版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領(lǐng)
文檔簡介
密封線班內(nèi)序號密封線班內(nèi)序號考生姓名學號班級試室號注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理出卷教師:B卷第1頁(共12頁)廣東科學技術(shù)職業(yè)學院(計算機工程技術(shù)學院)2009-2010學年第1學期期末計算機英語試卷(B卷)(考試班級:07計媒、08級)(時間:90分鐘|滿分:80分)大項標題號一二三四五六七總成績評卷人得分Directions:Thetotaltimelimitforthispaper-basedsessionis90minutes,andthetotalscore80points.PleasemarkorwritealltheanswersontheAnswerSheets.PartI.SectionA:ShortConversationsDirections:Inthissectionyouwillhear10shortconversations.Aftereachconversation,youwillchoosethebestanswerfromthe4alternativesmarkedA,B,CandD.YouwillheareachconversationandquestionTWICE.MarktherightansweronyourANSWERSHEET.Listentothesampleconversationandmakeyourchoice.Woman:Goodmorning!WelcometoGeneralComputers!WhatcanIdoforyou?Man:Goodmorning.MynameisJackyChen.Iamheretoreportforemployment.Question:Whatwillthemando?A.Hewillhaveanexam.B.He’lltakehisjob.C.He’llreadatestpaper.D.He’llmeetasuperior.Themanisreportingforemployment,whichmeanshewilltakeajobofferandstarthiswork.Therefore,thecorrectanswerisB.
1.WhatcanwelearnforMs.Wangfromtheconversation?A.SheisanewemployeeintheDepartmentofTechnicalSupport.B.SheistheheadoftheDepartmentofTechnicalSupport.C.SheistheheadofCustomerServiceDepartment.D.Sheisanewcomerinthecompany.2.What’stheman’sproblem?A.He’slookingforhisEmployeeHandbook.B.HewantstoborrowtheEmployeeHandbookB卷第2頁(共12頁)C.HewantstohelpMantofindhisHandbook.D.B卷第2頁(共12頁)C.HewantstohelpMantofindhisHandbook.D.HelostMan’sEmployeeHandbook.3.Whatdoesthewomanwanttodo?Shewantstodownloadsomesoftwarefromhercomputer.Shewantstoinstallsomesoftwareonhercomputer.Shewantsdeletesomeprogramfromhercomputer.Shewantstouploadsomesoftwaretotheinternet.4.Whatistheman’ssuggestiontotheLady?Trytoreinstalltheoperatingsystembyherself.Asktheladytocontactwithalocalsupportcenter.Cometothecompanytoseekforhelp.Trytochangeanotheroperatingsystem.5.Whatwillthemando?Gototheconcertbyhimself.Gototheconcertwithwoman.Gotothecinemawithwoman.StayhomeandwatchsomeDVDs.6.Whatcanwelearnfromtheconversation?TheladyknowshowtoinstallGeneralComputersLinux7.1.Itisanecessarysteptoprepareacleanpartitionfortheoperatingsystem.Itisnotanecessarysteptoprepareacleanpartitionfortheoperatingsystem.Themansuggeststheladytochangesomethinginhercomputer.7.Whatdoesthewomanwanttodo?Downloadsomesoftware.Installsomesoftware.Organizethestartupprogram.Deletesomesoftware.8.Whatisthefirststepforenablingtheconnection?CheckwhetheryouroperatingsystemhasrecognizedyourWLANadapter.TrytochangeanotherWirelessLAN.AskyourDeviceManagetochecklocalconnection.CheckwhetheryourWindowsXPsystemistheupdatedversion.9.Whatdoesthewomanwanttodo?ConsultsomecommonknowledgeaboutLinuxsystem.SeekforhelponinstallingGeneralComputersOfficeSuiteonmyLinuxsystem.Consultsomecomplicatedcompilingprocess.B卷第3頁(共12頁)Makeareservationforavisitingsupportrepresentativetoinstallthesoftware.10.Whatdoesthewomanneedtodotoachieveherintention?GetanODBCdriverforaGCCSQLServer.LogontoGCCWebsiteandgetaconnector.Downloadsomeunnecessarysoftware..InstallsomenecessarysoftwareSectionB:FillintheBlanksDirections:Inthissectionyouwillhear1conversationthatwillbereadTWICE.Youmustlistencarefullyinordertofillinthe10blankswiththemissingwords.
