爆破設(shè)計(jì)及計(jì)算課件

爆破設(shè)計(jì)及計(jì)算爆破設(shè)計(jì)及計(jì)算1錄前言02隧道光面爆破設(shè)計(jì)鉆孔問題思考04現(xiàn)場(chǎng)試驗(yàn)經(jīng)驗(yàn)分享錄201013前言鉆爆法施工是隧道與地下工程中應(yīng)用最早、范圍最廣、適應(yīng)性最強(qiáng)的施工方法,是山嶺隧道、巖石地下工程,以及礦山采掘工程中最經(jīng)濟(jì)合理的施工工法。鉆爆法施工中面臨如下四個(gè)方面的技術(shù)難題●爆破設(shè)計(jì)和安全評(píng)價(jià)的理論依據(jù)及計(jì)算方法●不同隧道、巖層和地質(zhì)條件下的爆破方案優(yōu)選和參數(shù)優(yōu)化●爆破效果、風(fēng)險(xiǎn)和安全評(píng)價(jià)方法及標(biāo)Ⅶ準(zhǔn)●爆破實(shí)時(shí)監(jiān)測(cè)評(píng)價(jià)與反饋設(shè)計(jì)和施工的爆破信息化技術(shù)等步恕一王夢(mèng)前言4前言光面爆破一直是隧道及地下工程安全生產(chǎn)的關(guān)鍵技術(shù)問題。目前,有關(guān)隧道及地下工程光面爆破關(guān)鍵技術(shù)的硏究在于3個(gè)方面●光面爆破機(jī)制●光面爆破參數(shù)●光面爆破控制管理。前言5前言41.4隧道洞身鉆爆開挖應(yīng)采用光面爆破,并作出爆破設(shè)計(jì),施工中應(yīng)根TZ鐵路工程越工技術(shù)育據(jù)爆破效果及量測(cè)報(bào)告調(diào)整爆破參數(shù),T231-2007在施工過程中不斷進(jìn)行優(yōu)化路隧道鉆燒法施工工序及作業(yè)指南415隧道開挖應(yīng)嚴(yán)格控制超欠挖,并按要求進(jìn)行斷面檢測(cè),以滿足過程質(zhì)量驗(yàn)收的需要4.3.3隧道開挖應(yīng)根據(jù)工程地質(zhì)條件、開挖斷面、開挖方法、掘進(jìn)循環(huán)進(jìn)尺0304發(fā)布20074030實(shí)施鉆眼機(jī)具和爆破材料等進(jìn)行鉆爆設(shè)計(jì),并應(yīng)根據(jù)爆破效果不斷調(diào)整和優(yōu)化。道部經(jīng)濟(jì)規(guī)劃研究院發(fā)布前言6Q2/道光面爆破設(shè)計(jì)Q2/道光面爆破設(shè)計(jì)7隧道光面爆破設(shè)計(jì)1、設(shè)計(jì)內(nèi)容鉆爆設(shè)計(jì)的內(nèi)容應(yīng)包括:●炮眼(掏槽眼、輔助眼、周邊眼)的布置、數(shù)目、深度和角度●鉆爆器材、裝藥量和裝藥結(jié)構(gòu)●起爆方法和起爆順序鉆眼機(jī)具和鉆眼要求等鉆爆設(shè)計(jì)文件應(yīng)包括:●炮眼布置圖實(shí)例●邊眼款藥結(jié)圖●主要技術(shù)經(jīng)濟(jì)指標(biāo)及必要的說明隧道光面爆破設(shè)計(jì)8隧道光面爆破設(shè)計(jì)2、設(shè)計(jì)步驟1.分析巖性和隧道斷面2.確定開挖方法3.確定開挖進(jìn)尺4.爆破器材選擇“6125.掏槽眼設(shè)計(jì)6.周邊眼設(shè)計(jì)10.各類孔藥量分配7.二圈眼設(shè)計(jì)11.總藥量和總眼數(shù)核對(duì)8.掘進(jìn)眼設(shè)計(jì)12.爆破網(wǎng)絡(luò)設(shè)計(jì)參數(shù)現(xiàn)場(chǎng)優(yōu)化9.