采用一種(zhong)抗(kang)靜電阻燃的(de)(de)特(te)種(zhong)塑料管(guan)、異形雙槽(cao)(cao)聚(ju)能(neng)(neng)管(guan),根據炮眼(yan)(yan)深度可長可短。是(shi)兩個(ge)相似半(ban)壁管(guan)組成,半(ban)壁管(guan)中央有個(ge)凹進去的(de)(de)槽(cao)(cao)叫做'聚(ju)能(neng)(neng)槽(cao)(cao)",使用聚(ju)能(neng)(neng)管(guan)光面(mian)爆破成型效果好(hao),開挖(wa)輪廓線平順整齊,圍巖(yan)擾(rao)動減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)、超欠挖(wa)明顯(xian)改善(shan),有利于支(zhi)護工(gong)序(xu)施工(gong),同時混(hun)凝土回(hui)填(tian)成本(ben)大(da)為降(jiang)低(di)。鑿孔率(lv)減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)30%,大(da)大(da)降(jiang)低(di)了爆破作業工(gong)班的(de)(de)勞(lao)動量(liang):鉆孔縮短30分鐘、少(shao)(shao)(shao)(shao)打眼(yan)(yan)、出渣量(liang)減(jian)(jian)(jian)少(shao)(shao)(shao)(shao),降(jiang)低(di)了材料成本(ben)、減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)工(gong)時消耗、勞(lao)動效率(lv)明顯(xian)提(ti)高(gao),周邊(bian)眼(yan)(yan)爆破成本(ben)降(jiang)低(di)30%以(yi)上,半(ban)眼(yan)(yan)痕保留(liu)率(lv)高(gao)達85%以(yi)上。pvc爆破聚(ju)能(neng)(neng)管(guan)主要應用于隧道、煤(mei)礦、鐵礦等需要進行光面(mian)爆破施工(gong)的(de)(de)工(gong)程(cheng)。采用聚(ju)能(neng)(neng)管(guan)的(de)(de)光面(mian)爆破可減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)鉆孔,擴大(da)孔距,減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)導爆管(guan)用量(liang),減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)超挖(wa),減(jian)(jian)(jian)少(shao)(shao)(shao)(shao)噴漿,提(ti)高(gao)半(ban)孔率(lv),既(ji)節省(sheng)了成本(ben)又提(ti)高(gao)了施工(gong)效率(lv)。
預(yu)裂與光面(mian)(mian)爆(bao)(bao)(bao)破(po)技(ji)術的(de)(de)(de)歷史與現(xian)狀:預(yu)裂爆(bao)(bao)(bao)破(po)是沿設計開挖邊(bian)界(jie)布置密(mi)集炮孔,采(cai)取不(bu)(bu)耦(ou)合裝藥(yao)或裝填低(di)威力炸(zha)藥(yao),在(zai)(zai)(zai)(zai)主(zhu)爆(bao)(bao)(bao)區(qu)(qu)之前(qian)起(qi)爆(bao)(bao)(bao),從而在(zai)(zai)(zai)(zai)爆(bao)(bao)(bao)區(qu)(qu)與保留區(qu)(qu)之間形(xing)成預(yu)裂縫,以減(jian)弱主(zhu)爆(bao)(bao)(bao)破(po)對保留巖(yan)體(ti)的(de)(de)(de)破(po)壞并形(xing)成平(ping)整(zheng)輪(lun)廓面(mian)(mian)的(de)(de)(de)爆(bao)(bao)(bao)破(po)作業。光面(mian)(mian)爆(bao)(bao)(bao)破(po)是沿設計開挖邊(bian)界(jie)布設密(mi)集炮孔,采(cai)用(yong)不(bu)(bu)耦(ou)合裝藥(yao)或裝填低(di)威力炸(zha)藥(yao),在(zai)(zai)(zai)(zai)主(zhu)爆(bao)(bao)(bao)區(qu)(qu)爆(bao)(bao)(bao)破(po)之后起(qi)爆(bao)(bao)(bao)的(de)(de)(de)以形(xing)成平(ping)整(zheng)的(de)(de)(de)開挖輪(lun)廓面(mian)(mian)的(de)(de)(de)爆(bao)(bao)(bao)破(po)作業。