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爆破鉆眼能鉆多少米

爆破鉆眼能鉆多少米

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    炮眼_百度百科

    炮(pao)(pao)眼(yan)是(shi)在被爆破體(ti)(如巖(yan)(yan)體(ti)或礦體(ti))上(shang)鉆(zhan)(zhan)(zhan)鑿的(de)孔眼(yan)。 用(yong)以裝填(tian)炸(zha)藥(yao)進行(xing)爆破。 依其深(shen)(shen)度(du)(du)(du)和(he)直徑的(de)大(da)小,可分淺(qian)眼(yan)、中深(shen)(shen)眼(yan)和(he)深(shen)(shen)眼(yan)三類。 炮(pao)(pao)眼(yan)的(de)深(shen)(shen)度(du)(du)(du)、直徑、方(fang)向對(dui)爆破效果(guo)都有影響 鉆(zhan)(zhan)(zhan)眼(yan)爆破是(shi)指(zhi)在要(yao)采(cai)掘(jue)的(de)礦體(ti)中用(yong)鉆(zhan)(zhan)(zhan)眼(yan)工具鉆(zhan)(zhan)(zhan)鑿炮(pao)(pao)眼(yan),其深(shen)(shen)度(du)(du)(du)一(yi)般為3~4m,然后在炮(pao)(pao)眼(yan)中放置一(yi)定量的(de)炸(zha)藥(yao),炮(pao)(pao)眼(yan)口與炸(zha)藥(yao)之間的(de)一(yi)段距離充填(tian)不燃的(de)情(qing)性物質。 炸(zha)藥(yao)被引(yin)爆后,在 鉆(zhan)(zhan)(zhan)眼(yan)爆破_百度(du)(du)(du)百科圖1 隧(sui)道(dao)洞(dong)身(shen)開(kai)(kai)挖工藝流程. 5.1.1 開(kai)(kai)挖方(fang)法、鉆(zhan)(zhan)(zhan)爆參數. 根據圍巖(yan)(yan)的(de)軟弱狀況和(he)隧(sui)道(dao)斷面,選擇合理(li)的(de)開(kai)(kai)挖方(fang)法,以少(shao)擾動為宗旨,把開(kai)(kai)挖對(dui)圍巖(yan)(yan)的(de)損傷程度(du)(du)(du)控制在最(zui)小限(xian)度(du)(du)(du),最(zui)大(da) 隧(sui)道(dao)工程洞(dong)身(shen)開(kai)(kai)挖施工作業(ye)指(zhi)導書(shu) - 知乎

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    巷道掘進爆破設計_百度文庫

    ②炮(pao)孔深(shen)度(du)(du)L=L1+h,h為掏(tao)槽眼超鉆深(shen)度(du)(du)h=(10~30)cm,在(zai)(zai)此取h=0.2m,故掏(tao)槽眼炮(pao)孔深(shen)度(du)(du)L=2.0m。 ③炮(pao)孔間距a的確定:根據a=10~40cm,在(zai)(zai)此取a=0.3m。 ④炸(zha)藥(yao)單(dan)位 鉆眼裝藥(yao)率調(diao)整,當開(kai)挖面(mian)凹凸較大時,應(ying)按實際情(qing)況(kuang)調(diao)整炮(pao)眼深(shen)度(du)(du)(相應(ying)調(diao)整裝藥(yao)量),力求(qiu)所有炮(pao)眼(除掏(tao)槽眼外(wai))眼底在(zai)(zai)同一平面(mian)上。鉆眼完畢(bi),按炮(pao)眼布置(zhi)圖進(jin)行檢查并做 隧道爆破(po)設計方(fang)案2020年7月10日? 155.4實現光(guang)面(mian)爆破(po)的技(ji)術措施(1)合理選(xuan)擇周邊眼的間距(E)和最小抵抗線(W)一般情(qing)況(kuang)下,E=400~700mm,光(guang)面(mian)爆破(po)E=400~600mm,在(zai)(zai)兩幫和跨度(du)(du)大 鉆眼爆破(po)ppt課件 - 豆丁網