底板眼設(shè)計(jì)隧道光面爆破設(shè)計(jì)9隧道光面爆破設(shè)計(jì)2、設(shè)計(jì)步驟一分析巖性和隧道斷面情責(zé)有點(diǎn)破碎,{現(xiàn)比較明巖石單軸抗壓強(qiáng)度(f值)巖石抗拉強(qiáng)度節(jié)理裂隙發(fā)育情況繪制開挖斷面輪廓線計(jì)算開挖面積確定炸藥單耗1)修正的普氏公式q式中q—單位炸藥消耗量,kgf—巖石堅(jiān)固性系數(shù)300S—巷道掘進(jìn)斷面積,m2k—系數(shù),k=525/p,其中p為爆力,mL隧道光面爆破設(shè)計(jì)10爆破設(shè)計(jì)及計(jì)算課件11爆破設(shè)計(jì)及計(jì)算課件12爆破設(shè)計(jì)及計(jì)算課件13爆破設(shè)計(jì)及計(jì)算課件14爆破設(shè)計(jì)及計(jì)算課件15爆破設(shè)計(jì)及計(jì)算課件16爆破設(shè)計(jì)及計(jì)算課件17爆破設(shè)計(jì)及計(jì)算課件18爆破設(shè)計(jì)及計(jì)算課件19爆破設(shè)計(jì)及計(jì)算課件20爆破設(shè)計(jì)及計(jì)算課件21爆破設(shè)計(jì)及計(jì)算課件22爆破設(shè)計(jì)及計(jì)算課件23爆破設(shè)計(jì)及計(jì)算課件24爆破設(shè)計(jì)及計(jì)算課件25爆破設(shè)計(jì)及計(jì)算課件26爆破設(shè)計(jì)及計(jì)算課件27爆破設(shè)計(jì)及計(jì)算課件28爆破設(shè)計(jì)及計(jì)算課件29爆破設(shè)計(jì)及計(jì)算課件30爆破設(shè)計(jì)及計(jì)算課件31爆破設(shè)計(jì)及計(jì)算課件32爆破設(shè)計(jì)及計(jì)算課件33爆破設(shè)計(jì)及計(jì)算課件34爆破設(shè)計(jì)及計(jì)算課件35爆破設(shè)計(jì)及計(jì)算課件36爆破設(shè)計(jì)及計(jì)算課件37爆破設(shè)計(jì)及計(jì)算課件38爆破設(shè)計(jì)及計(jì)算課件39爆破設(shè)計(jì)及計(jì)算課件40爆破設(shè)計(jì)及計(jì)算課件41爆破設(shè)計(jì)及計(jì)算課件42爆破設(shè)計(jì)及計(jì)算課件43爆破設(shè)計(jì)及計(jì)算課件44爆破設(shè)計(jì)及計(jì)算課件45爆破設(shè)計(jì)及計(jì)算課件46爆破設(shè)計(jì)及計(jì)算課件47爆破設(shè)計(jì)及計(jì)算課件48爆破設(shè)計(jì)及計(jì)算課件49爆破設(shè)計(jì)及計(jì)算課件50爆破設(shè)計(jì)及計(jì)算課件51爆破設(shè)計(jì)及計(jì)算課件52爆破設(shè)計(jì)及計(jì)算課件53爆破設(shè)計(jì)及計(jì)算課件54爆破設(shè)計(jì)及計(jì)算課件55爆破設(shè)計(jì)及計(jì)算課件56爆破設(shè)計(jì)及計(jì)算課件57爆破設(shè)計(jì)及計(jì)算課件58爆破設(shè)計(jì)及計(jì)算課件59爆破設(shè)計(jì)及計(jì)算課件60爆破設(shè)計(jì)及計(jì)算課件61爆破設(shè)計(jì)及計(jì)算課件62爆破設(shè)計(jì)及計(jì)算課件63爆破設(shè)計(jì)及計(jì)算課件64爆破設(shè)計(jì)及計(jì)算課件65爆破設(shè)計(jì)及計(jì)算課件66爆破設(shè)計(jì)及計(jì)算課件67爆破設(shè)計(jì)及計(jì)算課件68爆破設(shè)計