的(de)(de)槽(cao)(cao)(cao)叫做'聚能(neng)槽(cao)(cao)(cao)",使(shi)用(yong)聚能(neng)管(guan)光面(mian)爆破(po)成型效(xiao)果好,開(kai)挖(wa)輪廓線(xian)平順整齊(qi),圍(wei)巖擾動(dong)減(jian)少、超欠挖(wa)明顯(xian)改(gai)善,有(you)利(li)于支(zhi)護工序施工,同時混凝土(tu)回(hui)填成本(ben)(ben)大(da)(da)為降(jiang)低。鑿孔率(lv)減(jian)少30%,大(da)(da)大(da)(da)降(jiang)低了(le)(le)爆破(po)作業工班的(de)(de)勞(lao)(lao)動(dong)量(liang):鉆孔縮短(duan)30分鐘、少打(da)眼(yan)、出渣量(liang)減(jian)少,降(jiang)低了(le)(le)材料(liao)成本(ben)(ben)、減(jian)少工時消耗、勞(lao)(lao)動(dong)效(xiao)率(lv)明顯(xian)提(ti)(ti)高(gao),周邊眼(yan)爆破(po)成本(ben)(ben)降(jiang)低30%以上(shang)(shang),半(ban)(ban)眼(yan)痕保留率(lv)高(gao)達85%以上(shang)(shang)。pvc爆破(po)聚能(neng)管(guan)主要(yao)應用(yong)于隧道、煤(mei)礦、鐵礦等需要(yao)進行光面(mian)爆破(po)施工的(de)(de)工程。采(cai)(cai)用(yong)聚能(neng)管(guan)的(de)(de)光面(mian)爆破(po)可(ke)減(jian)少鉆孔,擴大(da)(da)孔距,減(jian)少導爆管(guan)用(yong)量(liang),減(jian)少超挖(wa),減(jian)少噴(pen)漿,提(ti)(ti)高(gao)半(ban)(ban)孔率(lv),既節省了(le)(le)成本(ben)(ben)又提(ti)(ti)高(gao)了(le)(le)施工效(xiao)率(lv)。
水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)技(ji)術基礎上(shang)發展起來的一項(xiang)新技(ji)術,其掏槽眼(yan)、輔(fu)助(zhu)眼(yan)裝藥(yao)結構和(he)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)方式與水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)相(xiang)同,但在(zai)周(zhou)邊(bian)眼(yan)中安裝專用(yong)線性(xing)聚能藥(yao)管替代常規爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)藥(yao)卷和(he)傳爆(bao)(bao)(bao)線,利用(yong)線性(xing)聚能藥(yao)管產生的粒子射(she)流動能、高壓(ya)(ya)(ya)(ya)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)氣(qi)體應力及“氣(qi)楔”作用(yong),形成平整圓順的開挖輪廓面(mian)(mian),對控制超欠挖具有(you)良好效(xiao)(xiao)果,有(you)效(xiao)(xiao)提升了隧道(dao)施工質量(liang)、進度和(he)經濟效(xiao)(xiao)益。水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)較水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po),在(zai)周(zhou)邊(bian)眼(yan)單循環火工品使用(yong)量(liang)上(shang)節約(yue)(yue)(yue)費用(yong)8.3%,周(zhou)邊(bian)眼(yan)鉆(zhan)孔數量(liang)從(cong)39個下(xia)降(jiang)為23個費用(yong)節約(yue)(yue)(yue)41%,混(hun)凝土噴射(she)每延(yan)米(mi)(mi)節約(yue)(yue)(yue)1.37立方米(mi)(mi)。聚能水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)比水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)每循環節約(yue)(yue)(yue)費用(yong)258.4元,即每延(yan)米(mi)(mi)節約(yue)(yue)(yue)76較元,節約(yue)(yue)(yue)費用(yong)比例達(da)32%。此外,聚能水(shui)(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)能有(you)效(xiao)(xiao)降(jiang)低隧道(dao)內(nei)石(shi)渣塊度和(he)粉塵(chen)含量(liang),還可使通風時間有(you)效(xiao)(xiao)縮短33%。