MarkyouransweronANSWERSHEETIIW:CreationSoftware.Hi,thisisBettyspeaking.CanIhelpyou?M1:Hello,I’dliketospeaktoyourCTO,Mr.Bates,please.W:________11________,please?M1:MynameisBillJohnsonoftheABCComputerCompany.W:Thankyou,Mr.Johnson.________12_______...(IntoPBX)Mr.Bates,Mr.JohnsonofABCisontheline.M2:Canyou________13_______?W:Yes,Mr.Bates.(ToBill)I’msorrytohavekeptyouwaiting.Mr.Johnson.Mr.Batesis_____14_____rightnowandwouldliketoknowwhatyouwanttotalktohimabout.M1:Yes,I’mafraidwehavetomakeabigchangeintherequirementsof_________15__________totheprogramyouaredevelopingforus.WeneedyoutodeveloptheprogramwithJava,inordertoget___________16___________acrossdifferentplatforms.W:Isee.Thankyouverymuch,Mr.Johnson.__________17___________?(IntoPBX)Mr.Bates,Mr.Johnsonwantstodiscusssomenewrequirementsfortheprogramyouare______18_____forhim.M2:Isee.____________19____________.W:Yes,Mr.Bates.(ToBill)Mr.Johnson,I’mverysorrytohavekeptyouwaiting.I’ll__________20________toMr.Bates.PartII.Vocabulary&Structure(20points,20minutes)Directions:Thereare20incompletesentencesinthispart.BeneatheachsentenceyouwillfindfourwordsorphrasesmarkedA,B,CandD.Choosetheoneanswerthatbestcompletesthesentence.Then,onANSWERSHEETI,findthenumberofthequestionandfillinthespacethatcorrespondstotheletteroftheansweryouhave密封線注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理B卷第4頁(共12頁)chosen.Youhave20minutesforthispart.Lookatthefollowingexample:Example:Hello,isthatAceComputers?I’mcalling_________theLANadapterinmydesktopcomputerisnotworking.A. dueto B. becauseC. inspiteof D. regardlessofThisisaStructurequestion.Thestructuralwordbeingtestedisbecause.Thewholesentenceshouldbe,“Hello,isthatAceComputers?I’mcallingbecausetheLANadapterofmydesktopcomputerisnotworking.”Therefore,youshouldchooseanswerB.Nowcompletethefollowingsentences.
21. WindowsCEGUIisverysimilar__________thatofWindowsXP.A.to B.withC. in D.on
22. WindowsXPisan__________versionofWindows2000.A. update B.updatingC.upgraded D.upgrade
23. Couldyoutellmetheinstallationprocessstep__________step?A.by B.afterC.and D.with
24. Linuxwasinitially__________asahobbybyayoungstudentcalledLinusTorvalds.A.created B.discoveredC.formed D.prepared
25. Youare__________totheannualChristmaspartyforGTTstaffandtheirfamiliesfrom2:00p.m.A.invited B.inventedC.hoped D.introduced
26. Please__________tothise-mailwiththenumberofpeoplethatyouwillbringalong.A.reply B.forwardC. accompany D.celebrate
27. HowcanI__________otherusersfromloggingontomycomputer?密封線班內(nèi)序號考生姓名學號班級試室號注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理B卷第5頁(共12頁)A. prevent B.allowC. change D.get
28. WorldWideWebcanprovide__________toavarietyofInternetresourcesfromthesameinterface.A. gate B.doorC. way D.access29. Webtechnologyhasalsobeen__________tohandleconferencingandreal-timecommunications.A.displayed B.transmittedC.facilitated D.extended30. Iwouldliketoexpressmydeepest__________forthetreatmentyoureceivedfromoneofoursupportoperators.A.frustration B.apologiesC.relation D.attention31. Couldyoutellmeifitispossibleto__________aprivatediningroomforSaturday?A.repeat B.retailC.epresentativer D.reserve 32. Isuggestyou__________fullinstallationsothatallthedllswillbeinstalledtothesystemrootofyourcomputer.A. using B.useC. used D.touse33. Multimediamakespossible__________and__________gameswithgreatlyenhancedfeelingandexperience.A.interactive,bored B.innovative,boringC. immersive,dazzling D.interactive,innovative34. Usingmultimediasoftwareorpresentationsisagreatwaytointroducenew__________andtechnologiestostudents.A.contacts B.conceptsC. cores D.combinations35. Ifyouhavethiskindoferror,itisprobablybecauseyoursystemdoesn’t__________theminimumenvironmentrequirements.A.full B.fillC. satisfy D.run36. Acomputerisafastandaccuratesystemthatisorganizedto__________,B卷第6頁(共12頁)__________,and__________data.A.accept,store,process B.deal,calculate,deleteC.function,database,copyD.apply,access,save37. Wouldyoumind__________himthat__________somesuddenchanges,wewanttheMISapplicationyouaredevelopingtobeprogrammedwithCSharp.A.telling,as