(jì)及計(jì)算課件69爆破設(shè)計(jì)及計(jì)算課件70爆破設(shè)計(jì)及計(jì)算課件71爆破設(shè)計(jì)及計(jì)算課件72爆破設(shè)計(jì)及計(jì)算課件73爆破設(shè)計(jì)及計(jì)算課件74爆破設(shè)計(jì)及計(jì)算課件75爆破設(shè)計(jì)及計(jì)算爆破設(shè)計(jì)及計(jì)算76錄前言02隧道光面爆破設(shè)計(jì)鉆孔問題思考04現(xiàn)場(chǎng)試驗(yàn)經(jīng)驗(yàn)分享錄77010178前言鉆爆法施工是隧道與地下工程中應(yīng)用最早、范圍最廣、適應(yīng)性最強(qiáng)的施工方法,是山嶺隧道、巖石地下工程,以及礦山采掘工程中最經(jīng)濟(jì)合理的施工工法。鉆爆法施工中面臨如下四個(gè)方面的技術(shù)難題●爆破設(shè)計(jì)和安全評(píng)價(jià)的理論依據(jù)及計(jì)算方法●不同隧道、巖層和地質(zhì)條件下的爆破方案優(yōu)選和參數(shù)優(yōu)化●爆破效果、風(fēng)險(xiǎn)和安全評(píng)價(jià)方法及標(biāo)Ⅶ準(zhǔn)●爆破實(shí)時(shí)監(jiān)測(cè)評(píng)價(jià)與反饋設(shè)計(jì)和施工的爆破信息化技術(shù)等步恕一王夢(mèng)前言79前言光面爆破一直是隧道及地下工程安全生產(chǎn)的關(guān)鍵技術(shù)問題。目前,有關(guān)隧道及地下工程光面爆破關(guān)鍵技術(shù)的硏究在于3個(gè)方面●光面爆破機(jī)制●光面爆破參數(shù)●光面爆破控制管理。前言80前言41.4隧道洞身鉆爆開挖應(yīng)采用光面爆破,并作出爆破設(shè)計(jì),施工中應(yīng)根TZ鐵路工程越工技術(shù)育據(jù)爆破效果及量測(cè)報(bào)告調(diào)整爆破參數(shù),T231-2007在施工過程中不斷進(jìn)行優(yōu)化路隧道鉆燒法施工工序及作業(yè)指南415隧道開挖應(yīng)嚴(yán)格控制超欠挖,并按要求進(jìn)行斷面檢測(cè),以滿足過程質(zhì)量驗(yàn)收的需要4.3.3隧道開挖應(yīng)根據(jù)工程地質(zhì)條件、開挖斷面、開挖方法、掘進(jìn)循環(huán)進(jìn)尺0304發(fā)布20074030實(shí)施鉆眼機(jī)具和爆破材料等進(jìn)行鉆爆設(shè)計(jì),并應(yīng)根據(jù)爆破效果不斷調(diào)整和優(yōu)化。道部經(jīng)濟(jì)規(guī)劃研究院發(fā)布前言81Q2/道光面爆破設(shè)計(jì)Q2/道光面爆破設(shè)計(jì)82隧道光面爆破設(shè)計(jì)1、設(shè)計(jì)內(nèi)容鉆爆設(shè)計(jì)的內(nèi)容應(yīng)包括:●炮眼(掏槽眼、輔助眼、周邊眼)的布置、數(shù)目、深度和角度●鉆爆器材、裝藥量和裝藥結(jié)構(gòu)●起爆方法和起爆順序鉆眼機(jī)具和鉆眼要求等鉆爆設(shè)計(jì)文件應(yīng)包括:●炮眼布置圖實(shí)例●邊眼款藥結(jié)圖●主要技術(shù)經(jīng)濟(jì)指標(biāo)及必要的說明隧道光面爆破設(shè)計(jì)83隧道光面爆破設(shè)計(jì)2、設(shè)計(jì)步驟1.分析巖性和隧道斷面2.確定開挖方法3.確定開挖進(jìn)尺4.爆破器材選擇“6125.掏槽眼設(shè)計(jì)6.周邊眼設(shè)計(jì)10.各類孔藥量分配7.二圈眼設(shè)計(jì)11.