爆(bao)(bao)(bao)破(po)技(ji)術的(de)(de)(de)發(fa)(fa)展是先出現(xian)光面(mian)(mian)爆(bao)(bao)(bao)破(po),然后衍生發(fa)(fa)展為預(yu)裂爆(bao)(bao)(bao)破(po)。聚能管國內歷史與現(xian)狀,我國于(yu)1964~1965年(nian)(nian)在(zai)(zai)(zai)(zai)湖北陸水水電站施工(gong)中做(zuo)過淺孔預(yu)裂爆(bao)(bao)(bao)破(po)試(shi)驗,1965年(nian)(nian)鐵道(dao)部門在(zai)(zai)(zai)(zai)成昆鐵路(lu)建設中開始試(shi)驗光面(mian)(mian)爆(bao)(bao)(bao)破(po),1977年(nian)(nian)在(zai)(zai)(zai)(zai)西延線張(zhang)家船工(gong)點,全長近200m的(de)(de)(de)2000m2路(lu)塹(qian)邊(bian)坡(po)(po)全部采(cai)用(yong)光面(mian)(mian)爆(bao)(bao)(bao)破(po),爆(bao)(bao)(bao)破(po)后邊(bian)坡(po)(po)平(ping)整(zheng)穩(wen)定,殘留的(de)(de)(de)半(ban)孔清(qing)晰可見(jian),是鐵路(lu)建設中采(cai)用(yong)路(lu)塹(qian)光面(mian)(mian)爆(bao)(bao)(bao)破(po)。
1、先試探性的咨詢制造商銷售人員:您要訂爆破線產品的型號中字母表示意思;規格中的數字表示意思;執行標準中的字母及數字的表示意思。如果制造商銷售人員回答時支支吾吾、一知半解甚至一無所知,可想而知,其生產的產品質量如何。2、礦用型聚能管廠家任何一種產品都有其適用范圍和一定的使用環境。咨詢您要訂爆破線產品的性能、具體使用辦法、使用環境要求。如果制造商銷售人員給您的答復與您的要求不一致,亳州礦用型聚能管應判(pan)定為:爆破(po)線制造商(shang)生產(chan)的(de)產(chan)品型號(hao)規(gui)格(ge)單一或者(zhe)其生產(chan)的(de)產(chan)品只是對其他廠商(shang)產(chan)品的(de)簡單模仿。3、正(zheng)規(gui)產(chan)品都有(you)其科(ke)學(xue)的(de)生產(chan)工藝和流程(cheng)。原材料(liao)合格(ge)供應商(shang)的(de)選擇評定→原材料(liao)購進、運(yun)輸、儲存、保管(guan)→生產(chan)過程(cheng)質量控制→不合格(ge)品的(de)處置及糾正(zheng)措施→運(yun)輸交付→售(shou)后服(fu)務(wu)均有(you)嚴(yan)格(ge)的(de)操作規(gui)程(cheng)。咨(zi)詢爆破(po)線制造商(shang)銷(xiao)售(shou)人員任何一個(ge)節點,就可知其是否有(you)能力(li)(生產(chan)管(guan)理水平(ping)、專業設備(bei)及過程(cheng)檢(jian)測(ce)設備(bei))生產(chan)出合格(ge)產(chan)品。
我國(guo)于1983年(nian)制定(ding)了(le)《水(shui)工(gong)(gong)(gong)建(jian)筑物(wu)巖行基(ji)(ji)(ji)礎開挖(wa)工(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)規(gui)(gui)范》(sD 121l一1983)。自此(ci),在(zai)水(shui)利水(shui)電建(jian)設(she)中預(yu)裂(lie)爆(bao)破(po)(po)與(yu)光面(mian)爆(bao)破(po)(po)已成為必須進(jin)行的(de)(de)(de)保護邊(bian)(bian)坡質量的(de)(de)(de)爆(bao)破(po)(po)開挖(wa)技(ji)(ji)(ji)術(shu)措(cuo)施(shi)(shi)。