我國(guo)20世紀60年代利用斷裂(lie)力學對(dui)巖石損(sun)傷引起的(de)(de)(de)裂(lie)紋擴展進(jin)(jin)行過試驗研究,為(wei)聚能(neng)(neng)爆(bao)破技術應(ying)用到工(gong)(gong)程做了不少理論分析,也取得一些進(jin)(jin)展。80年代中(zhong)期開始進(jin)(jin)行應(ying)用研究,以北(bei)京礦(kuang)業學院為(wei)代表,著(zhu)重研究了聚能(neng)(neng)藥(yao)(yao)包切割饑理和應(ying)用。1987年淮南礦(kuang)業學院取得“雙面切割器”的(de)(de)(de)zhuanli,1995年又取得“大理石花崗巖切割技術應(ying)用”zhuanli。1991年中(zhong)國(guo)水電七局曾試圖采用硬質紙加工(gong)(gong)聚能(neng)(neng)藥(yao)(yao)管成形(xing)聚能(neng)(neng)藥(yao)(yao)卷做過聚能(neng)(neng)預裂(lie)爆(bao)破試驗研究,但終因(yin)當時的(de)(de)(de)技術及工(gong)(gong)藝(yi)水平的(de)(de)(de)限制無法用于(yu)正常施工(gong)(gong),但是他們開了橢(tuo)圓雙極線性聚能(neng)(neng)結構試驗的(de)(de)(de)先(xian)河(he)。雙聚能(neng)(neng)預裂(lie)與(yu)光面爆(bao)破綜(zong)合(he)技術開創輪廓控(kong)制爆(bao)破新時代。
的(de)(de)(de)軍事應(ying)用(yong)(yong)(yong):聚能(neng)爆(bao)破(po)技(ji)術(shu),早在二(er)次(ci)世界大(da)戰期間就在軍事方面廣泛應(ying)用(yong)(yong)(yong)。國內在聚能(neng)破(po)甲技(ji)術(shu)如大(da)錐(zhui)角反艦導彈(dan)戰斗部(bu)和大(da)錐(zhui)角反坦克地雷(lei)以及(ji)敏感彈(dan)戰斗部(bu)等方面取得了(le)(le)較為(wei)快速的(de)(de)(de)發展,我(wo)國20世紀60年(nian)(nian)(nian)代打破(po)國外技(ji)術(shu)封鎖獨立(li)自主(zhu)研(yan)發成功原子(zi)彈(dan)就是得力于(yu)聚能(neng)爆(bao)破(po)技(ji)術(shu)轟(hong)擊核(he)裝置而引爆(bao)原子(zi)彈(dan)。的(de)(de)(de)民爆(bao)應(ying)用(yong)(yong)(yong)——切槽爆(bao)破(po)技(ji)術(shu):聚能(neng)爆(bao)破(po)用(yong)(yong)(yong)于(yu)工程(cheng)建設也(ye)是20世紀60年(nian)(nian)(nian)代開(kai)始(shi)的(de)(de)(de),首先是瑞典的(de)(de)(de)U﹒Langefors提出孔壁切槽爆(bao)破(po)利用(yong)(yong)(yong)槽口應(ying)力集中(zhong)定向(xiang)開(kai)裂的(de)(de)(de)設想,后經W﹒L﹒Fourney驗證(zheng)是有效的(de)(de)(de)。70年(nian)(nian)(nian)代國外廣泛研(yan)究(jiu)和應(ying)用(yong)(yong)(yong)了(le)(le)切槽爆(bao)破(po)技(ji)術(shu)。
光面爆(bao)破技術(shu)優勢(shi):相對(dui)于傳(chuan)統(tong)爆(bao)破工(gong)藝,聚能管(guan)(guan)(guan)光面爆(bao)破比常規爆(bao)破具(ju)有以下優勢(shi)∶少(shao)打眼,少(shao)裝(zhuang)藥。節(jie)約(yue)周(zhou)邊鉆(zhan)孔量50%,總鉆(zhan)孔進尺(chi)減(jian)(jian)少(shao)30%;節(jie)約(yue)炸藥10~20%,雷(lei)管(guan)(guan)(guan)30%。節(jie)約(yue)噴(pen)漿料(liao)15-20%。節(jie)省(sheng)時間∶每循環(huan)鉆(zhan)孔、裝(zhuang)藥、噴(pen)漿時間1.5-2.0小時。在安全(quan)方面利用水沙袋(dai)替代炮(pao)(pao)泥,以避免搗炮(pao)(pao)泥損毀(hui)電雷(lei)管(guan)(guan)(guan)導線,造成(cheng)瞎炮(pao)(pao)。大(da)(da)大(da)(da)減(jian)(jian)少(shao)對(dui)圍巖(yan)擾動(dong),光面效(xiao)果好(hao),巖(yan)性條件差情況下可以大(da)(da)大(da)(da)減(jian)(jian)少(shao)超挖量,控制巷(xiang)道成(cheng)型(xing);巖(yan)性完整無節(jie)理情況下眼痕率可以達到90%以上,巷(xiang)道成(cheng)型(xing)好(hao),穩定性強。布孔方式優化成(cheng)多排掏槽布孔,單次掘進深度可以優化提高(gao)10%到15%不等。由于炮(pao)(pao)孔數量大(da)(da)大(da)(da)減(jian)(jian)少(shao)可以考慮一起全(quan)斷面起爆(bao),節(jie)省(sheng)放炮(pao)(pao)時間。
