是(shi)由管(guan)(guan)(guan)體(ti)(ti)(ti)、前(qian)錐形(xing)(xing)定(ding)(ding)(ding)(ding)格(ge)(ge)帽(mao)、后定(ding)(ding)(ding)(ding)格(ge)(ge)堵(du)(du)構成(cheng)，管(guan)(guan)(guan)體(ti)(ti)(ti)為塑(su)性(xing)材料制成(cheng)，呈管(guan)(guan)(guan)狀，管(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)(wai)徑(jing)(jing)小于(yu)正常炮(pao)眼(yan)(yan)內(nei)徑(jing)(jing)，長(chang)度(du)可(ke)隨爆破需(xu)要生產，管(guan)(guan)(guan)體(ti)(ti)(ti)兩(liang)端(duan)(duan)(duan)各(ge)有(you)(you)外(wai)(wai)(wai)螺(luo)(luo)(luo)紋(wen)，兩(liang)端(duan)(duan)(duan)外(wai)(wai)(wai)螺(luo)(luo)(luo)紋(wen)間(jian)有(you)(you)一(yi)縱向切縫(feng)，切縫(feng)間(jian)等(deng)距有(you)(you)加強(qiang)筋，前(qian)錐形(xing)(xing)定(ding)(ding)(ding)(ding)格(ge)(ge)帽(mao)呈傘狀，傘形(xing)(xing)尖有(you)(you)一(yi)光孔，兩(liang)側(ce)直壁內(nei)徑(jing)(jing)有(you)(you)螺(luo)(luo)(luo)紋(wen)，與(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)(wai)徑(jing)(jing)前(qian)端(duan)(duan)(duan)螺(luo)(luo)(luo)紋(wen)配(pei)合(he)(he)，帽(mao)體(ti)(ti)(ti)外(wai)(wai)(wai)徑(jing)(jing)大(da)于(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)，后定(ding)(ding)(ding)(ding)格(ge)(ge)堵(du)(du)為一(yi)封蓋(gai)，外(wai)(wai)(wai)徑(jing)(jing)直徑(jing)(jing)大(da)于(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)(wai)徑(jing)(jing)，與(yu)(yu)前(qian)錐形(xing)(xing)定(ding)(ding)(ding)(ding)格(ge)(ge)帽(mao)外(wai)(wai)(wai)徑(jing)(jing)一(yi)致，后定(ding)(ding)(ding)(ding)格(ge)(ge)堵(du)(du)內(nei)徑(jing)(jing)有(you)(you)螺(luo)(luo)(luo)紋(wen)，與(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)(wai)徑(jing)(jing)后端(duan)(duan)(duan)螺(luo)(luo)(luo)紋(wen)配(pei)合(he)(he)。可(ke)根據炮(pao)眼(yan)(yan)深度(du)采(cai)用合(he)(he)適的(de)聚能(neng)管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)(ti)，不需(xu)其他工具幫助(zhu)送入炮(pao)眼(yan)(yan)，切縫(feng)方向準確，兩(liang)端(duan)(duan)(duan)的(de)前(qian)錐形(xing)(xing)定(ding)(ding)(ding)(ding)格(ge)(ge)帽(mao)和后定(ding)(ding)(ding)(ding)格(ge)(ge)堵(du)(du)外(wai)(wai)(wai)徑(jing)(jing)與(yu)(yu)炮(pao)眼(yan)(yan)內(nei)徑(jing)(jing)一(yi)致，保證聚能(neng)管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)(ti)同心，定(ding)(ding)(ding)(ding)向準確。且利于(yu)工業化(hua)生產，作業安全(quan)