此(ci)后在(zai)此(ci)基(ji)(ji)(ji)礎上修(xiu)訂的(de)(de)(de)《水(shui)工(gong)(gong)(gong)建(jian)筑物(wu)巖石(shi)基(ji)(ji)(ji)礎開挖(wa)工(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)規(gui)(gui)范》(SL 47一1994)以(yi)及在(zai)《水(shui)電水(shui)利爆(bao)破(po)(po)工(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)規(gui)(gui)范》(DL/T 5135—2001)和《水(shui)工(gong)(gong)(gong)建(jian)筑物(wu)巖石(shi)基(ji)(ji)(ji)礎開挖(wa)工(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)規(gui)(gui)范》(DL/T 5389~2007)中預(yu)裂(lie)爆(bao)破(po)(po)與(yu)光面(mian)爆(bao)破(po)(po)均被編入并有所改進(jin),DL/T 5135—2001正在(zai)修(xiu)編為DL/T 5135—2012。鐵道部也不僅規(gui)(gui)定(ding)了(le)凡是Ⅲ級以(yi)上的(de)(de)(de)巖石(shi)邊(bian)(bian)坡,設(she)計邊(bian)(bian)坡坡度為1:0.1~1:0.75,在(zai)邊(bian)(bian)坡部位的(de)(de)(de)爆(bao)破(po)(po)設(she)計和施(shi)(shi)工(gong)(gong)(gong)都應(ying)采用(yong)光面(mian)爆(bao)破(po)(po)或預(yu)裂(lie)爆(bao)破(po)(po),并闡述(shu)了(le)光面(mian)(預(yu)裂(lie))爆(bao)破(po)(po)施(shi)(shi)工(gong)(gong)(gong)技(ji)(ji)(ji)術(shu)設(she)計的(de)(de)(de)原則和參數(shu)(shu)、安全措(cuo)施(shi)(shi),而(er)且還明(ming)確了(le)路塹邊(bian)(bian)坡光面(mian)(預(yu)裂(lie))爆(bao)破(po)(po)項(xiang)目質量驗收(shou)檢測(ce)數(shu)(shu)量和檢測(ce)方法。無疑(yi)該規(gui)(gui)程(cheng)的(de)(de)(de)實施(shi)(shi),有力(li)地推動和促(cu)進(jin)了(le)光面(mian)(預(yu)裂(lie))爆(bao)破(po)(po)技(ji)(ji)(ji)術(shu)在(zai)鐵路建(jian)設(she)中的(de)(de)(de)應(ying)用(yong)與(yu)發展。
光面(mian)爆破(po)技術優勢:相對于傳統爆破(po)工藝(yi),聚(ju)能管(guan)光面(mian)爆破(po)比常規爆破(po)具有以(yi)下優勢∶少打眼,少裝藥。節(jie)(jie)(jie)(jie)約周邊鉆(zhan)孔(kong)量(liang)(liang)50%,總鉆(zhan)孔(kong)進(jin)尺(chi)減(jian)(jian)少30%;節(jie)(jie)(jie)(jie)約炸藥10~20%,雷管(guan)30%。節(jie)(jie)(jie)(jie)約噴(pen)漿料(liao)15-20%。節(jie)(jie)(jie)(jie)省(sheng)時(shi)間∶每循環鉆(zhan)孔(kong)、裝藥、噴(pen)漿時(shi)間1.5-2.0小(xiao)時(shi)。在安全方面(mian)利用水沙袋替代炮(pao)泥,以(yi)避免搗炮(pao)泥損毀電(dian)雷管(guan)導線,造成瞎炮(pao)。大(da)(da)大(da)(da)減(jian)(jian)少對圍巖擾動,光面(mian)效(xiao)果好,巖性條件差情況(kuang)下可(ke)(ke)以(yi)大(da)(da)大(da)(da)減(jian)(jian)少超挖量(liang)(liang),控制巷(xiang)道成型;巖性完整無節(jie)(jie)(jie)(jie)理情況(kuang)下眼痕率(lv)可(ke)(ke)以(yi)達到90%以(yi)上,巷(xiang)道成型好,穩(wen)定性強(qiang)。布孔(kong)方式優化成多排(pai)掏槽布孔(kong),單次掘進(jin)深度(du)可(ke)(ke)以(yi)優化提高(gao)10%到15%不等。由于炮(pao)孔(kong)數量(liang)(liang)大(da)(da)大(da)(da)減(jian)(jian)少可(ke)(ke)以(yi)考慮一起全斷面(mian)起爆,節(jie)(jie)(jie)(jie)省(sheng)放炮(pao)時(shi)間。