各種爆破、爆破器材銷毀以及爆破器材意外爆炸時,爆破源與人員和其他保護對象之間的安全距離稱為爆破安全距離。爆破安全距離應取各種爆破效應(地震、沖擊波、飛石、有毒氣體等)分別核定的大值。專業o型聚能管爆破時,必然產生爆破地震、空氣沖擊波、碎石飛散及有害氣體,因此,爆破設計時必須確定爆破危害范圍,并確定爆點到附近人員、設備、建筑物及井巷等的安全,這一段距離就稱為爆破安全距離。專業o型聚能管如何控制(zhi)好這(zhe)段距離(li)(li)就顯(xian)的尤為(wei)(wei)重要(yao)。為(wei)(wei)保證爆(bao)(bao)破(po)(po)安(an)(an)全(quan)(quan),爆(bao)(bao)破(po)(po)地(di)點與人員(yuan)或其他應保護對象之間必須保持短(duan)的相隔長(chang)度(du)。爆(bao)(bao)破(po)(po)有害(hai)效應隨距離(li)(li)的增(zeng)加有規(gui)律地(di)衰減,用距離(li)(li)作為(wei)(wei)安(an)(an)全(quan)(quan)尺度(du)可(ke)限定(ding)爆(bao)(bao)破(po)(po)有害(hai)效應在允許限度(du)之內(nei)。中國《爆(bao)(bao)破(po)(po)安(an)(an)全(quan)(quan)規(gui)程(cheng)》規(gui)定(ding)了爆(bao)(bao)破(po)(po)地(di)震安(an)(an)全(quan)(quan)距離(li)(li),個別飛散物安(an)(an)全(quan)(quan)距離(li)(li),以及爆(bao)(bao)炸沖(chong)擊波的安(an)(an)全(quan)(quan)距離(li)(li)。
是由管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)、前(qian)錐形(xing)定(ding)格(ge)(ge)帽(mao)(mao)、后(hou)(hou)定(ding)格(ge)(ge)堵(du)構成,管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)為塑性材料制成,呈管(guan)(guan)(guan)狀,管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)(wai)徑(jing)小(xiao)于(yu)(yu)正常炮(pao)(pao)眼(yan)內(nei)徑(jing),長度可隨爆(bao)破需(xu)(xu)要生產(chan),管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)兩端(duan)(duan)各有(you)外(wai)(wai)螺紋(wen),兩端(duan)(duan)外(wai)(wai)螺紋(wen)間有(you)一(yi)縱向切縫,切縫間等(deng)距有(you)加強筋,前(qian)錐形(xing)定(ding)格(ge)(ge)帽(mao)(mao)呈傘(san)狀,傘(san)形(xing)尖有(you)一(yi)光孔,兩側直壁(bi)內(nei)徑(jing)有(you)螺紋(wen),與(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)(wai)徑(jing)前(qian)端(duan)(duan)螺紋(wen)配(pei)(pei)合(he),帽(mao)(mao)體(ti)(ti)(ti)(ti)外(wai)(wai)徑(jing)大(da)于(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti),后(hou)(hou)定(ding)格(ge)(ge)堵(du)為一(yi)封蓋,外(wai)(wai)徑(jing)直徑(jing)大(da)于(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)(wai)徑(jing),與(yu)(yu)前(qian)錐形(xing)定(ding)格(ge)(ge)帽(mao)(mao)外(wai)(wai)徑(jing)一(yi)致,后(hou)(hou)定(ding)格(ge)(ge)堵(du)內(nei)徑(jing)有(you)螺紋(wen),與(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)(wai)徑(jing)后(hou)(hou)端(duan)(duan)螺紋(wen)配(pei)(pei)合(he)。可根(gen)據(ju)炮(pao)(pao)眼(yan)深度采(cai)用合(he)適(shi)的(de)聚(ju)(ju)能管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti),不需(xu)(xu)其他工具(ju)幫(bang)助送入炮(pao)(pao)眼(yan),切縫方(fang)向準確(que),兩端(duan)(duan)的(de)前(qian)錐形(xing)定(ding)格(ge)(ge)帽(mao)(mao)和后(hou)(hou)定(ding)格(ge)(ge)堵(du)外(wai)(wai)徑(jing)與(yu)(yu)炮(pao)(pao)眼(yan)內(nei)徑(jing)一(yi)致,保證聚(ju)(ju)能管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)(ti)(ti)同心,定(ding)向準確(que)。且利(li)于(yu)(yu)工業(ye)化生產(chan),作業(ye)安(an)全
