使(shi)(shi)用(yong)單位或經(jing)(jing)銷商(shang)(shang)在(zai)日常采(cai)購(gou)(gou)中(zhong)使(shi)(shi)用(yong)搜(sou)索(suo)(suo)引(yin)(yin)擎搜(sou)索(suo)(suo)生(sheng)產(chan)(chan)(chan)廠商(shang)(shang)并(bing)購(gou)(gou)買產(chan)(chan)(chan)品(pin)已(yi)經(jing)(jing)成為(wei)很多企(qi)業(ye)(ye)和經(jing)(jing)銷商(shang)(shang)的主要采(cai)購(gou)(gou)手(shou)(shou)段。根(gen)據我們從事(shi)網(wang)絡營(ying)銷的經(jing)(jing)歷(li),總結出以下幾點注意事(shi)項,希(xi)望能對(dui)采(cai)購(gou)(gou)的企(qi)業(ye)(ye)起到一些(xie)幫助作(zuo)用(yong)。1、采(cai)購(gou)(gou)的產(chan)(chan)(chan)品(pin)型號規格、質(zhi)量標(biao)準、技術參數(shu)應(ying)與采(cai)購(gou)(gou)計劃(hua)相符。2、采(cai)購(gou)(gou)產(chan)(chan)(chan)品(pin)時,就是通(tong)過(guo)搜(sou)索(suo)(suo)引(yin)(yin)擎搜(sou)索(suo)(suo)自己需求的產(chan)(chan)(chan)品(pin),找出生(sheng)產(chan)(chan)(chan)和銷售該(gai)產(chan)(chan)(chan)品(pin)的企(qi)業(ye)(ye),然(ran)后查(cha)(cha)(cha)看該(gai)生(sheng)產(chan)(chan)(chan)企(qi)業(ye)(ye)網(wang)站(zhan)是否經(jing)(jing)過(guo)其所(suo)在(zai)省份工信廳備(bei)案,并(bing)登(deng)錄查(cha)(cha)(cha)驗(yan)。3、查(cha)(cha)(cha)看該(gai)生(sheng)產(chan)(chan)(chan)企(qi)業(ye)(ye)網(wang)站(zhan)欄(lan)目配置、欄(lan)目內容是否足夠專業(ye)(ye),如大量出現與采(cai)購(gou)(gou)產(chan)(chan)(chan)品(pin)無關、雜亂無章的,聯系(xi)地址(zhi)標(biao)明xxx工業(ye)(ye)區、示范園而(er)沒有(you)路牌號的,只(zhi)有(you)手(shou)(shou)機(ji)號碼而(er)沒有(you)固定(ding)電話、傳(chuan)真地的,足可認定(ding)該(gai)生(sheng)產(chan)(chan)(chan)企(qi)業(ye)(ye)為(wei)非正規的家庭作(zuo)坊,不宜(yi)作(zuo)為(wei)采(cai)購(gou)(gou)對(dui)象(xiang)。
我國于1983年制定了《水(shui)工(gong)(gong)(gong)(gong)建(jian)筑(zhu)物(wu)巖行基礎開挖(wa)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范(fan)》(sD 121l一(yi)1983)。自此(ci),在(zai)(zai)水(shui)利(li)水(shui)電(dian)建(jian)設中(zhong)預裂(lie)(lie)(lie)爆(bao)破(po)(po)與(yu)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)(po)已成為(wei)必(bi)須進(jin)行的(de)(de)(de)保護邊(bian)坡(po)(po)(po)質量的(de)(de)(de)爆(bao)破(po)(po)開挖(wa)技(ji)(ji)術措施(shi)。此(ci)后在(zai)(zai)此(ci)基礎上(shang)修(xiu)訂的(de)(de)(de)《水(shui)工(gong)(gong)(gong)(gong)建(jian)筑(zhu)物(wu)巖石基礎開挖(wa)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范(fan)》(SL 47一(yi)1994)以(yi)(yi)及在(zai)(zai)《水(shui)電(dian)水(shui)利(li)爆(bao)破(po)(po)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范(fan)》(DL/T 5135—2001)和(he)《水(shui)工(gong)(gong)(gong)(gong)建(jian)筑(zhu)物(wu)巖石基礎開挖(wa)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范(fan)》(DL/T 5389~2007)中(zhong)預裂(lie)(lie)(lie)爆(bao)破(po)(po)與(yu)光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)(po)均被編(bian)入并有所改(gai)進(jin),DL/T 5135—2001正在(zai)(zai)修(xiu)編(bian)為(wei)DL/T 5135—2012。