B.tell,dueC. telling,dueto D.tell,as38. Ihave__________insomerelatedinternshipsandpart-timejobs.A.presented B.practicedC.provided D.participated39. Certainfeaturesofyourapplicationmayonlybeavailable__________.A.whenanetworkconnectionispresentB.whatanetworkconnectionispresentC.whichanetworkconnectionispresentD.howanetworkconnectionispresent40. Pleasesendusaconfirmation__________yourearliestconvenience.A. at B.inC. when D.forPartIII.ReadingComprehension(20points,30minutes)Directions:Inthissectionyouwillreadthreepassages.Eachoneisfollowedbyanumberofquestionsaboutit.Youwillchoosethebestanswer,A,B,C,orD,toeachquestion.Then,onANSWERSHEETI,findthenumberofthequestionandfillinthespacethatcorrespondstotheletteroftheansweryouhavechosen.Youhave30minutesforthispart.Answerallquestionsabouttheinformationinapassageonthebasisofwhatisstatedorimpliedinthatpassage.Forexample,Readthefollowingpassage:TheWorldWideWebisahypertext-basedsystemforfindingandaccessingInternetresources;itisasetofprograms,standards,andprotocolsgoverningthewayinwhichmultimediafilesarecreatedanddisplayedontheInternet.ItcanprovideaccesstoavarietyofInternetresourcesfromthesameinterface,includingFTP,GopherandUsenetnewsgroupsinadditiontoWWWsites.TheWorldWideWebisadistributed,multimediaandhypertextsystem,andthusauniquemediumforcommunicationandforpublishing.BB卷第7頁(共12頁) TheWWWhasallofthefollowingfunctionsEXCEPTA. communication. B. publishing.C. packaging. D. multimedia.TheWorldWideWebisamultimediasystemforthepurposeofcommunicationandpublishing.Threeofthefouroptions—multimedia,communicationandpublishing—appearinthegivenpassage.Therefore,youshouldchooseAnswerC.Nowreadthefollowingpassages.Passage1
Anembeddedsystemisaspecial-purposesysteminwhichthecomputeriscompletelyencapsulatedbythedeviceitcontrols.Unlikeageneral-purposecomputer,suchasapersonalcomputer,anembeddedsystemperformspre-definedtasks.Sincethesystemisdedicatedtoaspecifictask,designengineerscanoptimizeit,reducingthesizeandcostoftheproduct.Embeddedsystemsareoftenmass-produced,sothecostsavedmaybemultipliedbymillionsofitems.Examplesofembeddedsystemsincludeautomatictellermachines(ATMs),flightcontrolhardware/softwareandotherintegratedsystemsinaircraftandmissiles,routers,microwaveovens,andwashingmachines,etc.Someoftheembeddedsystemshavereal-timeperformanceconstraintsthatmustbemet,forreasonssuchassafetyandusability;othersmayhavelowornoperformancerequirements,allowingthesystemhardwaretobesimplifiedtoreducecosts.Forhighvolumesystemssuchasportablemusicplayersormobilephones,minimizingcostisusuallytheprimarydesignconsideration.Engineerstypicallyselecthardwarethatisjust“goodenough”toimplementthenecessaryfunctions.Forexample,adigitalset-topboxforsatellitetelevisionhastoprocesslargeamountsofdataeverysecond,butmostoftheprocessingisdonebycustomintegratedcircuits.TheembeddedCPU“setsup”thisprocess,anddisplaysmenugraphics,etc.Forlow-volumeorprototypeembeddedsystems,personalcomputerhardwarecanbeused,onlytheprogramsandtheoperatingsystemarelimitedorreplaced.Thesoftwarewrittenforembeddedsystemsisoftencalledfirmware,andisstoredinROMorflashmemorychipsratherthanadiskdrive.Itoftenrunswithlimitedhardwareresources:smallornokeyboard,screen,andlittlememory.密封線密封線注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理B卷第8頁(共12頁)Embeddedsystemsresideinmachinesthatareexpectedtoruncontinuouslyforyearswithouterrors,andinsomecasestorecoverbythemselvesifanerroroccurs.Thereforethesoftwareisusuallydevelopedandtestedmorecarefullythanthatforpersonalcomputers,andunreliablemechanicalmovingpartssuchasdiskdrives,switchesorbuttonsareavoided.Recoveryfromerrorsmaybeachievedwithtechniquessuchasawatchdogtimerthatresetsthecomputerunlessthesoftwareperiodicallynotifiesthewatchdog.
Embeddedsystemsrangefromnouserinterfaceatall-dedicatedonlytoonetask-tofulluserinterfacessimilartodesktopoperatingsystemsindevicessuchasPDAs.Inbetweenaredeviceswithsmallcharacterordigit-onlydisplaysandafewbuttons.Thereforeusabilityconsiderationsvarywidely.