水壓光面爆破技術基礎上發展起來的一項新技術,其掏槽眼、輔助眼裝藥結構和爆破方式與水壓光面爆破相同,但在周邊眼中安裝專用線性聚能藥管替代常規爆破藥卷和傳爆線,利用線性聚能藥管產生的粒子射流動能、高壓爆破氣體應力及“氣楔”作用,形成平整圓順的開挖輪廓面,對控制超欠挖具有良好效果,有效提升了隧道施工質量、進度和經濟效益。專用爆破聚能管水壓光面爆破較水壓光面爆破,在周邊眼單循環火工品使用量上節約費用8.3%,周邊眼鉆孔數量從39個下降為23個費用節約41%,混凝土噴射每延米節約1.37立方米。聚能水壓光面爆破比水壓光面爆破每循環節約費用258.4元,即每延米節約76較元,節約費用比例達32%。此外,專用爆破聚能管聚(ju)能水壓光面爆破能有(you)效(xiao)降低隧道內石渣塊度和粉塵含量,還(huan)可(ke)使通風(feng)時間有(you)效(xiao)縮(suo)短(duan)33%。
水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)較(jiao)水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po),在周邊眼單循(xun)環火工(gong)(gong)(gong)品(pin)使用(yong)(yong)量(liang)上節(jie)(jie)約(yue)(yue)費(fei)用(yong)(yong)8.3%,周邊眼鉆孔數量(liang)從39個(ge)下(xia)降(jiang)為23個(ge)費(fei)用(yong)(yong)節(jie)(jie)約(yue)(yue)41%,混(hun)凝(ning)土噴射每延米節(jie)(jie)約(yue)(yue)1.37立方米。水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)比水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)每循(xun)環節(jie)(jie)約(yue)(yue)費(fei)用(yong)(yong)258.4元,即每延米節(jie)(jie)約(yue)(yue)76較(jiao)元,節(jie)(jie)約(yue)(yue)費(fei)用(yong)(yong)比例達32%。此外,聚能(neng)(neng)(neng)管(guan)(guan)(guan)水(shui)壓(ya)(ya)(ya)(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)能(neng)(neng)(neng)有效降(jiang)低(di)隧道(dao)內石渣塊度和粉塵含量(liang),還可使通風時間有效縮短33%。聚能(neng)(neng)(neng)管(guan)(guan)(guan)光(guang)面(mian)(mian)爆(bao)(bao)破(po)工(gong)(gong)(gong)藝技(ji)術(shu)很(hen)(hen)成(cheng)熟、可操(cao)作性很(hen)(hen)強、材料成(cheng)本很(hen)(hen)低(di)、施工(gong)(gong)(gong)速度很(hen)(hen)快(kuai)、節(jie)(jie)能(neng)(neng)(neng)環保效果很(hen)(hen)顯著、經濟(ji)效益社會效益很(hen)(hen)高。聚能(neng)(neng)(neng)管(guan)(guan)(guan)定(ding)向(xiang)爆(bao)(bao)破(po)技(ji)術(shu)是(shi)近幾年發展(zhan)起來(lai)的一(yi)(yi)項掘進(jin)新技(ji)術(shu),這種爆(bao)(bao)破(po)技(ji)術(shu)與(yu)傳統的光(guang)面(mian)(mian)爆(bao)(bao)破(po)技(ji)術(shu)有一(yi)(yi)定(ding)的差別,聚能(neng)(neng)(neng)管(guan)(guan)(guan)定(ding)向(xiang)爆(bao)(bao)破(po)原理是(shi)在巷道(dao)周邊眼中,將炸裝在聚能(neng)(neng)(neng)管(guan)(guan)(guan)中起爆(bao)(bao),爆(bao)(bao)破(po)時利用(yong)(yong)聚能(neng)(neng)(neng)管(guan)(guan)(guan)的聚能(neng)(neng)(neng)作用(yong)(yong),以減少(shao)裂(lie)隙(xi)的數量(liang)和控制優勢裂(lie)隙(xi)的發展(zhan)方向(xiang)。