水(shui)(shui)壓(ya)爆(bao)(bao)破(po)(po)(po)(po)是在(zai)炮(pao)孔(kong)(kong)兩(liang)(liang)端填充水(shui)(shui)袋,中間(jian)(jian)裝上乳化炸,炮(pao)孔(kong)(kong)再用(yong)炮(pao)泥封死,炮(pao)孔(kong)(kong)間(jian)(jian)距(ju)(ju)很大,兩(liang)(liang)個炮(pao)空之間(jian)(jian)相距(ju)(ju)了一米(mi)(mi)左右,是常規爆(bao)(bao)破(po)(po)(po)(po)的(de)炮(pao)孔(kong)(kong)間(jian)(jian)距(ju)(ju)的(de)兩(liang)(liang)倍(bei),這樣(yang)可(ke)以節(jie)(jie)(jie)省(sheng)炮(pao)孔(kong)(kong)材料,這兩(liang)(liang)個凹槽又稱為(wei)聚能(neng)(neng)槽,聚能(neng)(neng)槽非常重(zhong)要(yao),放置的(de)位置和方向都十分講究,一點也不能(neng)(neng)出錯,在(zai)爆(bao)(bao)破(po)(po)(po)(po)的(de)瞬間(jian)(jian),高溫高壓(ya)聚能(neng)(neng)射流立(li)即往凹槽兩(liang)(liang)邊的(de)巖(yan)石進行切(qie)割(ge),巖(yan)石如同豆腐(fu)一樣(yang)輕松被切(qie)割(ge)切(qie)割(ge)出來的(de)輪廓線(xian)十分平順,效果(guo)極好,聚能(neng)(neng)水(shui)(shui)壓(ya)爆(bao)(bao)破(po)(po)(po)(po)中的(de)水(shui)(shui)袋沒有降(jiang)(jiang)(jiang)低爆(bao)(bao)破(po)(po)(po)(po)的(de)效果(guo),反而能(neng)(neng)保護隧道周(zhou)邊植(zhi)被,減少(shao)地質擾動(dong),降(jiang)(jiang)(jiang)低煙塵,重(zhong)要(yao)的(de)是節(jie)(jie)(jie)省(sheng)炸成(cheng)(cheng)本(ben),在(zai)未來這項(xiang)技術會廣泛應用(yong)于工程中,降(jiang)(jiang)(jiang)低施(shi)工成(cheng)(cheng)本(ben)。爆(bao)(bao)破(po)(po)(po)(po)聚能(neng)(neng)管水(shui)(shui)壓(ya)光面爆(bao)(bao)破(po)(po)(po)(po)較水(shui)(shui)壓(ya)光面爆(bao)(bao)破(po)(po)(po)(po),在(zai)周(zhou)邊眼單循(xun)環(huan)火工品(pin)使用(yong)量(liang)上節(jie)(jie)(jie)約費(fei)用(yong)8.3%,周(zhou)邊眼鉆孔(kong)(kong)數量(liang)從39個下(xia)降(jiang)(jiang)(jiang)為(wei)23個費(fei)用(yong)節(jie)(jie)(jie)約41%,混凝土噴射每(mei)延米(mi)(mi)節(jie)(jie)(jie)約1.37立(li)方米(mi)(mi)。
預(yu)(yu)(yu)裂(lie)(lie)與(yu)光(guang)面(mian)(mian)爆(bao)破(po)(po)技(ji)術的(de)(de)歷(li)史(shi)與(yu)現(xian)狀(zhuang):預(yu)(yu)(yu)裂(lie)(lie)爆(bao)破(po)(po)是沿設計開(kai)挖邊(bian)(bian)界布置密集炮孔(kong)(kong),采(cai)取不耦(ou)合裝(zhuang)藥(yao)(yao)或裝(zhuang)填(tian)低威(wei)力炸藥(yao)(yao),在(zai)(zai)主(zhu)(zhu)爆(bao)區之(zhi)前起爆(bao),從而在(zai)(zai)爆(bao)區與(yu)保留區之(zhi)間形(xing)成(cheng)(cheng)預(yu)(yu)(yu)裂(lie)(lie)縫,以減(jian)弱主(zhu)(zhu)爆(bao)破(po)(po)對保留巖體的(de)(de)破(po)(po)壞(huai)并形(xing)成(cheng)(cheng)平(ping)(ping)整(zheng)輪(lun)廓面(mian)(mian)的(de)(de)爆(bao)破(po)(po)作業(ye)(ye)。光(guang)面(mian)(mian)爆(bao)破(po)(po)是沿設計開(kai)挖邊(bian)(bian)界布設密集炮孔(kong)(kong),采(cai)用不耦(ou)合裝(zhuang)藥(yao)(yao)或裝(zhuang)填(tian)低威(wei)力炸藥(yao)(yao),在(zai)(zai)主(zhu)(zhu)爆(bao)區爆(bao)破(po)(po)之(zhi)后(hou)起爆(bao)的(de)(de)以形(xing)成(cheng)(cheng)平(ping)(ping)整(zheng)的(de)(de)開(kai)挖輪(lun)廓面(mian)(mian)的(de)(de)爆(bao)破(po)(po)作業(ye)(ye)。爆(bao)破(po)(po)技(ji)術的(de)(de)發(fa)展是先(xian)出現(xian)光(guang)面(mian)(mian)爆(bao)破(po)(po),然后(hou)衍(yan)生發(fa)展為預(yu)(yu)(yu)裂(lie)(lie)爆(bao)破(po)(po)。聚能(neng)管國(guo)內歷(li)史(shi)與(yu)現(xian)狀(zhuang),我國(guo)于1964~1965年(nian)在(zai)(zai)湖北陸水水電站施工(gong)中(zhong)(zhong)做(zuo)過淺孔(kong)(kong)預(yu)(yu)(yu)裂(lie)(lie)爆(bao)破(po)(po)試(shi)驗,1965年(nian)鐵道(dao)部門在(zai)(zai)成(cheng)(cheng)昆鐵路(lu)(lu)建設中(zhong)(zhong)開(kai)始試(shi)驗光(guang)面(mian)(mian)爆(bao)破(po)(po),1977年(nian)在(zai)(zai)西延(yan)線張家(jia)船工(gong)點,全長近200m的(de)(de)2000m2路(lu)(lu)塹邊(bian)(bian)坡(po)全部采(cai)用光(guang)面(mian)(mian)爆(bao)破(po)(po),爆(bao)破(po)(po)后(hou)邊(bian)(bian)坡(po)平(ping)(ping)整(zheng)穩(wen)定,殘留的(de)(de)半孔(kong)(kong)清晰可(ke)見,是鐵路(lu)(lu)建設中(zhong)(zhong)采(cai)用路(lu)(lu)塹光(guang)面(mian)(mian)爆(bao)破(po)(po)。