鐵(tie)道部(bu)也不僅規(gui)(gui)定了凡是(shi)Ⅲ級以(yi)(yi)上(shang)的(de)(de)(de)巖石邊(bian)坡(po)(po)(po),設計邊(bian)坡(po)(po)(po)坡(po)(po)(po)度為(wei)1:0.1~1:0.75,在(zai)(zai)邊(bian)坡(po)(po)(po)部(bu)位的(de)(de)(de)爆(bao)破(po)(po)設計和(he)施(shi)工(gong)(gong)(gong)(gong)都應(ying)采用光(guang)(guang)(guang)面(mian)(mian)爆(bao)破(po)(po)或預裂(lie)(lie)(lie)爆(bao)破(po)(po),并闡述(shu)了光(guang)(guang)(guang)面(mian)(mian)(預裂(lie)(lie)(lie))爆(bao)破(po)(po)施(shi)工(gong)(gong)(gong)(gong)技(ji)(ji)術設計的(de)(de)(de)原則(ze)和(he)參數(shu)、安全措施(shi),而且還明確了路塹邊(bian)坡(po)(po)(po)光(guang)(guang)(guang)面(mian)(mian)(預裂(lie)(lie)(lie))爆(bao)破(po)(po)項目質量驗收檢(jian)測(ce)數(shu)量和(he)檢(jian)測(ce)方法。無疑該規(gui)(gui)程(cheng)(cheng)(cheng)的(de)(de)(de)實施(shi),有力(li)地推動和(he)促進(jin)了光(guang)(guang)(guang)面(mian)(mian)(預裂(lie)(lie)(lie))爆(bao)破(po)(po)技(ji)(ji)術在(zai)(zai)鐵(tie)路建(jian)設中(zhong)的(de)(de)(de)應(ying)用與(yu)發(fa)展。
是將(jiang)炸藥(yao)(yao)裝(zhuang)在聚(ju)(ju)能(neng)管(guan)內(nei),兩頭均放置了水袋(dai)(dai)(dai),聚(ju)(ju)能(neng)管(guan)爆(bao)炸產生(sheng)的(de)高溫高壓射流,讓水袋(dai)(dai)(dai)產生(sheng)“水楔”效應,使(shi)圍(wei)巖裂(lie)縫加劇延(yan)伸擴展。它是在水壓光(guang)面(mian)爆(bao)破基礎上(shang)(shang)發(fa)展起來的(de)一項新(xin)技(ji)術,區別只(zhi)是在周邊眼中安裝(zhuang)專用(yong)線(xian)(xian)性聚(ju)(ju)能(neng)藥(yao)(yao)管(guan)替代(dai)常(chang)規爆(bao)破藥(yao)(yao)卷(juan)和(he)傳爆(bao)線(xian)(xian),只(zhi)要做到七大(da)關鍵環節:水袋(dai)(dai)(dai)挺拔飽滿、炮(pao)泥(ni)軟硬適中、水袋(dai)(dai)(dai)裝(zhuang)填到底、炮(pao)泥(ni)回填到口(kou)、木棍逐節搗固、水藥(yao)(yao)緊(jin)密相(xiang)連、槽(cao)面(mian)必須平行(xing),就能(neng)對(dui)控制超欠挖起到良好效果。在推廣水壓爆(bao)破的(de)基礎上(shang)(shang),去年9月(yue),水壓聚(ju)(ju)能(neng)爆(bao)破的(de)成果上(shang)(shang),今年更為深入地在興泉(quan)鐵路大(da)嶺(ling)隧(sui)道(dao)、牡(mu)佳鐵路麻山(shan)隧(sui)道(dao)采用(yong)了此項技(ji)術,積(ji)累了成功(gong)經驗(yan)。
礦用型雙向聚能管價格施工因其復雜性、專業性、危險性,稍有不慎,將對人民的生命財產安全造成不可估量的損失,例如廣東宏大寧夏“10.16”、山東保利“5.20”等重大安全事故。因此,相較其他行業,國家出臺的相關法律法規多、專、嚴,從爆破材料(炸藥、雷管、導爆索?管?及相關材料)的生產、購進、運輸、儲存、發放、布網、連接、起爆、排爆等一系列程序均有嚴格的法律規定和科學的操作規程,并且相關從業單位和人員均應取得相應資質。韶關礦用型雙向聚能管做為各類爆破中不(bu)可或缺的(de)(de)(de)(de)一(yi)種導線(xian),特別不(bu)同于一(yi)般的(de)(de)(de)(de)電(dian)線(xian)電(dian)纜(lan),其質量(liang)要(yao)求(qiu)(qiu)及各項技術(shu)參(can)數(shu)也與普(pu)通(tong)電(dian)線(xian)電(dian)纜(lan)不(bu)同。部分家庭(ting)作坊式的(de)(de)(de)(de)電(dian)線(xian)電(dian)纜(lan)廠無科學的(de)(de)(de)(de)生(sheng)產(chan)工藝、無基本的(de)(de)(de)(de)檢測設(she)備、無專業的(de)(de)(de)(de)技術(shu)人員,甚至不(bu)知(zhi)道爆破線(xian)的(de)(de)(de)(de)質量(liang)要(yao)求(qiu)(qiu)和技術(shu)參(can)數(shu),更不(bu)可能制訂自己的(de)(de)(de)(de)企業標準,僅憑簡(jian)陋(lou)的(de)(de)(de)(de)設(she)備、以粗糙的(de)(de)(de)(de)模仿進(jin)行生(sheng)產(chan)經營活(huo)動(dong),致使市場充斥著假(jia)冒偽(wei)劣產(chan)品,導致爆破中提前或延遲(chi)起爆、盲(mang)炮增加且強制排爆困難(nan),給人身(shen)安全和財(cai)產(chan)以及正常的(de)(de)(de)(de)生(sheng)產(chan)經營活(huo)動(dong)造成了不(bu)可估量(liang)的(de)(de)(de)(de)損失。