橋梁畢業(yè)設(shè)計摘要

摘要隨著中國經(jīng)濟(jì)的騰飛，公路隧道工程也得以迅猛發(fā)展，隧道長度越來越長，斷面尺寸越來越大，修建技術(shù)和營運(yùn)技術(shù)日趨復(fù)雜，一般都建于峽谷和丘陵等地帶之中。地形地質(zhì)條件復(fù)雜，對公路又提出更高的要求。本論文結(jié)合丹海高速公路，對羅圈背隧道工程的實(shí)施方案的優(yōu)化關(guān)于其設(shè)計技術(shù)、施工技術(shù)、施工組織和施工方案的技術(shù)經(jīng)濟(jì)性能進(jìn)行了較全面深入的研究。本文針對羅圈背隧道修筑中存在的問題進(jìn)行研究，其隧道長1950m，設(shè)計洞身寬11.73m,,洞高7.5m.入口段及出口段為V、W級圍巖，洞身段為III、II級圍巖設(shè)計兩條單行曲線隧道。本文在對工點(diǎn)范圍內(nèi)的地形、地質(zhì)及水文條件等外業(yè)資料詳細(xì)勘測的基礎(chǔ)上，參考《公路隧道設(shè)計規(guī)范》、《公路隧道施工技術(shù)規(guī)范》《隧道工程》《地下結(jié)構(gòu)靜力計算》以及以及其他工程設(shè)計經(jīng)驗(yàn)，對該隧道進(jìn)行了較系統(tǒng)的設(shè)計和施工方法研究，全文共八章。主要有隧道基本情況說明（線路情況、隧道所處地質(zhì)條件、地形條件等）隧道洞身設(shè)計、隧道內(nèi)附屬工程設(shè)計、隧道施工組織設(shè)計等。本文對隧道的施工方式進(jìn)行詳細(xì)的說明：光面爆破、一次襯砌、二次支護(hù)、防水、通電。本文中對不良地質(zhì)災(zāi)害的預(yù)測及防治措施也進(jìn)行研究如巖爆的預(yù)測與防止和隧道圍巖失穩(wěn)及施工對策，在施工監(jiān)測方面利用探地雷達(dá)檢測地下工程襯砌質(zhì)量，大大減少空區(qū)、空段、塌方。本文對隧道的施工組織設(shè)計進(jìn)行了詳細(xì)研究，對洞身開挖、襯砌等重要工序提出了詳細(xì)工藝流程。本文的設(shè)計施工方法對丘陵地區(qū)隧道工程有重要參考價值。關(guān)鍵詞：公路隧道；圍巖；爆破；施工組織AbstractWiththeeconomictakeoffofChina,highwaytunnelprojecthasbeentherapiddevelopmentofincreasinglylongtunnellength,crosssectionsizeincreases,theconstructionofincreasinglycomplextechnologyandoperationaltechniquesgenerallybuiltinthevalleysandhillsamongotherareas.Topographicandgeologicconditionsarecomplex,ontheroadhasputforwardhigherrequirements.ThisthesisDanhaihighwaytunnelprojectbackontheRomanianSpaceOptimizationoftheimplementationoftheprogramonitsdesign,constructiontechnology,constructionorganizationandconstructionprogramoftechnicalandeconomicperformanceofamorecomprehensivestudy.Inthispaper,bandybackproblemsinthetunnelconstructionofresearch,thetunnellength1950m,widebodydesignhole11.73m,,holehigh-7.5m.EntranceandexitoftheV,IVgraderocks,holesfiguretoIII,IIsinglecurvesurroundingthetwo-leveldesignofthetunnel.Thisworkpointsintherangeoftopography,geologicalandhydrologicalconditionsloadedwithindustryinformationonthebasisofdetailedinvestigation,referto"tunneldesign","TechnicalSpecificationforConstructionofHighwayTunnel,""tunnelproject","staticanalysisofundergroundstructure"andaswellasotherengineeringdesignexperience,themorethesystemofthetunneldesignandconstructionmethod,thefulltextofeightchapters.Therearebasicconditionsofthetunnelshows(linecondition,thetunnelthegeologicalconditions,terrainconditions,etc.)tunnelandbodydesign,ancillaryworksinsidethetunneldesign,tunnelconstructionorganizationdesign.Thismethodoftunnelconstructiondetailedinstructions:smoothblasting,alining,secondarysupport,water,electricity.Badarticleonpredictionsandgeologicaldisasterspreventionmeasuresarealsostudied,suchaspredictionandpreventionofrockburstandrockfailureandtheconstructionofthetunnelmeasuresusedintheconstructionmonitoring,ground-penetratingradardetectionofundergroundengineeringliningquality,greatlyreducingthegap,spacesegment,landslides.iiiiiiInthispaper,theconstructionofthetunnelforadetailedstudyoforganizationaldesign,excavationofthetunnelbody,liningandotherimportantdetailsofproposedprocessflow.Thismethodofdes