預(yu)裂(lie)(lie)(lie)與光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)技術的(de)(de)(de)歷史與現狀:預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po)(po)(po)(po)是沿(yan)設(she)(she)計(ji)開(kai)挖邊界布置密集(ji)炮(pao)孔(kong)(kong),采(cai)(cai)(cai)取(qu)不耦合裝藥或裝填(tian)低威力(li)(li)炸藥,在(zai)主(zhu)爆(bao)(bao)區(qu)之(zhi)前起(qi)爆(bao)(bao),從而在(zai)爆(bao)(bao)區(qu)與保留(liu)區(qu)之(zhi)間形成(cheng)預(yu)裂(lie)(lie)(lie)縫,以(yi)減弱主(zhu)爆(bao)(bao)破(po)(po)(po)(po)對(dui)保留(liu)巖體(ti)的(de)(de)(de)破(po)(po)(po)(po)壞并形成(cheng)平整輪(lun)廓面(mian)的(de)(de)(de)爆(bao)(bao)破(po)(po)(po)(po)作(zuo)業(ye)。光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)是沿(yan)設(she)(she)計(ji)開(kai)挖邊界布設(she)(she)密集(ji)炮(pao)孔(kong)(kong),采(cai)(cai)(cai)用(yong)(yong)不耦合裝藥或裝填(tian)低威力(li)(li)炸藥,在(zai)主(zhu)爆(bao)(bao)區(qu)爆(bao)(bao)破(po)(po)(po)(po)之(zhi)后起(qi)爆(bao)(bao)的(de)(de)(de)以(yi)形成(cheng)平整的(de)(de)(de)開(kai)挖輪(lun)廓面(mian)的(de)(de)(de)爆(bao)(bao)破(po)(po)(po)(po)作(zuo)業(ye)。爆(bao)(bao)破(po)(po)(po)(po)技術的(de)(de)(de)發展是先出(chu)現光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po),然后衍(yan)生發展為預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po)(po)(po)(po)。聚能管國內(nei)歷史與現狀,我國于(yu)1964~1965年在(zai)湖(hu)北陸水水電站施(shi)工中(zhong)做(zuo)過(guo)淺孔(kong)(kong)預(yu)裂(lie)(lie)(lie)爆(bao)(bao)破(po)(po)(po)(po)試驗,1965年鐵(tie)(tie)道部門在(zai)成(cheng)昆鐵(tie)(tie)路建設(she)(she)中(zhong)開(kai)始試驗光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po),1977年在(zai)西(xi)延線張家船工點,全長近200m的(de)(de)(de)2000m2路塹邊坡(po)全部采(cai)(cai)(cai)用(yong)(yong)光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po),爆(bao)(bao)破(po)(po)(po)(po)后邊坡(po)平整穩定,殘留(liu)的(de)(de)(de)半孔(kong)(kong)清晰可見,是鐵(tie)(tie)路建設(she)(she)中(zhong)采(cai)(cai)(cai)用(yong)(yong)路塹光(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)。
專用爆破多向聚能管聚能包由炸、形罩、隔板、殼體、引信和支架等部分組成,其作用及對聚能包威力的影響分述如下。1.炸,炸是聚能管爆破的能源,炸的爆壓越大,聚能彈威力越大;為得到高爆壓,需高爆速、高密度的炸。常用炸有梯恩梯、8321炸等,裝方法有熔鑄,塑裝和壓裝多種。2.型罩,型罩的作用是把炸的爆炸能轉化成罩體材料的射流動能,從而提高其穿透和切割能力。爆破多向聚能管公司型(xing)(xing)罩的材料必須滿足四點(dian)要求(qiu),即可壓縮(suo)性小、密度高、塑(su)性和(he)(he)延展性好(hao),在(zai)形(xing)(xing)(xing)(xing)(xing)成射流中(zhong)不汽(qi)化。大(da)量(liang)試(shi)驗證(zheng)明,用(yong)紫銅制作型(xing)(xing)罩效(xiao)果好(hao),其次為鑄(zhu)鐵、鋼和(he)(he)陶瓷。