一(yi)(yi)、查驗(yan)生產(chan)(chan)企(qi)(qi)業(ye)(ye)(ye)(ye)資質(zhi):1、經(jing)過(guo)歷年(nian)年(nian)審(shen)的(de)(de)(de)法人(ren)營業(ye)(ye)(ye)(ye)執照(zhao):一(yi)(yi)般(ban)情況下,個(ge)體(ti)(ti)工(gong)商戶、個(ge)人(ren)獨(du)資企(qi)(qi)業(ye)(ye)(ye)(ye)注冊(ce)資金(jin)低于人(ren)民幣(bi)五十萬元的(de)(de)(de)即可(ke)認(ren)定為(wei)(wei)家庭作坊式廠(chang)家。2、具(ju)(ju)(ju)備(bei)一(yi)(yi)般(ban)納稅(shui)(shui)人(ren)資格的(de)(de)(de)稅(shui)(shui)務(wu)(wu)(wu)登(deng)記證(zheng)(zheng)(zheng):企(qi)(qi)業(ye)(ye)(ye)(ye)產(chan)(chan)品(pin)(pin)(pin)年(nian)度銷售額(e)達到(dao)或超過(guo)一(yi)(yi)定金(jin)額(e)(以稅(shui)(shui)務(wu)(wu)(wu)發票開具(ju)(ju)(ju)數額(e)為(wei)(wei)準)并經(jing)主管稅(shui)(shui)務(wu)(wu)(wu)機關(guan)核準、具(ju)(ju)(ju)備(bei)獨(du)立的(de)(de)(de)開票場所(suo)、專職會計(ji)及(ji)相應的(de)(de)(de)辦(ban)稅(shui)(shui)機具(ju)(ju)(ju)才能(neng)升級為(wei)(wei)一(yi)(yi)般(ban)納稅(shui)(shui)人(ren)企(qi)(qi)業(ye)(ye)(ye)(ye)。3、經(jing)過(guo)歷年(nian)年(nian)審(shen)的(de)(de)(de)組織(zhi)機構代碼證(zheng)(zheng)(zheng):組織(zhi)機構代碼證(zheng)(zheng)(zheng)是(shi)中(zhong)華人(ren)民共和國(guo)境(jing)內始終不變的(de)(de)(de)法定代碼標識,未(wei)經(jing)年(nian)度審(shen)驗(yan)的(de)(de)(de),可(ke)視為(wei)(wei)非法機構。4、國(guo)家強制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:一(yi)(yi)般(ban)情況下,所(suo)有(you)的(de)(de)(de)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜生產(chan)(chan)企(qi)(qi)業(ye)(ye)(ye)(ye)只要生產(chan)(chan)國(guo)家強制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認(ren)證(zheng)(zheng)(zheng)范(fan)圍內產(chan)(chan)品(pin)(pin)(pin)的(de)(de)(de)必須通過(guo)國(guo)家強制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認(ren)證(zheng)(zheng)(zheng)(CCC)。依(yi)基(ji)本(ben)常(chang)識判斷,既然單位名(ming)稱為(wei)(wei)“xxx電(dian)(dian)(dian)線廠(chang)”“xxx線纜廠(chang)”,其(qi)產(chan)(chan)品(pin)(pin)(pin)未(wei)通過(guo)或從未(wei)通過(guo)國(guo)家強制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認(ren)證(zheng)(zheng)(zheng),證(zheng)(zheng)(zheng)明其(qi)硬件(jian)、軟件(jian)設施及(ji)人(ren)員配備(bei)根(gen)本(ben)達不到(dao)一(yi)(yi)個(ge)合格的(de)(de)(de)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜生產(chan)(chan)廠(chang)家應具(ju)(ju)(ju)備(bei)的(de)(de)(de)條件(jian)。5、國(guo)際(ji)質(zhi)量(liang)體(ti)(ti)系認(ren)證(zheng)(zheng)(zheng)證(zheng)(zheng)(zheng)書:ISO國(guo)際(ji)質(zhi)量(liang)體(ti)(ti)系認(ren)證(zheng)(zheng)(zheng)是(shi)一(yi)(yi)個(ge)企(qi)(qi)業(ye)(ye)(ye)(ye)整體(ti)(ti)素質(zhi)、產(chan)(chan)品(pin)(pin)(pin)質(zhi)量(liang)管理水(shui)平以及(ji)服務(wu)(wu)(wu)水(shui)平的(de)(de)(de)標志。6、開戶許可(ke)證(zheng)(zheng)(zheng)。