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    爆破參數的確定_百度文庫

    一(yi)、炮眼(yan)直徑(jing): 炮眼(yan)直徑(jing)的大小對鉆(zhan)(zhan)眼(yan)效率、全(quan)(quan)斷(duan)面(mian)炮眼(yan)數(shu)目(mu)、炸藥(yao)消耗量和爆(bao)破巖(yan)石(shi)塊度與(yu)巖(yan)壁平整度均有(you)影響(xiang),因此,應根據巷(xiang)道斷(duan)面(mian)大小、塊度要(yao)求(qiu)(qiu)、炸藥(yao)性能和鑿(zao)巖(yan)機性 2023年(nian)3月(yue)1日? 該(gai)橋全(quan)(quan)長652.8米(mi),共14跨,6~8#墩涉水(shui)施(shi)工(gong),墩位處施(shi)工(gong)水(shui)域標高為143.28米(mi)~173.28米(mi),受三(san)峽庫區蓄(xu)水(shui)影響(xiang)落差達30米(mi)。 8#墩是全(quan)(quan)線唯一(yi)一(yi)座需要(yao)采用 渝萬高鐵(tie)(tie)甘井河特(te)大橋順利完成水(shui)下爆(bao)破鐵(tie)(tie)路(lu)_網易訂閱2018年(nian)10月(yue)27日? 鉆(zhan)(zhan)爆(bao)作業嚴(yan)格按照設計進行鉆(zhan)(zhan)眼(yan)、裝藥(yao)、接(jie)線和引(yin)爆(bao)。 如開挖條件(jian)出現變(bian)化需要(yao)變(bian)更設計時(shi),由(you)主管(guan)技(ji)(ji)術人員(yuan)或領工(gong)員(yuan)確(que)定。 鉆(zhan)(zhan)孔前繪出開挖斷(duan)面(mian)中(zhong)線,水(shui)平線 隧道爆(bao)破技(ji)(ji)術要(yao)求(qiu)(qiu)(下)_施(shi)工(gong)

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    隧道工程鉆眼爆破工法

    2019年(nian)5月30日? 隧道(dao)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)通常采用(yong)(yong)掏(tao)槽(cao)(cao)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po),即(ji)將開(kai)挖斷面(mian)上的(de)(de)(de)(de)炮(pao)(pao)眼(yan)(yan)(yan)分區(qu)布(bu)置(zhi)和(he)分區(qu)順序起爆(bao)(bao)(bao)(bao),逐步擴(kuo)大完(wan)成一次爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)開(kai)挖,分區(qu)是按(an)照炮(pao)(pao)眼(yan)(yan)(yan)的(de)(de)(de)(de)位置(zhi)、作用(yong)(yong)的(de)(de)(de)(de)不(bu)(bu)同有(you)三(san)(san)種炮(pao)(pao)眼(yan)(yan)(yan): 即(ji)掏(tao)槽(cao)(cao)眼(yan)(yan)(yan)、輔助眼(yan)(yan)(yan)和(he)周(zhou)邊眼(yan)(yan)(yan) 。 這三(san)(san)種炮(pao)(pao)眼(yan)(yan)(yan)除共同完(wan)成一個循環(huan)進(jin)(jin)(jin)尺的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)掘進(jin)(jin)(jin)外,還(huan)各有(you)其作用(yong)(yong),并各有(you)不(bu)(bu)同的(de)(de)(de)(de)布(bu)置(zhi)要(yao)求及長度、方(fang)(fang)向和(he)間距等要(yao)求。巷道(dao)掘進(jin)(jin)(jin)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)設(she)計(ji)(ji). 3、鉆(zhan)孔:按(an)設(she)計(ji)(ji)要(yao)求,先鉆(zhan)空眼(yan)(yan)(yan),鉆(zhan)眼(yan)(yan)(yan)一定(ding)要(yao)在巷道(dao)的(de)(de)(de)(de)腰線(xian)的(de)(de)(de)(de)中間點的(de)(de)(de)(de)垂直(zhi)方(fang)(fang)向,周(zhou)邊眼(yan)(yan)(yan)根據(ju)設(she)計(ji)(ji)取傾角進(jin)(jin)(jin)行鉆(zhan)眼(yan)(yan)(yan),由于掏(tao)槽(cao)(cao)眼(yan)(yan)(yan)為(wei)桶形,掏(tao)槽(cao)(cao)直(zhi)徑精度高,在鉆(zhan)眼(yan)(yan)(yan)后一定(ding)要(yao)反復(fu)核(he)校(xiao),不(bu)(bu)能偏離。. 成孔后要(yao)對炮(pao)(pao)孔進(jin)(jin)(jin)行檢查驗(yan)收,每孔驗(yan)收應 ...巷道(dao)掘進(jin)(jin)(jin)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)設(she)計(ji)(ji)_百度文庫2012年(nian)7月7日? 開(kai)挖斷面(mian)100m左右,鉆(zhan)眼(yan)(yan)(yan)深度3.9m和(he)5.15m。. 裝藥眼(yan)(yan)(yan)直(zhi)徑48mm,中空眼(yan)(yan)(yan)直(zhi)徑102mm瑞典樣板(ban)掏(tao)槽(cao)(cao)三(san)(san)、混合掏(tao)槽(cao)(cao)混合掏(tao)槽(cao)(cao)是指兩 種以(yi)上的(de)(de)(de)(de)掏(tao)槽(cao)(cao)方(fang)(fang)式(shi) 的(de)(de)(de)(de)混合使用(yong)(yong),一般 在巖石特別堅硬或 隧道(dao)開(kai)挖斷面(mian)較大 時使用(yong)(yong)。. 四、減(jian)輕地震(zhen)動掏(tao)槽(cao)(cao) 為(wei)了減(jian)少掏(tao)槽(cao)(cao)眼(yan)(yan)(yan)的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po) 隧道(dao)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)設(she)計(ji)(ji)(圖文各級圍(wei)巖及開(kai)挖方(fang)(fang)式(shi)鉆(zhan)爆(bao)(bao)(bao)(bao)眼(yan)(yan)(yan)布(bu)置(zhi)) - jz.docin