茂名雙向爆破聚能管不成功的事例是有的，如爆而不倒、實施定向爆破后沒有按爆破方案的方向倒塌等等。這些事例警示:從爆破設計、爆破器材質量、爆破施工到起爆網路連接等，只要有一個環節出現失誤，都將影響爆破工程的效果，乃至造成嚴重的后果。雙向爆破聚能管價格爆破作業無論是(shi)(shi)老舊建(jian)筑(zhu)物本身還是(shi)(shi)周(zhou)圍(wei)環境都十分(fen)復雜(za)，這不僅(jin)要求(qiu)(qiu)認真調查爆破體(ti)(ti)的(de)(de)(de)結構(包括(kuo)施(shi)工(gong)缺陷)，分(fen)析受(shou)力狀況，同時還要對(dui)采取技(ji)術(shu)措施(shi)(如預(yu)處理、嵌補(bu)、支撐等)的(de)(de)(de)可靠(kao)和(he)(he)安(an)全性(xing)進行分(fen)析，對(dui)可能出現的(de)(de)(de)意外(wai)情況，應(ying)預(yu)先(xian)制(zhi)定應(ying)急方案，努力避(bi)免安(an)全事故和(he)(he)不必要的(de)(de)(de)損失。工(gong)程(cheng)的(de)(de)(de)環保性(xing)越來(lai)越受(shou)到(dao)人們的(de)(de)(de)關注，同時，探索(suo)無公害的(de)(de)(de)拆除爆破技(ji)術(shu)，一(yi)直(zhi)是(shi)(shi)爆破工(gong)作者追求(qiu)(qiu)的(de)(de)(de)目標(biao)。設立(li)掩蔽體(ti)(ti)對(dui)物體(ti)(ti)加以保護，簡單(dan)的(de)(de)(de)辦法是(shi)(shi)用草袋(dai)、竹笆一(yi)類材(cai)料(liao)覆蓋在需要保護的(de)(de)(de)物體(ti)(ti)上(shang)面;對(dui)房屋和(he)(he)機器(qi)設備常要在迎面和(he)(he)頂部豎(shu)立(li)排架，用木板(ban)或荊笆上(shang)罩鐵(tie)絲網，抵御較多的(de)(de)(de)飛石和(he)(he)較強的(de)(de)(de)空(kong)氣沖(chong)擊波(bo)的(de)(de)(de)打擊;對(dui)某些重要工(gong)程(cheng)的(de)(de)(de)建(jian)筑(zhu)物打防震孔或者用預(yu)裂爆破將爆破區和(he)(he)被(bei)保護的(de)(de)(de)建(jian)筑(zhu)物或工(gong)程(cheng)設施(shi)隔離(li)開來(lai)。

我(wo)國于1983年制定了(le)《水(shui)工(gong)(gong)(gong)(gong)(gong)(gong)建筑(zhu)物巖行基礎開(kai)(kai)挖(wa)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)(gui)范(fan)(fan)》(sD 121l一(yi)1983)。自此(ci)，在水(shui)利水(shui)電建設(she)中預(yu)(yu)裂爆(bao)(bao)破(po)(po)(po)(po)(po)與(yu)(yu)光(guang)(guang)(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)(po)已成(cheng)為(wei)必須進(jin)行的(de)(de)(de)保(bao)護邊(bian)坡(po)(po)質(zhi)量(liang)的(de)(de)(de)爆(bao)(bao)破(po)(po)(po)(po)(po)開(kai)(kai)挖(wa)技(ji)(ji)術措(cuo)施。此(ci)后(hou)在此(ci)基礎上修訂的(de)(de)(de)《水(shui)工(gong)(gong)(gong)(gong)(gong)(gong)建筑(zhu)物巖石基礎開(kai)(kai)挖(wa)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)(gui)范(fan)(fan)》(SL 47一(yi)1994)以及在《水(shui)電水(shui)利爆(bao)(bao)破(po)(po)(po)(po)(po)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)(gui)范(fan)(fan)》(DL／T 5135—2001)和(he)(he)《水(shui)工(gong)(gong)(gong)(gong)(gong)(gong)建筑(zhu)物巖石基礎開(kai)(kai)挖(wa)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)(gui)范(fan)(fan)》(DL／T 5389～2007)中預(yu)(yu)裂爆(bao)(bao)破(po)(po)(po)(po)(po)與(yu)(yu)光(guang)(guang)(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)(po)均被編(bian)(bian)入(ru)并有所改(gai)進(jin)，DL／T 5135—2001正在修編(bian)(bian)為(wei)DL／T 5135—2012。鐵道部(bu)也不僅(jin)規(gui)(gui)(gui)定了(le)凡是Ⅲ級以上的(de)(de)(de)巖石邊(bian)坡(po)(po)，設(she)計(ji)邊(bian)坡(po)(po)坡(po)(po)度為(wei)1：0．