版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
北京安徽内蒙古三地2001年春季高考英语试卷本试卷分第一卷(选择题)和第二卷(非选择题)两部分,第一卷1-14页,第二卷1-4页。共150分,考试时间120分钟。第一卷(三大题,共95分)Ⅰ、单项填空(共25小题,每小题1分;满分25分)A)从A、B、C、D中找出其划线部分与所给单词的划线部分读音相同的选项例:haveA.gaveB.saveC.hatD.made1.combA.doubtB.troubleC.clubD.lab2.cousinA.oughB.ploughC.JuneD.rush3.worthyA.healthB.furtherC.clothD.through4.curtainA.fruitB.orderC.firmD.nervous5.heightA.eightB.ceilingC.fihgtD.liftB)从A、B、C、D四个选项中,选出可以填入空白处的最佳答案。例:Welastnight,butwewenttotheconcertinstead.A.musthavestudiedB.mightstudyC.shouldhavestudiedD.wouldstudy答案是c6.--writetomewhenyougethome.--.A.ImustB.IshouldD.IwillD.Ican7.Wouldyouslowdownabit,please?Ican'tyou.A.keepupwithB.putupwithC.makeuptoD.holdonto8.atthedoorbeforecnteringplease.A.KnockedB.ToknockC.KnockingD.Knock9.Themenwillhavetowaitalldaythedoctorworksfaster.A.ifB.unlessC.whereD.that10.MrSmith,there'samanatfrontdoorwhosayshehasnewsforyouofgreatimportance.A.the;不填B.the;theC.不填;不填D.不填;the11.Johnsaidhe'dbeenworkingintheofficeforanhour,wastrue.A.heB.thisC.whichD.who12.Hundredsofjobsifthefactorycloses.A.loseB.willbelostC.arelostD.willlose13.Ifthisdictionaryisnotyours,canitbe?A.whatelseB.whoelseC.whicnelse'sD.whoelse's14.-DidyouremembertogiveMarythemoneyyouowedher?-Yes,.IgaveittoherIsawher.A.whileB.themomentC.suddenlyD.once15.I'vewonaholidayfortwotoFlorida.Imymum.A.amtakingB.havetakenC.takeD.willhavetaken16.-Whyhaven'tyouboughtanybutter?-ItobutIforgotaboutit.A.likedB.wishedC.meantD.expected17.Anewcinemahere.Theyhopetofinishitnextmonth.A.willbebuiltB.isbuiltC.hasbeenbuiltD.isbeingbuilt18.Ireadaboutitinsomebookorother,doesitmatteritwas?A.whereB.whatC.howD.which19.Manypeoplehavehelpedwithcannedfood,however,thefoodbankneedsforthepoor.A.moreB.muchC.manyD.most20.Haveagoodrest,youneedtoyourenergygorthetennismatchthisafternoon.A.leveB.saveC.holdD.get21.lateinthemorning,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Having22.Inthatcase,thereisnothingyoucando___thanwait.A.moreB.otherC.betterD.any23.Iamsurprisedthatyoushouldhavebeenfooledbysucha(an)trick.A.ordinaryB.easyC.smartD.simple24.Onelearnsalanguagebymakingmistakesand__them.A.correctB.correctingC.correctsD.tocorrect25.__canyouexpecttogetapayrise.A.WithahardworkB.AlthoughworkhardC.OnlywithhardworkD.NowthatheworkshardⅡ.完型填空(共25小题,每小题1分;满分25分)阅读下面短文,掌握其大意,然后从26-50各题所给的四个选项中,选出一个最佳答案。Peopledonotanalyseeveryproblemtheymeet.Sometimestheytrytorememberasolutionfromthelasttimetheyhada26problem.Theyoftenaccepttheopinionorideasofotherpeople.Othertimestheybegintoactwithout27;theytrytofindasolutionbytrialanderror.28,whenallofthesemethods29,thepersonwithaproblemhastostartanalysing.Therearesix30inanalysingaproblem.31thepersonmustrecognisethatthereisaproblem.Forexample,Sam’sbicycleisbroken,andhecannotrideittoclassasheusuallydoes.Sammust32thatthereisaproblemwithhisbicycle.Nextthepersonmust33theproblem.BeforeSamcanrepairhisbicycle,hemustknowwhyitdoesnotwork.Forexample,hemust34thepartsthatarewrong.Nowthepersonmustlookfor35