TheriseoftheWorldWideWebhasgivenembeddeddesignersanotherquitedifferentoption,byprovidingaWebpageinterfaceoveranetworkconnection.Thisavoidsthecostofasophisticateddisplay,yetprovidescomplexinputanddisplaycapabilitieswhenneeded,onanothercomputer.41. WhichofthefollowingisTRUEaccordingtothefirstparagraph?A. Anembeddedsystemperformswhatevertasksyougive.B. Anembeddedsystemisageneral-purposesystem.C. Costcanbesavedbyproducingembeddedsystems.D. Embeddedsystemscannotbemass-produced.
42. WhichofthefollowingisNOTanexampleofembeddedsystems?A. DesktopcomputerB. ATMC. MicrowaveovenD. Flightcontrolhardware/software43. Itis________thatdo/doesmostoftheprocessinginadigitalset-topboxforsatellitetelevision.A. theembeddedCPU B. customintegratedcircuitsC. theremotecontroller D. heantennat
44. EmbeddedSystemsareused________.A. inmachinesthatareexpectedtoruncontinuouslyforyearswithouterrorsB. withoutanyuserinterfaceC. toaddavarietyoffunctionstoaportablecomputerD. especiallyforgeneralpersonalcomputers
45. Thebesttitleforthispassagecouldbe________.A. Firmware 密封線密封線班內(nèi)序號考生姓名學號班級試室號注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理B卷第9頁(共12頁)B. EmbeddedSystemsC. TheModernUseofEmbeddedSystems D. HardwareforEmbeddedSystemsPassage2
WhenyoutakeyourfirstlookatWindowsServer2008,you'llfindthatmanyofthetraditionaltoolsthatServer2003enjoyedarestillaround:theComputerManagementconsole;theSystemInformationutility;theServicesconsole;andsoforth.AdministrativeToolsarestillinaStartmenufoldernamed"AdministrativeTools,"andyoucanstartfeelingfairlycomfortablewiththeGUIifyouhavebackgroundwithpriorversionsofWindows.
IfyouhaveloggedsomeflighttimewithWindowsVista,thingswilllookevenmorefamiliar.WindowsServer2008hasthelookandfeelofWindowsVista,(Whichmakessense,whenyouconsiderthatbothproductsweredevelopedunderthe"Longhorn"team,andsharemanymegabytesofcode.)ThenewcollapsibleStartmenu,theVista-stylesearchfacilities,aswellassomeofthetools(suchasWindowsFirewallwithAdvancedSecurity)lookjustastheydointheVistaGUI.
WherethingschangeabitisintheServerManagerconsole(ServerManager.msc,typicallyunderC:\Windows\System32),whichisreallythe"nervecenter"ofServer2008.Partsofthisconsolearesimplyconvenientpointerstootheradministrativetools.However,the"Roles"and"Features"nodesmaybeunfamiliartoyou.ThiswhitepaperintroducestheServerManagerconsoleandwillhelpyoufindyourwayaroundit,sothatyoucangetuptospeedwithServer2008morequicklythanIdidwhenIfirststartedpuzzledaroundthissuperconsole!WhenyoufirstlookatWindowsServer2008,youmayfind_____WindowsServer2008sharemanytoolsthatWindowsServer2003has.WindowsServer2008hasnothingtodowithWindowsServer2003WindowsServer2008hasnoadministrativetools.WindowsServer2008hasonlythreetraditionaltools
47. WhichofthefollowingisnotmentionedastoolsofWindowsServer2008thatarenotdifferentfromWindowsServer2003?WindowsFirewallwithAdvancedSecurity.TheComputerManagementconsole.TheServicesconsole.TheSystemInformationutility.
48. Accordingtothepassage,whichofthefollowingstatementaboutWindowsServer2008andWindowsVistaisright?BB卷第10頁(共12頁)A. TheyarealldesignedforservercomputersB. TheyarenotdevelopedunderthesameteamC. TheylookjustthesameD. Theysharesomethingincommon.
49. Thechangehappensin______.A. wherethestartmenuisB. wherethecontrolpanelisC. whereeverythingisD. wheretheManager.mscis
50. Theauthorhopereaderscan____.A. hateWindowsServer2008B. buyWindowsServer2008C. bepuzzledbyWindowsServer2008D. useWindowsServer2008fasterPassage3
MicrosofthasdevelopedaminimisedversionforthenextreleaseofitsWindowsoperatingsystemcodenamedWindows7.
DubbedMinWin,thesoftwareisessentiallyastrippeddownversionoftheWindowskernelthattakesup40Mbofdiskspace.AfullversionofWindowsVistaclaims4Gb.