1～1：0．75，在邊(bian)坡(po)(po)部(bu)位的(de)(de)(de)爆(bao)(bao)破(po)(po)(po)(po)(po)設(she)計(ji)和(he)(he)施工(gong)(gong)(gong)(gong)(gong)(gong)都應采(cai)用光(guang)(guang)(guang)面(mian)爆(bao)(bao)破(po)(po)(po)(po)(po)或預(yu)(yu)裂爆(bao)(bao)破(po)(po)(po)(po)(po)，并闡述(shu)了(le)光(guang)(guang)(guang)面(mian)(預(yu)(yu)裂)爆(bao)(bao)破(po)(po)(po)(po)(po)施工(gong)(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術設(she)計(ji)的(de)(de)(de)原則(ze)和(he)(he)參數(shu)、安(an)全(quan)措(cuo)施，而(er)且(qie)還(huan)明(ming)確(que)了(le)路(lu)塹邊(bian)坡(po)(po)光(guang)(guang)(guang)面(mian)(預(yu)(yu)裂)爆(bao)(bao)破(po)(po)(po)(po)(po)項(xiang)目質(zhi)量(liang)驗收檢(jian)測數(shu)量(liang)和(he)(he)檢(jian)測方(fang)法。無(wu)疑該規(gui)(gui)(gui)程(cheng)的(de)(de)(de)實施，有力地推(tui)動和(he)(he)促進(jin)了(le)光(guang)(guang)(guang)面(mian)(預(yu)(yu)裂)爆(bao)(bao)破(po)(po)(po)(po)(po)技(ji)(ji)術在鐵路(lu)建設(she)中的(de)(de)(de)應用與(yu)(yu)發展。

使用(yong)單位或經(jing)(jing)銷商(shang)在日常采(cai)(cai)(cai)購(gou)(gou)中使用(yong)搜索(suo)引擎搜索(suo)生產(chan)(chan)廠(chang)商(shang)并購(gou)(gou)買產(chan)(chan)品(pin)已經(jing)(jing)成為很多(duo)企(qi)(qi)業(ye)和(he)經(jing)(jing)銷商(shang)的(de)(de)(de)(de)(de)(de)主要采(cai)(cai)(cai)購(gou)(gou)手段。根據我們從事網(wang)絡營銷的(de)(de)(de)(de)(de)(de)經(jing)(jing)歷，總(zong)結出以下幾點注意事項，希望能對采(cai)(cai)(cai)購(gou)(gou)的(de)(de)(de)(de)(de)(de)企(qi)(qi)業(ye)起到一些(xie)幫助(zhu)作用(yong)。1、采(cai)(cai)(cai)購(gou)(gou)的(de)(de)(de)(de)(de)(de)產(chan)(chan)品(pin)型號(hao)規(gui)格、質量標準(zhun)、技術參數(shu)應與采(cai)(cai)(cai)購(gou)(gou)計劃(hua)相符。2、采(cai)(cai)(cai)購(gou)(gou)產(chan)(chan)品(pin)時(shi)，就(jiu)是通過搜索(suo)引擎搜索(suo)自己需求的(de)(de)(de)(de)(de)(de)產(chan)(chan)品(pin)，找出生產(chan)(chan)和(he)銷售該(gai)產(chan)(chan)品(pin)的(de)(de)(de)(de)(de)(de)企(qi)(qi)業(ye)，然(ran)后查看(kan)該(gai)生產(chan)(chan)企(qi)(qi)業(ye)網(wang)站是否經(jing)(jing)過其所在省份工信廳備案，并登錄查驗。3、查看(kan)該(gai)生產(chan)(chan)企(qi)(qi)業(ye)網(wang)站欄目(mu)配置、欄目(mu)內容(rong)是否足(zu)夠專業(ye)，如(ru)大量出現與采(cai)(cai)(cai)購(gou)(gou)產(chan)(chan)品(pin)無關、雜(za)亂無章的(de)(de)(de)(de)(de)(de)，聯系地(di)址(zhi)標明xxx工業(ye)區、示范園而(er)(er)沒有路牌號(hao)的(de)(de)(de)(de)(de)(de)，只有手機號(hao)碼(ma)而(er)(er)沒有固定電話、傳真地(di)的(de)(de)(de)(de)(de)(de)，足(zu)可認定該(gai)生產(chan)(chan)企(qi)(qi)業(ye)為非正規(gui)的(de)(de)(de)(de)(de)(de)家庭作坊(fang)，不宜作為采(cai)(cai)(cai)購(gou)(gou)對象。