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    隧道爆破設計 (圖文各級圍巖及開挖方式鉆爆眼布置).ppt

    2018年(nian)(nian)4月27日? 隧(sui)道(dao)爆(bao)(bao)破(po)設計(圖文各級圍(wei)巖及開挖(wa)方(fang)式鉆爆(bao)(bao)眼(yan)布置).ppt,鐵路隧(sui)道(dao)爆(bao)(bao)破(po) 隧(sui)道(dao)施(shi)工(gong)爆(bao)(bao)破(po)概述 一、隧(sui)道(dao)的(de)基本概念 一、掏槽(cao)(cao)(cao)眼(yan) 二(er)、輔助眼(yan) 三、周(zhou)邊眼(yan) 一、斜眼(yan)掏槽(cao)(cao)(cao) 單向掏槽(cao)(cao)(cao) 楔形(xing)掏槽(cao)(cao)(cao) 錐形(xing)掏槽(cao)(cao)(cao) 錐形(xing)掏槽(cao)(cao)(cao) (二(er))斜眼(yan)掏槽(cao)(cao)(cao)的(de)優(you)缺點 二(er)、直(zhi)眼(yan)掏槽(cao)(cao)(cao) 三、混合(he)掏槽(cao)(cao)(cao) 四、減(jian)輕地震動掏槽(cao)(cao)(cao) 五、豎(shu)井掏槽(cao)(cao)(cao)爆(bao)(bao)破(po) 一 ...鉆眼(yan)裝(zhuang)藥(yao)率(lv)調整(zheng),當開挖(wa)面(mian)凹凸較(jiao)大時,應按(an)實(shi)際(ji)情(qing)況調整(zheng)炮眼(yan)深度(相應調整(zheng)裝(zhuang)藥(yao)量(liang)),力求(qiu)所有(you)炮眼(yan)(除掏槽(cao)(cao)(cao)眼(yan)外(wai))眼(yan)底在同一平面(mian)上。鉆眼(yan)完畢,按(an)炮眼(yan)布置圖進行檢查(cha)并做好記(ji)錄(lu),有(you)不符(fu)合(he)要求(qiu)的(de)炮眼(yan)重(zhong)鉆,經檢查(cha)合(he)格后(hou),方(fang)可裝(zhuang)藥(yao)爆(bao)(bao)破(po). 3、炮眼(yan)布置要求(qiu)隧(sui)道(dao)爆(bao)(bao)破(po)設計方(fang)案2019年(nian)(nian)9月16日? 3)周(zhou)邊眼(yan)鉆眼(yan)施(shi)工(gong)必須保證外(wai)插角(jiao)滿足設計角(jiao)度,各炮眼(yan)底部位于同一平面(mian)上; ... 劉海波,白(bai)宗河(he),劉學攀,陳磊.隧(sui)道(dao)掘(jue)進聚能(neng)水(shui)壓光(guang)面(mian)爆(bao)(bao)破(po)新技術與應用[j].工(gong)程(cheng)爆(bao)(bao)破(po),2017(23). [3] 高紅賓.隧(sui)道(dao)掘(jue)進新技術水(shui)壓爆(bao)(bao)破(po)施(shi)工(gong)[j].公路交通技 公路隧(sui)道(dao)水(shui)壓光(guang)面(mian)爆(bao)(bao)破(po)施(shi)工(gong)技術--中國(guo)期刊網