thatwillmaketheproblemclearerandleadto36solutions.Forexample,supposeSam37thathisbikedoesnotworkbecausethereissomethingwrongwiththebrakes.38hecanlookinhisbicyclerepairbookandreadaboutbrakes,39hisfriendsatthebikeshop,orlookathisbrakescarefully.After40theproblem,thepersonshouldhave41suggestionsforapossiblesolution.TakeSamasanexample42,hissuggestionsmightbe:tightenorloosenthebrakes;buynewbrakesandchangetheoldones.Intheend,one43seemstobethesolution44theproblem.Sometimesthe45ideacomesquite46becausethethinkersuddenlyseessomethingina47way.Sam,forexample,suddenlyseesthereisapieceofchewinggum(口香糖)stucktoabrake.He48hitsonthesolutiontohisproblem:hemust49thebrake.Finallythesolutionis50.Samdoesitandfindshisbicycleworksperfectly.Inshorthehassolvedtheproblem.26.AseriousBusualCsimilarDcommon27.ApracticeBthinkingCunderstandingDhelp28.ABesidesBInsteadCOtherwiseDHowever29.A.failB.workC.changeD.develop30.A.waysB.conditionsC.stagesD.orders31.A.FirstB.UsuallyC.IngeneralD.Mostimportantly32.A.explainB.proveC.showD.see33.A.judgeB.findC.describeD.face34.A.checkB.determineC.correctD.recover35.A.answersB.skillsC.explanationD.information36.A.possibleB.exactC.realD.special37.A.hopesB.arguesC.decidesD.suggests38.A.InotherwordsB.OnceinawhileC.FirstofallD.Atthistime39.A.lookforB.talktoC.agreewithD.dependeon40.A.discussingB.settlingdownC.comparingwithD.stuying41.A.extraB.enoughC.severalD.countless42.A.secondlyB.againC.alsoD.alone43.A.suggestionB.conclusionC.decisionD.discovery44.A.withB.intoC.forD.to45.A.nextB.clearC.finalD.new46.A.unexpectedlyB.lateC.clearlyD.often47.A.simpleB.differentC.quickD.sudden48.A.fortunatelyB.easilyC.clearlyD.immediately49.A.cleanB.separateC.loosenD.remove50.A.recordedB.completedC.testedD.accepeted三、阅读理解(共25小题。A节每小题2分,B节每小题1分;满分45分)A)阅读下列短文,从每题所给的四个选项中,选出一个最佳答案。EveryyearthousandsoftouristsvisitPompeii,Italy.TheyseethesightsthatPompeiiisfamousfor-itsstadium(运动场)andtheatres,itsshopsandrestaurants.Thetouristsdonot,however,seePompeii'speople.TheydonotseethembecausePompeiihasnopeople.NoonehaslivedinOnce,Pompeiiwasabusycityof22000people.ItlayatthefootofMountVesuvius,agrass-coveredvolcano(火山).MountVesuviushadnoterupted(喷发)forcenturies,sothepeoplelfPompeiifeltsafe.Buttheywerenot.InAugustofAD79,MountVesuviuserupted.Theentiretopofthemountainexploded,andahugeblackcloudroseintotheair.SoonstonesandhotashbegantofallonPompeii.Whentheeruptionendedtwodayslater,Pompeiiwasburiedunder20feetofstonesandashes.Almostallofitspeopleweredead.Forcneturies,Pompeiilayburiedunderstoneandash.Then,intheyear1861,anItalianscientistnamedGinseppebegantouncoverPompeii.Slowly,carefully,Ginseppeandhismendug.ThecitylookedalmostthesameasithadlookedinAD79.Therewerestreetsandfountains,housesandshops.Therewasastadiumwith20000seats.Perhapsthemostimportantofall,therewereeverydayobjects,whicntellusagreatdealaboutthepeoplewholivedinPompeii.Manyglassesandjarshadsomedarkbluecollueinthebottom,soweknowthatthepeopleofPompeiilikedwine.Theylikdebread,too;metalbreadpanswereinveerybakery.Inonebakerytherewere81round,flatloavesofbread-atypeofbreadthatisstillsoldinItalytoday.Tinyboxesfilledwithadark,shinypowdertellusthatwomenlikedtoweareye-makeup.Ginseppehasdied,buthisworkcomtinues.One-fourthhasnotbeenuncoveredyet.Scientistsarestilldigging,stillmakingdiscoveriesthatdrawthetouriststoPompeii.51.WhydolargenumbersofpeoplecometoPompeiieachyear?A.TOvisitthevolcano.B.TOshopandeatthere.C.Towatchsportsandplays.D.ToseehowPompeiianslived.52.WhyhadsomanyPompeiiansremainedbyvolcanicMountVesuvius?A.Thecitynearbyofferedallkindsoffun.B.TheareaproducedthefinestwineinItaly.C.Fewpeopleexpectedthevolcanotoeruptagain.D.Themountainwasbeautifulandcoveredwithgrass.53.WhydidthecityuncoveredlookalmostthesameasithadlookedinAD79?A.BecauseGinseppeandhismendugitslowlyandcarefully.B.Becausethecitywasburiedaliveandremaineduntouched.C.Becausescientistssuccessfullyrebuiltthecitywitheverydayobjects.D.Becausenobodyhadlivedinthecityeversincethevolcanoerupted.54.WhatdoweknowaboutthePompeiianswholived2000yearsago?A.TheylivedmoreorlessthesameasItaliansnowdo.B.Theylikedwomenwearingallkindsofmakeup.C.Theyenjoyedalazylifewithdrinkingandeating.D.TheywentbacktoPompeiiaftertheeruptioninAD79.BWhenIwasaboy,IbelongedtotheBoyScouts(童子军),soIusedtogocampingeverysummer,andoncesomethinghappenedwhichIhaveneverbeenabletoexplain.Wewerecampinginaplaceaboveariver.Afterarriving,weallrusheddowntotheriverandhadaswim.Standingbytheriver,wenoticedthatitwassurrounded(环绕)bycliffs(悬崖).Ifsomeonewantedtoreachtheriveratthispoint,hehadtopastourcamp.Severaldayslater,thescoutmasterhadtobeawayforaday.Thatafternoon,wehadsupperearly.Weweresittingroundthefire,eatingandtalking,whenamanwalkedpastandwentdowntowardstheriver.Weallfeltthatthismanlookedverystrange,but,becauseeachofuswasafraidoflookingverystupid,noonesaidanything.Weateratherslowly,takingaslongaspossible.Afterfinishing,wecollectedourplatestogethersothatwecouldtakethemtotheriverwherewealwayswashedthem.Butnoonemovedtowardstheriver-westoodlookingateachotherashamed.Thenallshoutingatonce,webegantalkingaboutthemanwhohadwalkedpastus.Weagreedhowstrangehelookedandwewonderedwhathecouldbedoingbytheriver.Weknewthathecouldonlyreturnbypassingthroughourcamp.Anhourpassed.Thenoneoftheboyssuggestedweshouldcreep(悄悄移动)downbytheriversothatwecouldseewhatthemanwasdoing.Moovingveryslowlyandkeepingintheshadow,wecreptdowntowardsthebank.Oneboyclimbedatreesothathecouldseeeverythingclearly.Hecalledtousthattherewasnoonethere,sowerandowntothebank,lookingeverywherecarefully.Wecouldnotunderstandwherethemanhadgone.Whenitgotdark,wewentbacktoourcampfeelingbewildered.Wetoldthescoutmasterwhathadhappenedintheevening.Smiling,hedoubtedthatwehadseentheman,butfinallysuggestedwegoandlookagain.Wedid,buttherewasnoonethere.Manyyearshavepassed,butIstillrememberitasifitwereyesterday.Whatdidwesee?Idonotknow.55.Thewriterinthetextmainlytellsus.A.thestoryofhischildhoodB.astrangecampingexperienceC.aboutastrangerbytheriverD.aboutagoodplaceforcaming56.Whydidtheboyseattheirsupperslowly?A.Theywantedtodealygoingtotheriverbank.B.Theywerewaitingfortheirscoutmaster.C.Theyhadasupperearlierthanusual.D.Theyweretalkingwhileeating.57.Theword"bewildered"inthetextprobablymians.A.ashamedB.nervousC.unabletounderstandD.eagertoknowsomething58.Whenheheardwhathadhappened,thescoutmaster.A.realizedwhothemanwasB.startedtoworryaboutthemanC.wentbacktolookforthemanD.feltithardtobelievetheboys59.Thewriterstillrememberstheeventbecause.A.theboysactedfoolishlyB.thecampingplaceisbiautifulC.therehasbeennoexplanationfortheeventD.heparticularlyenjoyedhiscampingthatsummerCI’mseventeen.IhadworkedasaboxboyatasupermarketinLosAngeles.Peoplecametothecounterandyouputthingsintheirbagsforthem.Andcarriedthingstotheircars.Itwashardwork.Whileworking,youwearaplatewithyournameonit.IoncemetsomeoneIknewyearsago.Irememberedhesnameandsaid,“MrCastle,howareyou?”wetalkedaboutthisandthat.Asheleft,hesaid,"Itwasnicetalkingtoyou,Brett.”Iheltgreat,herememberedme.ThenIlookeddownatmynameplate.Ohno.hedidn’tremembermeatall,hejustresdthenameplate.IwishIhadput“Irving”downonmynameplate.Ifhe’dhavesaid,“Ohyes,Irving,howcouldIforgetyou?”I’dhavebeenreadyforhim.There’snothingpersonalhere.Themanagerandeveryoneelsewhowereastepabovetheboxboysoftenshoutedorders.Oneofthesewas:youcouldn’taccepttips(小费)。Okay,I’moutsideandIputthebagsinthecar.Foralotofpeople,thenaturalreaction(反应)istotakeaquarterandgiveittome.I’dsay,‘‘I‘msorry,Ican’t,”they‘dgetangry.Whenyougivesomeoneotip,you’resortofbeingpolite.Youtakeaquarterandyouputitintheirhandandyouexpectthemtosay,”Oh,thanksalot.”Whenyousay‘‘I’msorry,Ican’t.”They'dgetangry.Whenyougivesomeoneatip,you'resortofbeingpolite.Youtakeaquarterandyouputitintheirhandandyocxpectthemtosay,"oh,thanksalot."Whenyousay,"I'msorry,Ican't,"theyfeelalittleputdown.Theysay"Noonewillknow.”Andtheyputitinyourpocket.Yousay,"Ireallycan’t.”Itgetstoapointwhereyoualmosthavetohurtapersonphysically(身体上)topreventhimfromtippingyou.Itwasnotinagreementwiththestore’sbeliefinbeingfriendly.Acceptingtipswasafriendlythingandmadethecustomerfeelgood.Ijustcouldn’tunderstandthestrangenessofsomepeople’sideas.Oneladyactuallyputitinmypocket,gotinthecar,anddroveaway.Iwouldhavehadtothrowthequarteratheroreatenitorsomething.Ihaddecidedthatoneyearwasenough.Somepeopleneededthejobtostayaliveandfed.IguessIhadthemeansandcouldaffordtohateitandgiveitup.60.whatcanbethebesttitleforthistext?A.howhardlifeisforBoxBoysB.gettingalongwithCustomersC.whyIGaveupMyJobD.theArtofTakingTips61.Fromthesecondparagraph,wecaninferthat___.A.thewriterdidn’tliketheimpersonalpartofhisjobB.withanameplate,peoplecaneasilystarttalkingC.MrCastlemistookD.Irvingwasthewriter’srealname62.Theboxboyrefusedtoaccepttipsbecause__A.customersonlygavesmalltipsB.somecustomershadstrangeideasabouttippingC.thestoreforbadetheboxboystotaketipsD.hedidn’twanttofightwiththecustomers63.Theunderlinedphras“putdown”inthethirdparagraphprobablymeans__A.misunderstoodB.dEfeatedC.hatefulD.hurtDYouarewhatyoueat.Thissayinghasprovidedscientistswithclues(线索)aboutthedietofhominids-ourearlyrelativesof3millionyearsago.Studyingcarbonatoms(碳原子)lockedupintoothenamel(珐琅质),tworesearchersargueagainstthewidelyheldbeliefthathominidsatelittlemorethanfruitsandleaves.SponheimerandJuliaLee-ThorpoftheUniversityofCapeTown,SouthAfrica,reporttheirfindingsinFriday’sScience.Therearen’tmanycluesforustoknowthelifeofearlyhominids.Theshapeofhominids’teethofferedthefirstclues.Largeandflat-edgedwiththickenamel,theylookedperfectforeatingnutsandfruits,differentfromthesharpteethonewouldwanttotearintomeatwith.Thefirststonetools,whichwouldhelpineatingmeat,didn’tappearuntilabouthalfamillionyearslater.Scientistshavealsofoundmarksonhominids’teethwithpatternsverysimilartothoseontheteethofmodern-dayfruiteaters.SponheimerandLee-Thorptriedanewmethod,lookingatthechemicalcompositionofthetoothenamel.Theystudiedtheenamelforthecarbon-13.Animalsthateatgrasseshavehighercarbon-13levelsthanthoseeatingfruitsandotherplants.Whattheyfoundwasthattheteethtothehominidshadanin-betweenamountofcarbon-13,whichmeantnotonlytheywereeatingfruits,theywereeatingalotofgrasses,oranimalseatinggrasses.Thelowercarbon-13levelscouldalsocomefromeatingcertaintypesofinsects(昆虫).Buttherearepeoplewhounderstanddifferently.Prof.UngaroftheUniversityofOnesuggestionmightbetruethough-takegoodcareofyourteeth.In3millionyears,ascientistmightbeusingthemtofigureoutwhatyouatefordinner.64.Whichofthefollowingcanbethebesttitleforthetext?A.ProtectYourTeethB.WhattheHominidAteC.WheretheHominidlivedD.TheFormationofTeethEnamel65.Beforethetwoscientists'findings,mostpeoplethoughtthathominids______.A.livedhalfamillionyearsagoB.atemainlyfruitsandleavesC.usedtoolstodiggrassD.hadsharpteeth.66.Thetwoscientists'findingswerermainlybasedonthestudyabout_____.A.theshapeofhominids'teethB.theteethmarksofearlyfruiteatersC.thegrassesof3millionyearsagoD.themake-upofthetoothenamel67.WhatisitthatProf.Ungarfindsdoubtful?A.Hominidspossiblyategrass-eatinganimals.B.Hominidsprobablyhaddifferentdiets.C.Hominidswerebasicallyfruit-andgrass-eaters.D.Hominidshadlowerlevelofcarbon-13intheteeth.EHOWTOBOOKBookingopensforBeckettShortson8September.BYTELEPHPNEForcreditcard(信用卡)bookings.Callsareanswered.
BOXOFFICE017892956239am8pm(Mon-Sat)
0541541051(24hours,7days,nobookingcharge).BYFAXForcreditcardbookings.Pleaseallowatleast48hoursforreply,ifrequired.BOXOFFICE01789261974or01862387765BYPOSTPleaseenclose(附上)achequeorcreditcarddetailstogetherwithanSAEoradd50ptothetotalanount(总额)tocoverpostage.PleasesendtotheBoxOffice,RST,Stratford-upon-Avon,Bookingopensforallotherplayson19September.INPERSON
BOXOFFICERSThall,9:30am-8pm(Mon-Sat)(6pmwhentheatresareclosed).OVERSEASBOOKINGTheeasiestmethodofpaymentisbycreditcard.Youcanalsopayby:Eurocheque(upto£500)withyourcardnumberwrittenontheback.PAYINGFORYOURTICKETS
CREDITCARDSWeacceptVisa,MasterCard,AmericanExpressandDinersClub.Pleasefivethecardnumber,nameandaddressofcardholder.