MinWindoesnothaveagraphicalinterface,forcinguserstointeractwiththeapplicationthroughanintegratedhttpserver.Theapplicationisintendedforinternaluseonly,allowingthefirmtocreateawiderangeoperatingsystemscustomisedforspecifictasks.
MicrosoftcurrentlymarketsWindowsforawideselectionofdevicesrangingfromdesktopcomputersandserverstoTVset-topboxesandnetworkrouters.MinWinwillallowthesoftwaredevelopertoquicklyexpandintonewareas,arguedEricTraut,adistinguishedengineer.
"Thiswillprovideuswiththeabilitytomoveintoalotofnewareas,"TrautsaidatalectureattheUniversityofIllinoisatUrbana.Avideoofthelecturewaspostedontheuniversity'swebsite.
MinWin'ssizekillsanoldpreconceptionaboutWindowsbeingbloatedsoftwarethatneedlesslytakesupspace,headded.
"AlotofpeoplethinkofWindowsasthisreallylarge,bloatedoperatingsystemBB卷第11頁(共12頁)andthat'smaybeafaircharacterisation,Ihavetoadmit.Itislarge.Itcontainsalotofstuffinit,butatitscore,thekernelandthecomponentsthatmakeuptheverycoreoftheoperatingsystemactuallyareprettystreamlined."
TheDamnSmallLinux(DSL)distributionisthesmallestLinuxversionaround.Itsdevelopersaimtokeepthedistributionunder50Mbandthefirstversionmeasuredamere22Mb.IncontrasttoMinWin,however,DSLoffersafullyfunctionaloperatingsystemincludinggraphicsengineandoptionalcomponentssuchasabrowser,emailclientandFTPserver.
Accordingtothepassage,DubbedMinwin________.takesup4Gbofdiskspace.isastrippeddownversionoftheWindowskernal.takesup50Mbofdiskspace.istheminimizedversionforWindowsoperatingsystem.
Minwindoesnothaveagraphicalinterface,sotheuserhasto_____.turntootherapplicationsoftwaretofinishtheuser’sjob.updatetheapplicationtomeetthegraphicalrequirements.installsomenewsoftwareorapplicationprogramtomeetuser’srequirement.interactwiththeapplicationthroughanintegratedhttpserver.
UsingtheMinwin,thesoftwaredeveloper_____.cannotmoveintonewareasveryquickly.canmoveintonewareasveryquickly.needsmuchmorepatience.candevelopnewsoftwareandapplications.
Accordingtothepassage,thepreconceptionaboutwindowsisthat_____.ittakesupsmallspacewhileitsfunctionisn’tverycomprehensive.it’safullyfunctionalsystemandtakesupsmallspace.itsfunctionisnotverycomprehensive.it’sareallylarge,bloatedoperatingsystem.ItcanbelearnedfromthelasttwoparagraphsthatDSL____.A. containssomuchstuffinitthatitwilltakesupalotdiskspace.B. isafullyfunctionaloperatingsystemwithoutgraphicsengine.C. isthesmallestLinuxversionwiththefullyfunctionaloperatingsystem.D. takesup40Mbofdiskspacetoaccomplishitsdevelopers’objectives.密封線密封線注意:密封線內(nèi)不要答題密封線外不要寫姓名、學號、班級、違者試卷作零分處理B卷第12頁(共12)PartIV.Composition(20points,20minutes)Directions:Inthispart,youaregiven20minutestowriteanEmail.Readthedescriptionofthebackground,andwriteyourcompositionontheAnswerSheetII.Pleasedonotsignyourownname.