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    鉆眼爆破與安全(232頁)-原創力文檔

    2019年10月(yue)27日? 鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)爆(bao)(bao)(bao)(bao)破(po)(po)(po)破(po)(po)(po)巖(yan)(yan)法,就是在(zai)巖(yan)(yan)石內(nei)(nei)鉆(zhan)(zhan)(zhan)(zhan)鑿(zao)一些炮眼(yan)(yan),以(yi)便(bian)放置炸(zha)藥(yao)和起(qi)爆(bao)(bao)(bao)(bao)器材,進(jin)(jin)行(xing)爆(bao)(bao)(bao)(bao)破(po)(po)(po)。 鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)操作技術(shu)(shu)(shu)與安全(quan) 一、鑿(zao)巖(yan)(yan)機(ji)(ji)械(xie)(xie)(xie)操作安全(quan) (一)風(feng)動(dong)鑿(zao)巖(yan)(yan)機(ji)(ji)操作 1.鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)前準備(bei) (1)開(kai)動(dong)鑿(zao)巖(yan)(yan)機(ji)(ji)之前,要敲(qiao)幫(bang)問(wen)頂(ding),撬掉頂(ding)、幫(bang)和工作面上的(de)浮(fu)矸危(wei)石,引(yin)標出(chu)巷(xiang)道中(zhong)線、 2015年1月(yue)8日? 鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)機(ji)(ji)械(xie)(xie)(xie) 化(hua)的(de)滯后(hou)(hou)發展(zhan)(zhan),嚴重影響了新的(de)爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)的(de)應用(yong),因此(ci)今后(hou)(hou) 應該在(zai)努力(li)全(quan)面實(shi)行(xing)采(cai)掘(jue)高效配套機(ji)(ji)械(xie)(xie)(xie)化(hua)的(de)基礎上,加快(kuai)鉆(zhan)(zhan)(zhan)(zhan) 眼(yan)(yan)機(ji)(ji)械(xie)(xie)(xie)化(hua)的(de)進(jin)(jin)程,研制鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)裝藥(yao)綜合(he)機(ji)(ji)械(xie)(xie)(xie),實(shi)現鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)裝藥(yao)機(ji)(ji) 2,完善爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)的(de)多(duo)方(fang)控(kong)制實(shi)現多(duo)方(fang)控(kong)制化(hua)是各種(zhong)爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)多(duo)年來共同(tong) ...爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)發展(zhan)(zhan)現狀及(ji)發展(zhan)(zhan)趨(qu)勢 - 豆丁網2021年7月(yue)26日? 鉆(zhan)(zhan)(zhan)(zhan)眼(yan)(yan)爆(bao)(bao)(bao)(bao)破(po)(po)(po)法以(yi)其(qi)施工機(ji)(ji)具簡單,輕便(bian)靈活,操作容(rong)易(yi),維修 費用(yong)低效率(lv)高而非常適用(yong)于煤礦井(jing)(jing)(jing)下 ... 在(zai)國內(nei)(nei)外(wai)(wai)較早試驗成功并(bing)(bing)采(cai)用(yong)毫秒微差爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)、 周邊(bian)聚(ju)能(neng) 光面爆(bao)(bao)(bao)(bao)破(po)(po)(po)、立井(jing)(jing)(jing)深孔爆(bao)(bao)(bao)(bao)破(po)(po)(po)等技術(shu)(shu)(shu),此(ci)外(wai)(wai),在(zai)立并(bing)(bing) 凍結段掘(jue)進(jin)(jin)爆(bao)(bao)(bao)(bao)破(po)(po)(po)、石門揭煤 爆(bao)(bao)(bao)(bao)破(po)(po)(po)、鉆(zhan)(zhan)(zhan)(zhan)井(jing)(jing)(jing)井(jing)(jing)(jing)壁(bi) 破(po)(po)(po)底 ...爆(bao)(bao)(bao)(bao)破(po)(po)(po)技術(shu)(shu)(shu)發展(zhan)(zhan)現狀及(ji)發展(zhan)(zhan)趨(qu)勢.pdf-原創力(li)文(wen)檔(dang)