總藥量和總眼數(shù)核對(duì)8.掘進(jìn)眼設(shè)計(jì)12.爆破網(wǎng)絡(luò)設(shè)計(jì)參數(shù)現(xiàn)場(chǎng)優(yōu)化9.底板眼設(shè)計(jì)隧道光面爆破設(shè)計(jì)84隧道光面爆破設(shè)計(jì)2、設(shè)計(jì)步驟一分析巖性和隧道斷面情責(zé)有點(diǎn)破碎,{現(xiàn)比較明巖石單軸抗壓強(qiáng)度(f值)巖石抗拉強(qiáng)度節(jié)理裂隙發(fā)育情況繪制開挖斷面輪廓線計(jì)算開挖面積確定炸藥單耗1)修正的普氏公式q式中q—單位炸藥消耗量,kgf—巖石堅(jiān)固性系數(shù)300S—巷道掘進(jìn)斷面積,m2k—系數(shù),k=525/p,其中p為爆力,mL隧道光面爆破設(shè)計(jì)85爆破設(shè)計(jì)及計(jì)算課件86爆破設(shè)計(jì)及計(jì)算課件87爆破設(shè)計(jì)及計(jì)算課件88爆破設(shè)計(jì)及計(jì)算課件89爆破設(shè)計(jì)及計(jì)算課件90爆破設(shè)計(jì)及計(jì)算課件91爆破設(shè)計(jì)及計(jì)算課件92爆破設(shè)計(jì)及計(jì)算課件93爆破設(shè)計(jì)及計(jì)算課件94爆破設(shè)計(jì)及計(jì)算課件95爆破設(shè)計(jì)及計(jì)算課件96爆破設(shè)計(jì)及計(jì)算課件97爆破設(shè)計(jì)及計(jì)算課件98爆破設(shè)計(jì)及計(jì)算課件99爆破設(shè)計(jì)及計(jì)算課件100爆破設(shè)計(jì)及計(jì)算課件101爆破設(shè)計(jì)及計(jì)算課件102爆破設(shè)計(jì)及計(jì)算課件103爆破設(shè)計(jì)及計(jì)算課件104爆破設(shè)計(jì)及計(jì)算課件105爆破設(shè)計(jì)及計(jì)算課件106爆破設(shè)計(jì)及計(jì)算課件107爆破設(shè)計(jì)及計(jì)算課件108爆破設(shè)計(jì)及計(jì)算課件109爆破設(shè)計(jì)及計(jì)算課件110爆破設(shè)計(jì)及計(jì)算課件111爆破設(shè)計(jì)及計(jì)算課件112爆破設(shè)計(jì)及計(jì)算課件113爆破設(shè)計(jì)及計(jì)算課件114爆破設(shè)計(jì)及計(jì)算課件115爆破設(shè)計(jì)及計(jì)算課件116爆破設(shè)計(jì)及計(jì)算課件117爆破設(shè)計(jì)及計(jì)算課件118爆破設(shè)計(jì)及計(jì)算課件119爆破設(shè)計(jì)及計(jì)算課件120爆破設(shè)計(jì)及計(jì)算課件121爆破設(shè)計(jì)及計(jì)算課件122爆破設(shè)計(jì)及計(jì)算課件123爆破設(shè)計(jì)及計(jì)算課件124爆破設(shè)計(jì)及計(jì)算課件125爆破設(shè)計(jì)及計(jì)算課件126爆破設(shè)計(jì)及計(jì)算課件127爆破設(shè)計(jì)及計(jì)算課件128爆破設(shè)計(jì)及計(jì)算課件129爆破設(shè)計(jì)及計(jì)算課件130爆破設(shè)計(jì)及計(jì)算課件131爆破設(shè)計(jì)及計(jì)算課件132爆破設(shè)計(jì)及計(jì)算課件133爆破設(shè)計(jì)及計(jì)算課件134爆破設(shè)計(jì)及計(jì)算課件135爆破設(shè)計(jì)及計(jì)算課件