你,BobFang(bfang@),作為GTT公司的技術(shù)支持人員,需要給SoftStone公司的秘書RachelVaugh(rvaugh@)寫一封e-mail,你需要表達的信息有:感謝對方上次邀請你參加SoftStone舉辦的晚會;邀請對方公司的技術(shù)總監(jiān),Mr.Smith參加定于6月22日上午9點在北京展覽館舉行的2009年中國軟件博覽會,并做有關(guān)嵌入式系統(tǒng)的演說;請RachelVaugh轉(zhuǎn)問Mr.Smith他有什么特殊要求;感謝RachelVaugh為此付出的努力;將此信抄送給你的直接上司MichaelZhang,他的e-mail地址是:mzhang@。淺埋暗挖隧道工藝標準1.豎井1.1適用范圍:本章適用于淺埋暗挖隧道開挖的豎井由格柵鋼架、鋼筋網(wǎng)片、噴射混凝土聯(lián)合組成初期支護的施工及驗收。1.2編制參考標準及規(guī)范《地下鐵道工程施工及驗收標準》GB50299-1999《鐵路隧道施工規(guī)范》TB10204-2002J163-20021.3術(shù)語(1)圈梁:豎井棚架支護底座的鋼筋混凝土結(jié)構(gòu)。(2)豎井棚架:采用工字鋼等型鋼焊接成型的吊裝骨架,用于提升、倒運豎井及隧道內(nèi)垃圾和各種材料的吊運裝置。(3)格柵鋼架:用鋼筋或型鋼焊接加工而形成的架式支架。(4)噴射混凝土:利用壓縮空氣或其它動力,將按一定配比拌制的混凝土混合物沿管路輸送至噴頭處,以較高速度垂直射于受噴面,依賴噴射過程中水泥與骨料的連續(xù)撞擊,壓密而形成的一種混凝土。(5)干噴:將水泥和骨料干拌后送到噴嘴,在噴嘴的前端讓其與水合流的一種混凝土的施工方法。(6)濕噴:將水泥和骨料加水攪拌均勻后直接噴射到受噴面上的一種混凝土施工方法。(7)初期支護:當設(shè)計要求隧洞的永久支護分期完成時,隧洞開挖后及時施工的支護。(8)鋼支撐:采用工字鋼等型鋼焊接成型的支護鋼架,用于支撐初襯結(jié)構(gòu)的一種支護方式。1.4一般規(guī)定1.4.1豎井的斷面形式可采用矩形或圓形,當?shù)刭|(zhì)情況較差時宜采用圓形。1.4.2豎井井口應(yīng)做鎖口圈梁,鎖口圈梁應(yīng)在井身掘進前完成。1.4.3豎井應(yīng)設(shè)防雨棚,井口周圍應(yīng)設(shè)防汛墻和欄桿。1.4.4豎井應(yīng)安裝上下爬梯,爬梯應(yīng)牢固可靠,利于行走,不影響豎井施工和運輸。1.4.5施工中豎井口、井底、絞車房和工作吊盤間均應(yīng)有聯(lián)系信號,必要時可設(shè)直通電話。1.5工藝流程(I)鎖口圈梁1.5.1圈梁施工前應(yīng)進行復(fù)核量測,確定豎井準確位置。1.5.2開挖圈梁時嚴禁擾動圈梁底部土方,清出圈梁底后可直接澆注墊層混凝土.1.5.3墊層混凝土應(yīng)沿線路方向灌注,布灰應(yīng)均勻,其允許偏差為:+5高程mm,表面平整度3mm。-101.5.4擋水墻高度應(yīng)高于現(xiàn)況地面該地區(qū)最高降水量。1.5.5圈梁鋼筋施工應(yīng)符合下列規(guī)定:1鋼筋進場后檢查出廠材質(zhì)證明,并按規(guī)格、使用部位編號分別加墊木堆放。苫蓋,防止雨淋生銹。2鋼筋綁扎前檢查鋼筋是否銹蝕,除銹后方可綁扎。3施工墊層澆注完畢并上強度后方可進行圈梁鋼筋施工。4鋼筋綁扎應(yīng)用同標號砂漿墊塊或塑料卡支墊,支墊間距為1m左右,并按行列式或交錯式擺放,墊塊或塑料卡與鋼筋應(yīng)固定牢固。5鋼筋綁扎搭接35d,鋼筋搭接時,中間和兩端共綁扎3處,并必須單獨綁扎后,再和交叉鋼筋綁扎,鋼筋綁扎搭接接頭必須錯開。6單支箍筋和雙支箍筋拐角處與主筋交叉點全部綁扎,雙支箍筋平直部分與主筋交叉點可交叉綁扎。7箍筋位置保證正確并垂直主筋,雙支箍筋彎鉤疊合處,沿受力方向錯開設(shè)置,單支箍筋可按交錯式排列。8鋼筋綁扎牢固穩(wěn)定,不得變形松脫和開焊。9圈梁埋件必須固定,保證牢固、位置正確,埋鐵位置根據(jù)現(xiàn)場情況設(shè)置。10驗收標準:鋼筋:主筋分布間距:±10雙層筋間距:±10保護層厚度:±5雙支箍筋單面滿焊10d1.5.6圈梁模板施工應(yīng)符合下列規(guī)定:1鋼筋綁扎完畢驗收后方可支搭模板。