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    隧道洞身開挖、支護的施工方案 - 豆丁網

    2022年2月26日? a-1-03施(shi)(shi)工(gong)技(ji)術方(fang)案(an)(an)(an)報(bao)審表項目(mu)名(ming)稱:合同段:承包單位(wei):中鐵五局(ju)集(ji)團第(di)三(san)工(gong)程有(you)限(xian)公司(si)理單位(wei):育才-布(bu)朗交通(tong)咨詢監(jian)理有(you)限(xian)公司(si)二廣高速(su)公路懷(huai)集(ji)至三(san)水段13編號:13-028致(監(jian)理工(gong)程師)現報(bao)上沙塘坑隧(sui)道洞(dong)身開(kai)挖(wa)(wa)、支護施(shi)(shi)工(gong)方(fang)案(an)(an)(an)工(gong)程技(ji)術、工(gong)藝(yi)方(fang)案(an)(an)(an),方(fang)案(an)(an)(an)詳細(xi)(xi)說(shuo)明和圖表見附(fu)件(jian),請(qing)予審查和批準(zhun)。小型旋挖(wa)(wa)鉆(zhan)(zhan)(zhan)機一(yi)天能(neng)鉆(zhan)(zhan)(zhan)多(duo)少米(mi)? 小型旋挖(wa)(wa)鉆(zhan)(zhan)(zhan)機一(yi)般一(yi)天能(neng)打150左右,如果(guo)房建樁(zhuang)一(yi)條(tiao)樁(zhuang)是(shi)10米(mi),能(neng)打15條(tiao)樁(zhuang)。 小型旋挖(wa)(wa)鉆(zhan)(zhan)(zhan)機好處: 舊貨(huo)機省錢,當然(ran)回本(ben)快(kuai),一(yi)到兩年就可以(yi)回本(ben),風險很小。 旋挖(wa)(wa)鉆(zhan)(zhan)(zhan)進對地層擾動小,護壁泥皮薄,形成的(de)(de)孔壁為粗(cu)糙(cao)型l23,有(you)利于增加樁(zhuang)側摩阻力,保證樁(zhuang)基設(she)計(ji)承載力。小型旋挖(wa)(wa)鉆(zhan)(zhan)(zhan)機一(yi)天可以(yi)打多(duo)少米(mi)?可以(yi)做(zuo)什么樣的(de)(de)工(gong)況?多(duo)少錢一(yi)米(mi)目(mu)錄一(yi)編制依據3二工(gong)程概況3三(san)鉆(zhan)(zhan)(zhan)爆施(shi)(shi)工(gong)工(gong)藝(yi)及技(ji)術要(yao)點331起爆方(fang)式832鉆(zhan)(zhan)(zhan)孔作業(ye)933爆破(po)934鉆(zhan)(zhan)(zhan)爆設(she)計(ji)935隧(sui)洞(dong)超欠挖(wa)(wa)控制1236隧(sui)洞(dong)光面(mian)爆破(po)施(shi)(shi)工(gong)細(xi)(xi)則1437質(zhi)量(liang)標準(zhun)16四爆破(po)安全技(ji)術措施(shi)(shi)1741減震(zhen)措施(shi)(shi)1742爆炸物品管理1743爆破(po)器材的(de)(de)質(zhi)量(liang)檢測1844鉆(zhan)(zhan)(zhan)孔作業(ye)1845裝藥與堵塞1946聯線 ...隧(sui)洞(dong)爆破(po)安全技(ji)術方(fang)案(an)(an)(an)下載_Word模板 - 愛問文庫

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    ××隧道鉆孔爆破施工技術1.doc - jz.docin豆丁建筑