各(ge)(ge)種爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)、爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)器(qi)材銷毀(hui)以及(ji)(ji)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)器(qi)材意外(wai)爆(bao)(bao)(bao)(bao)炸(zha)時，爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)源(yuan)與人(ren)員(yuan)(yuan)和(he)其(qi)他(ta)保(bao)護對象之間的(de)(de)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)稱為爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)應(ying)取各(ge)(ge)種爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)效應(ying)（地震(zhen)、沖擊波(bo)、飛(fei)(fei)石(shi)、有(you)(you)毒氣體等(deng)）分別核(he)定(ding)的(de)(de)大值。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)時，必(bi)(bi)然(ran)產生爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)地震(zhen)、空(kong)氣沖擊波(bo)、碎(sui)石(shi)飛(fei)(fei)散(san)及(ji)(ji)有(you)(you)害(hai)氣體，因此，爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)設(she)計時必(bi)(bi)須確(que)定(ding)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)危害(hai)范(fan)圍，并確(que)定(ding)爆(bao)(bao)(bao)(bao)點到附近人(ren)員(yuan)(yuan)、設(she)備、建筑物(wu)及(ji)(ji)井巷等(deng)的(de)(de)安(an)(an)(an)全(quan)(quan)(quan)，這一段距(ju)(ju)(ju)(ju)(ju)離(li)就稱為爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)。如何控制好這段距(ju)(ju)(ju)(ju)(ju)離(li)就顯的(de)(de)尤(you)為重(zhong)要(yao)。為保(bao)證(zheng)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)安(an)(an)(an)全(quan)(quan)(quan)，爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)地點與人(ren)員(yuan)(yuan)或(huo)其(qi)他(ta)應(ying)保(bao)護對象之間必(bi)(bi)須保(bao)持短的(de)(de)相隔長(chang)度。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)有(you)(you)害(hai)效應(ying)隨(sui)距(ju)(ju)(ju)(ju)(ju)離(li)的(de)(de)增(zeng)加(jia)有(you)(you)規(gui)律地衰(shuai)減，用(yong)距(ju)(ju)(ju)(ju)(ju)離(li)作為安(an)(an)(an)全(quan)(quan)(quan)尺度可限(xian)定(ding)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)有(you)(you)害(hai)效應(ying)在允許限(xian)度之內。中(zhong)國《爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)安(an)(an)(an)全(quan)(quan)(quan)規(gui)程》規(gui)定(ding)了爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)地震(zhen)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)，個別飛(fei)(fei)散(san)物(wu)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)，以及(ji)(ji)爆(bao)(bao)(bao)(bao)炸(zha)沖擊波(bo)的(de)(de)安(an)(an)(an)全(quan)(quan)(quan)距(ju)(ju)(ju)(ju)(ju)離(li)。