2模板進場后立即對模板除銹,并碼放好,做好苫蓋,模板使用前再對模板刷隔離劑。3模板鋪設(shè)應(yīng)牢固、平整、接縫嚴密不漏漿,相鄰兩塊模板接縫平齊,高低差不大于2mm。支架系統(tǒng)連接應(yīng)牢固穩(wěn)定。4混凝土強度達到設(shè)計強度50%方可拆除模板,拆除的模板及時清除灰渣及時維修,妥善保管。5驗收標準模板:表面平整度:3模內(nèi)尺寸:+3軸線位移:51.5.7圈梁混凝土施工應(yīng)符合下列規(guī)定:1模板驗收完畢后方可澆注混凝土。2混凝土澆注一般采用灰溜子澆注,配合人工手推車澆注。3混凝土振搗采用插入式梅花形振搗,振搗間距不大于50cm,振搗棒插入混凝土內(nèi)每次不短于3分鐘,直至混凝土表面不起泡為準,保證混凝土的振搗密實。4混凝土塌落度14~16cm。5混凝土澆注時嚴禁向混凝土中加水。6混凝土終凝后采用澆水養(yǎng)護,養(yǎng)護時間不少于14天。7混凝土抗壓和抗?jié)B試件應(yīng)在灌注地點制作。7.驗收標準(mm)軸線位移20高程+20垂直度15厚度%%p101.5.8圈梁鋼筋、模板、混凝土施工還應(yīng)符合7.1、7.2、7.3有關(guān)規(guī)定。(II)豎井棚架1.6.1豎井一般采用龍門架和電葫蘆做為運輸系統(tǒng),并設(shè)防雨棚。1.6.2施工中所采用的龍門架和電葫蘆必須經(jīng)過計算,是否能夠達到豎井提升要求。1.6.3龍門架各立柱應(yīng)設(shè)鋼筋混凝土獨立墩,并準確定位豎井圈梁上柱腳預(yù)埋鐵位置1.6.4安裝龍門架應(yīng)首先立托梁,然后架設(shè)行梁,再立龍門架的吊梁,最后架設(shè)橫撐和斜撐。1.6.5龍門架立柱與預(yù)埋鐵之間應(yīng)加設(shè)焊接三角鋼板,焊縫長度不低于2cm。1.6.6電葫蘆安裝前,應(yīng)仔細檢查有無損壞或丟失的零部件,并給起升和運行減速器加油,將加油孔密封,嚴防滲漏。1.6.7根據(jù)導(dǎo)軌情況,用調(diào)整墊圈調(diào)整電葫蘆軌道,保證輪緣與軌道翼緣間有4mm間隙。1.6.8在軌道兩端設(shè)置彈性緩沖器,以保證電葫蘆行至兩端不脫軌或防止破壞機體。1.6.9在軌道或其連接的構(gòu)架上設(shè)置地線,接地線為截面不小于25mm的金屬導(dǎo)線。1.6.10龍門架和電葫蘆使用中應(yīng)經(jīng)常檢查、維修和保養(yǎng)。1.6.11提升設(shè)備不得超負荷作業(yè),運輸速度應(yīng)符合設(shè)備技術(shù)要求;1.6.12提升設(shè)備應(yīng)有深度指示器和防過卷、過速等保護裝置以及限速器和松繩信號等。1.6.13提升用的鋼絲繩和各種懸掛用的連接裝置,應(yīng)具有規(guī)定的安全系數(shù),使用前應(yīng)進行拉力試驗,合格后方可安裝。(III)豎井開挖1.7.1豎井開挖采用逐榀開挖,每榀對角開挖,開挖順序為①--③--②--④,嚴禁全斷面開挖。1.7.2豎井格柵榀距嚴格按照設(shè)計要求進行,絕不允許超挖。1.7.3豎井土方開挖嚴禁向下和向外超挖,盡可能避免對豎井側(cè)壁土質(zhì)的擾動。(IV)格柵安裝1.8.1格柵宜選用鋼筋、型鋼、鋼軌等制成。格柵鋼筋的主筋直徑不宜小于18mm。1.8.2格柵應(yīng)在開挖掛網(wǎng)或噴混凝土后及時架設(shè)。1.8.3安裝前應(yīng)清除底腳下的廢渣及雜物。格柵安裝允許偏差:橫向和高程為±5cm,垂直度為±2°。1.8.4格柵安裝可在開挖面以人工進行,各節(jié)鋼架間宜以連接板、螺栓和加強筋連接。1.8.5各格柵間宜采用豎向連接筋連接,豎井四角必須各設(shè)連接筋1根。1.8.6鋼筋網(wǎng)片鋪設(shè)應(yīng)平整,并與格柵連接牢固,鋼筋網(wǎng)片搭接長度不小于一個網(wǎng)孔。1.8.7鋼筋格柵采用雙層鋼筋網(wǎng)時,應(yīng)在格柵里外側(cè)各鋪設(shè)一層,并連接牢固。1.8.8鋼筋焊接10d,單面滿焊,格柵連接板處設(shè)置4根加強筋。