    2012年11月(yue)10日? 掏(tao)槽區(qu)爆(bao)(bao)(bao)(bao)破(po)(po)不(bu)充分(fen)當(dang)時認為有兩(liang)個(ge)方面的原(yuan)(yuan)因(yin):其一、鉆孔(kong)作(zuo)(zuo)(zuo) 業(ye)不(bu)精確,有相互穿孔(kong)的現象;其二(er)、鉆眼時設計的較(jiao)大直徑 空眼由于受(shou)鑿巖機(ji)性(xing)能影響施工較(jiao)為困難,臨空面過(guo)小(xiao)。. 針(zhen)對 原(yuan)(yuan)因(yin)我(wo)們制定了相應(ying)對策,對操(cao)作(zuo)(zuo)(zuo)者進(jin)行爆(bao)(bao)(bao)(bao)破(po)(po)原(yuan)(yuan)理及(ji)(ji)鉆孔(kong)技術 培 爆(bao)(bao)(bao)(bao)破(po)(po)安(an)全(quan)技術交底. 5.布孔(kong)、裝藥、聯(lian)線、覆蓋、起(qi)爆(bao)(bao)(bao)(bao)均由爆(bao)(bao)(bao)(bao)破(po)(po)員(yuan)完(wan)成(cheng)。. 安(an)全(quan)員(yuan)做好(hao)現場安(an)全(quan)記錄。. 6.雷(lei)雨天停(ting)止爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)(zuo)(zuo)業(ye)。. 7.人工挖孔(kong)樁爆(bao)(bao)(bao)(bao)破(po)(po)采用(yong)(yong)電(dian)(dian)力起(qi)爆(bao)(bao)(bao)(bao)法。. (1)同(tong)(tong)(tong)一爆(bao)(bao)(bao)(bao)破(po)(po)網(wang)絡的電(dian)(dian)雷(lei)管,應(ying)為同(tong)(tong)(tong)廠(chang)同(tong)(tong)(tong)型(xing)同(tong)(tong)(tong)批產品,電(dian)(dian)雷(lei)管的電(dian)(dian)阻值(zhi)相差不(bu)得超(chao)過(guo)0.3~0.8 ...爆(bao)(bao)(bao)(bao)破(po)(po)安(an)全(quan)技術交底_百度文庫2019年5月(yue)30日? 隧(sui)道爆(bao)(bao)(bao)(bao)破(po)(po)通常采用(yong)(yong)掏(tao)槽爆(bao)(bao)(bao)(bao)破(po)(po),即(ji)將開挖斷面上的炮眼分(fen)區(qu)布置(zhi)(zhi)和分(fen)區(qu)順序起(qi)爆(bao)(bao)(bao)(bao),逐步擴大完(wan)成(cheng)一次(ci)爆(bao)(bao)(bao)(bao)破(po)(po)開挖,分(fen)區(qu)是按照炮眼的位置(zhi)(zhi)、作(zuo)(zuo)(zuo)用(yong)(yong)的不(bu)同(tong)(tong)(tong)有三(san)種(zhong)(zhong)炮眼: 即(ji)掏(tao)槽眼、輔助眼和周邊(bian)眼 。 這三(san)種(zhong)(zhong)炮眼除共同(tong)(tong)(tong)完(wan)成(cheng)一個(ge)循(xun)環進(jin)尺的爆(bao)(bao)(bao)(bao)破(po)(po)掘進(jin)外,還(huan)各(ge)有其作(zuo)(zuo)(zuo)用(yong)(yong),并各(ge)有不(bu)同(tong)(tong)(tong)的布置(zhi)(zhi)要求及(ji)(ji)長度、方向(xiang)和間距等要求。隧(sui)道工程(cheng)鉆眼爆(bao)(bao)(bao)(bao)破(po)(po)工法