型(xing)(xing)罩的形(xing)(xing)(xing)(xing)(xing)狀多(duo)種多(duo)樣,主要有(you)軸(zhou)對(dui)稱(cheng)(cheng)(cheng)型(xing)(xing),如圓錐形(xing)(xing)(xing)(xing)(xing)、半球(qiu)形(xing)(xing)(xing)(xing)(xing)、拋物線形(xing)(xing)(xing)(xing)(xing)和(he)(he)喇(la)叭形(xing)(xing)(xing)(xing)(xing)等;面(mian)對(dui)稱(cheng)(cheng)(cheng)型(xing)(xing),常見的有(you)用(yong)于切割屬板(ban)材的直(zhi)線形(xing)(xing)(xing)(xing)(xing)和(he)(he)用(yong)于切割管材的環(huan)形(xing)(xing)(xing)(xing)(xing)聚(ju)能罩兩種;中(zhong)心(xin)對(dui)稱(cheng)(cheng)(cheng)型(xing)(xing),這(zhe)種球(qiu)形(xing)(xing)(xing)(xing)(xing)聚(ju)能包(bao),中(zhong)心(xin)有(you)球(qiu)形(xing)(xing)(xing)(xing)(xing)空腔和(he)(he)球(qiu)形(xing)(xing)(xing)(xing)(xing)罩,球(qiu)形(xing)(xing)(xing)(xing)(xing)罩外敷設(she)炸(zha),若能在(zai)瞬間同時(shi)起(qi)爆,可在(zai)空腔中(zhong)心(xin)點(dian)獲(huo)得極(ji)大(da)的能量(liang)集中(zhong)。在(zai)工(gong)程中(zhong)常用(yong)的是軸(zhou)對(dui)稱(cheng)(cheng)(cheng)型(xing)(xing)和(he)(he)面(mian)對(dui)稱(cheng)(cheng)(cheng)型(xing)(xing)兩類型(xing)(xing)罩。
在(zai)建造隧道的(de)時候,人們(men)首先想到(dao)的(de)個方式,就是使用(yong)(yong)(yong)爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu),開山挖隧道修路(lu),常規爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu)需要使用(yong)(yong)(yong)數(shu)以(yi)噸(dun)計的(de)炸(zha)(zha),炸(zha)(zha)的(de)威力十分(fen)巨大,但是在(zai)炸(zha)(zha)完之后,空氣中(zhong)全是煙塵(chen),根本無法進入,另外常規爆(bao)(bao)(bao)破(po)(po)(po)炸(zha)(zha)出來的(de)輪廓線(xian)凹凸不(bu)平,后期常常需要工(gong)人進一(yi)(yi)步修補輪廓線(xian)才能(neng)進行下(xia)一(yi)(yi)道工(gong)序,耗時耗力,那么有(you)沒有(you)其(qi)他的(de)方式比常規爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu)更(geng)好呢(ni)?2018年(nian)3月,央視(shi)報道了(le)一(yi)(yi)場(chang)隧道爆(bao)(bao)(bao)破(po)(po)(po)對比實驗,實驗采用(yong)(yong)(yong)兩種(zhong)爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu),滴喲中(zhong)是使用(yong)(yong)(yong)炸(zha)(zha)的(de)常規爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu),第二種(zhong)則(ze)是國人新發明的(de)聚能(neng)水壓光面(mian)爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu),隨著聲聲巨響,這場(chang)對比試驗的(de)結果超(chao)乎所有(you)人的(de)意(yi)料,聚能(neng)水壓爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)(shu)的(de)爆(bao)(bao)(bao)炸(zha)(zha)效果更(geng)好,而且爆(bao)(bao)(bao)破(po)(po)(po)產(chan)生的(de)水霧能(neng)將煙塵(chen)覆(fu)蓋,起到(dao)降塵(chen)的(de)作用(yong)(yong)(yong),這項爆(bao)(bao)(bao)破(po)(po)(po)新方式得(de)到(dao)了(le)觀眾們(men)的(de)認(ren)可(ke)。