1.8.9鋼筋焊接時,引弧在形成焊縫部位進行,不得燒傷主筋。1.8.10鋼筋焊接過程中及時清渣,焊縫表面光滑,焊縫余高平緩過渡,弧坑必須填滿。1.8.11鋼筋焊接的焊縫厚度不小于主筋直徑的0.3倍,焊縫寬度不小于主筋直徑的0.7倍。1.8.12格柵應(yīng)與所噴混凝土形成一體,保護層厚度不得小于40mm。格柵與圍巖間的間隙必須用噴混凝土天實。(V)鋼支撐1.9.1豎井支護一般采用盤撐和對撐等鋼支撐支護方式。1.9.2豎井鋼支撐應(yīng)在豎井挖至一定深度時,按照設(shè)計要求及時安裝,一般自地面6米以上,不大于3米設(shè)一道,6米以下不大于2米設(shè)一道;最下一道鋼支撐做至豎井底板上30cm。鋼支撐應(yīng)牢固可靠,對豎井壁能夠施加預(yù)應(yīng)力,起到支護作用。1.9.3豎井鋼支撐一般采用不低于30#工字鋼;八字支撐采用不低于25#工字鋼。1.9.4鋼支撐需要設(shè)置支架時,其支架一般采用Φ48鋼管,每兩根為一組,間距不大于3米,結(jié)構(gòu)外露稍大于所采用的工字鋼寬度,入土不小于1.0米,結(jié)構(gòu)內(nèi)與鋼格柵焊接牢固,鋼支撐和支架應(yīng)在同一平面內(nèi)。1.9.5工字鋼切割面無裂紋、夾渣、分層和大于1mm的缺棱。1.9.6焊縫表面不得有裂紋、焊瘤、燒穿、弧坑等缺陷。焊逢外形均勻,焊道與焊道之間過渡平滑、焊渣與飛濺物清除干凈。1.9.7豎井結(jié)構(gòu)施工時,鋼支撐上不得堆放材料或其它重物。發(fā)現(xiàn)變形、楔子松動或支撐系統(tǒng)出現(xiàn)故障時,必須及時處理。1.9.8鋼支撐應(yīng)隨豎井回填自下而上逐層拆除,邊拆邊回填,必要時應(yīng)采取加固措施。1.9.9驗收標準鋼支撐安裝位置允許偏差:高程±50mm水平間距±100mm(VI)噴射混凝土1.10.1噴射混凝土應(yīng)在格柵安裝后及時進行,亦采用濕噴工藝。1.10.2噴射混凝土前應(yīng)清理場地,清掃受噴面;對機具設(shè)備進行試運轉(zhuǎn)。就緒后方可進行混凝土噴射作業(yè)。1.10.3混凝土配合比應(yīng)通過試驗確定,滿足混凝土強度和噴射工藝要求。1.10.4噴射混凝土作業(yè)應(yīng)自下而上施工,混凝土終凝至下一循環(huán)開挖土方時間應(yīng)不小于3小時。1.10.5作業(yè)開始時必
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
- 6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 2025年度產(chǎn)業(yè)園企業(yè)入駐產(chǎn)業(yè)園區(qū)品牌形象設(shè)計合作協(xié)議4篇
- 2025年度產(chǎn)品陳列效果評估與市場反饋協(xié)議4篇
- 臨時活動板房建設(shè)標準化協(xié)議樣本版B版
- 個人信用擔保協(xié)議:2024年專屬貸款保障協(xié)議一
- 個人與健身俱樂部會員服務(wù)合同20245篇
- 2024藝術(shù)品買賣合同具體描述了書畫作品的交易細節(jié)
- 2024版全新房屋買賣車位協(xié)議下載
- 2024施工員勞務(wù)聘用合同
- 2024版云端服務(wù)器購買協(xié)議范例版B版
- 2025年度產(chǎn)權(quán)明確車位租賃合同糾紛調(diào)解員服務(wù)合同4篇
- 《創(chuàng)傷失血性休克中國急診專家共識(2023)》解讀課件
- 小學六年級數(shù)學100道題解分數(shù)方程
- 會計職業(yè)道德課件(完整版)
- 金屬探測器檢查記錄表
- 2022年五年級數(shù)學興趣小組活動記錄
- Q∕GDW 12127-2021 低壓開關(guān)柜技術(shù)規(guī)范
- YY 0838-2021 微波熱凝設(shè)備
- 商品房預(yù)售合同登記備案表
- 版式設(shè)計發(fā)展歷程-ppt課件
- 通信機房蓄電池放電試驗報告
- 病原細菌的分離培養(yǎng)
評論
0/150
提交評論