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    炮眼_百度百科

    炮(pao)眼(yan)(yan)(yan)(yan)是在被爆(bao)破(po)(po)(po)體(如巖體或(huo)礦體)上鉆鑿的(de)(de)(de)(de)孔眼(yan)(yan)(yan)(yan)。用以(yi)裝(zhuang)填炸(zha)藥(yao)進行(xing)爆(bao)破(po)(po)(po)。 ... 直(zhi)(zhi)眼(yan)(yan)(yan)(yan)掏(tao)槽的(de)(de)(de)(de)眼(yan)(yan)(yan)(yan)距要嚴加控(kong)制,既不能太(tai)大,太(tai)大打(da)不開,掏(tao)不出(chu)(chu)槽來(lai);又不能太(tai)小(xiao)(xiao),太(tai)小(xiao)(xiao)巖石被擠(ji)實造成巖石再(zai)生。一(yi)(yi)般(ban)掏(tao)槽眼(yan)(yan)(yan)(yan)距等于(yu)破(po)(po)(po)碎圈直(zhi)(zhi)徑(jing)(為藥(yao)卷直(zhi)(zhi)徑(jing)的(de)(de)(de)(de)3~5倍),即100~250 mm。 ...爆(bao)破(po)(po)(po)參(can)數(shu)(shu)的(de)(de)(de)(de)確定. 一(yi)(yi)、炮(pao)眼(yan)(yan)(yan)(yan)直(zhi)(zhi)徑(jing):. 炮(pao)眼(yan)(yan)(yan)(yan)直(zhi)(zhi)徑(jing)的(de)(de)(de)(de)大小(xiao)(xiao)對鉆眼(yan)(yan)(yan)(yan)效率、全斷面炮(pao)眼(yan)(yan)(yan)(yan)數(shu)(shu)目、炸(zha)藥(yao)消耗(hao)量和爆(bao)破(po)(po)(po)巖石塊(kuai)度(du)(du)與巖壁平整(zheng)度(du)(du)均有影響,因此,應根據巷道(dao)(dao)(dao)斷面大小(xiao)(xiao)、塊(kuai)度(du)(du)要求、炸(zha)藥(yao)性(xing)能和鑿巖機性(xing)能綜合考慮,進行(xing)選擇。. 炮(pao)眼(yan)(yan)(yan)(yan)直(zhi)(zhi)徑(jing)大,可減(jian)少炮(pao)眼(yan)(yan)(yan)(yan)數(shu)(shu)目,炸(zha)藥(yao) ...爆(bao)破(po)(po)(po)參(can)數(shu)(shu)的(de)(de)(de)(de)確定_百(bai)度(du)(du)文(wen)庫鉆眼(yan)(yan)(yan)(yan)爆(bao)破(po)(po)(po)法(fa)施工(gong)是指指用炸(zha)藥(yao)爆(bao)破(po)(po)(po)來(lai)破(po)(po)(po)碎巖體,開出(chu)(chu)洞室的(de)(de)(de)(de)一(yi)(yi)種施工(gong)方法(fa)。中國絕大部分的(de)(de)(de)(de)鐵路隧道(dao)(dao)(dao)工(gong)程均用之。由于(yu)其最早并長期(qi)用于(yu)礦山巷道(dao)(dao)(dao)工(gong)程中,故習稱“礦山法(fa)”。用鉆爆(bao)法(fa)開挖(wa),都有如下基(ji)本(ben)工(gong)序:①鉆眼(yan)(yan)(yan)(yan)。②裝(zhuang)藥(yao)爆(bao)破(po)(po)(po)。③通風。④必要的(de)(de)(de)(de)施工(gong)支(zhi)撐。⑤出(chu)(chu)渣清場。它們組(zu)成一(yi)(yi)個(ge)周(zhou)而復(fu)始(shi) ...鉆眼(yan)(yan)(yan)(yan)爆(bao)破(po)(po)(po)法(fa)施工(gong)_百(bai)度(du)(du)百(bai)科(ke)

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    鉆眼爆破_百度文庫

    1.爆(bao)(bao)(bao)破(po)(po)(po)后達(da)到的(de)要(yao)求: ①巷道斷(duan)面(mian)符合(he)設計(ji)(ji)要(yao)求; ②巖石塊度(du)均勻 (300mm左右(you)); ③對圍(wei)巖的(de)震動和破(po)(po)(po)壞小(xiao),有利(li)于巷道維(wei)護; ④材(cai)(cai)料消(xiao)耗少,鉆(zhan)眼(yan)(yan)工作量小(xiao),炮(pao)(pao)眼(yan)(yan)利(li)用率高。. 途徑:合(he)理確(que)定爆(bao)(bao)(bao)破(po)(po)(po)參數(shu),合(he)理布置(zhi)炮(pao)(pao)眼(yan)(yan),選(xuan)用適宜(yi)的(de)爆(bao)(bao)(bao)破(po)(po)(po)器. 材(cai)(cai),改(gai)進爆(bao)(bao)(bao)破(po)(po)(po)技術。. 2 ...2012年2月15日(ri)? 意思:在(zai)爆(bao)(bao)(bao)破(po)(po)(po)后,輪廓線上(shang)能(neng)數(shu)到的(de)炮(pao)(pao)眼(yan)(yan)數(shu)占周邊眼(yan)(yan)總數(shu)的(de)比例。 光(guang)面(mian)爆(bao)(bao)(bao)破(po)(po)(po)或預(yu)裂爆(bao)(bao)(bao)破(po)(po)(po)鉆(zhan)眼(yan)(yan)前,應(ying)根(gen)據(ju)鉆(zhan)爆(bao)(bao)(bao)設計(ji)(ji)圖(tu)準確(que)標出炮(pao)(pao)眼(yan)(yan)位(wei)置(zhi),鉆(zhan)孔時應(ying)按鉆(zhan)爆(bao)(bao)(bao)設計(ji)(ji)要(yao)求嚴(yan)格控制炮(pao)(pao)眼(yan)(yan)的(de)間(jian)距(ju)、深(shen)度(du)和角度(du)。掏(tao)槽眼(yan)(yan)的(de)眼(yan)(yan)口間(jian)距(ju)和深(shen)度(du)允(yun)許偏(pian)差為5cm。周邊眼(yan)(yan)的(de)間(jian)距(ju)允(yun)許偏(pian)差 炮(pao)(pao)眼(yan)(yan)殘留率是(shi)什么意思_百度(du)知道2013年8月19日(ri)? 鉆(zhan)眼(yan)(yan)爆(bao)(bao)(bao)破(po)(po)(po)模擬試(shi)卷答案(an)爆(bao)(bao)(bao)破(po)(po)(po),試(shi)題,答案(an),模擬試(shi)題,鉆(zhan)眼(yan)(yan)爆(bao)(bao)(bao)破(po)(po)(po),試(shi)題答案(an)鉆(zhan)眼(yan)(yan)爆(bao)(bao)(bao)破(po)(po)(po)模擬試(shi)卷答案(an) - 豆丁網

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    爆破技術發展現狀及發展趨勢 - 豆丁網

    2021年(nian)1月3日? 四(si),爆(bao)破技(ji)術(shu)(shu)發(fa)展(zhan)趨勢1,爆(bao)破施(shi)(shi)工(gong)(gong)作(zuo)業機(ji)械化(hua)實現鉆(zhan)眼機(ji)械化(hua)是(shi)當前的(de)(de)(de)(de)重要任務(wu)之一(yi)。. 立(li)井大(da)(da)型傘形鉆(zhan)架和(he)重型軌道鑿(zao)巖機(ji)的(de)(de)(de)(de)配套使用(yong)為(wei)立(li)井深孔光面爆(bao)破技(ji)術(shu)(shu)的(de)(de)(de)(de)應用(yong)和(he)發(fa)展(zhan)提供了前提和(he)保障,但其應用(yong)還未能(neng)(neng)普及(ji)。. 巷(xiang)道掘進中(zhong)大(da)(da)型鉆(zhan)鑿(zao)機(ji)械如(ru)鑿(zao)巖臺(tai)車,鉆(zhan)裝機(ji) ...2022年(nian)10月27日? 巖石的(de)(de)(de)(de)硬度(du)也差別(bie)很大(da)(da)。應對很硬的(de)(de)(de)(de)巖層(ceng),用(yong)最大(da)(da)型號(hao)的(de)(de)(de)(de)機(ji)器一(yi)天(tian)也只能(neng)(neng)打十(shi)幾(ji)米,或幾(ji)米,用(yong)最小的(de)(de)(de)(de)型號(hao),打純土層(ceng),一(yi)個小時可能(neng)(neng)能(neng)(neng)打十(shi)幾(ji)米,一(yi)天(tian)能(neng)(neng)鉆(zhan)500米也不成問題。旋挖以效率高為(wei)主要優點,但施(shi)(shi)工(gong)(gong)過程(cheng)中(zhong)會遇到很多問題,如(ru)灌注能(neng)(neng)不能(neng)(neng)及(ji)時跟上(shang)。旋挖成孔鉆(zhan)機(ji)一(yi)天(tian)能(neng)(neng)鉆(zhan)多少米_百度(du)問一(yi)問2022年(nian)2月26日? 隧道洞(dong)身開挖支護的(de)(de)(de)(de)施(shi)(shi)工(gong)(gong)方(fang)案(an). A-1-03施(shi)(shi)工(gong)(gong)技(ji)術(shu)(shu)方(fang)案(an)報審表項目名稱:合同段:承包單位(wei):中(zhong)鐵五(wu)局集團第(di)三(san)(san)工(gong)(gong)程(cheng)有限公司理單位(wei):育才-布(bu)朗交通咨詢監理有限公司二廣(guang)高速公路(lu)懷集至三(san)(san)水段13編號(hao):13-028致(監理工(gong)(gong)程(cheng)師)現報上(shang)沙塘坑隧道洞(dong)身開挖、支護施(shi)(shi) 隧道洞(dong)身開挖、支護的(de)(de)(de)(de)施(shi)(shi)工(gong)(gong)方(fang)案(an) - 豆丁網

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