CHEQUESChequesandpostalordersshouldbepayable
to:RoyalShakespeareTheatre.68.Inwhichofthefollowingwaysofbookingdoesoneprobablyhavetopayextramoney?A.inpersonB.bytelephoneC.byfaxD.bypost69.Onehastowaitfor2daysorlongerforareplyifhe/shepays______.A.inpersonB.bytelephoneC.byfaxD.bypost70.Whatisausefulnumbertocallat11amstudy?A.01789295623B.0541541051C.01789261174D.01862387665B)根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。MrsJackson:Hello?Richard:Mum,it'sRichard.71M:Oh,Richard.72R:Yes,yes,fine,Iwaswondering...doyouthinkyoucouldlendmesomemoneytilltheendofthemonth?M:Oh,Richard.73Youreallymustlearntoplanyourmoneyproperly.R:Look,Mum,ifyoucanjusthelpmeoutthistime,74M:75Listen,I'lldoitthistime.Thisisreallythelasttime.R:Oh,thanks,Mum.M:Bye...andnexttime,youcouldphonejustforchat!A:Don'ttellmeyou'rebuyinganotherexpensiveconputer.B:Howareyou?C:IpromiseI'llbemorecarefulinfuture.D:Er...IWillhelpyousavemoney.E:Iseverythingallrightwithyou?F:Well,we'llseeaboutthat.G:I'msogladtogetyourcall.第二卷(共55分)四、单词拼写(共10小题,每小题1分;满分10分)根据下列句子所给单词的首字母,在句子右边的横线上,写出空缺处各单词的正确形式。(每空只写一词)76.ThegamewasagreatsuccessintheUnitedStatesanditsoons__toAustraliaandthentootherEnglish-speakingcountries.76______.77.Thecollegesanduniversitieswereonlyformen,andwomenwerenotp_toattend.77______.78.Trainservicesarenowbacktonafterlastweek'sstrikeinNEWYork.78______.79.There'snoneedtogetangry,Imsuggestedthatyoushoulddothatagain.79______.80.Putonyourc,it'sverycoldoutside.80______.81.CanIhaveaglassoft__juice,please?81______.82.Thefishsmells;Idon’tthinkit’squitef___.82.__________83.Tomispreparingforanexam.Don’td____him.83.__________84.Alices____,ifever,readsabook.84.__________85.Wewerec_____toknowwhereshe’dgone85.__________V.短文改错(共10小题,每小题1.5分;满分15分)此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:该行多一个词:把多余的词用斜线(/)划掉,在该行右边横线上写出该词,并也用斜线划掉。该行缺一个词;在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。注意:原行没有错的不要改。Iusedtolovescienceclass-allofthem-86____biology,chemistry,geography,physics,IthinkI87____likedthoseclassesbecauseIfeltthatithelpedme88____understandwhattheworldworks.Forexample,when89____Iwasachild,therainwasamystery(奥秘).Inone90____Class,Ilearneditrained.Ithinkscienceclasses91____clearupmysteries.Butthenthereisalwaysmore92____mysterieslookinto.Whatwasmyleastfavouriteclass?93____Thatwasmath.Afterlearnthebasicsofthesubjects,94____nothingelseseemedverypracticallytome.Inever95____sawhowIcoulduseitinmydailylife.Ⅵ、书面表达(满分30分)假定你是李华,你所在的学校拟在下个月举办美国电影节(AmericanFilmFestival)。请你根据以下要点给你的美国朋友Peter写一封短信,邀请他给学生做一次讲座。信的主要内容包括:1.讲座目的:使学生对美国电影有所了解;2.讲座内容:简要介绍美国电影(制片)业的历史;3.讲座时间:1小时30分钟左右。注意:1.可以适当增加细节,使结构完整;2.词数100左右。
-------------各类专业好文档,值得你下载,教育,管理,论文,制度,方案手册,应有尽有---------------------------各类专业好文档,值得你下载,教育,管理,论文,制度,方案手册,应有尽有--------------浅埋暗挖隧道工艺标准1.竖井1.1适用范围:本章适用于浅埋暗挖隧道开挖的竖井由格栅钢架、钢筋网片、喷射混凝土联合组成初期支护的施工及验收。1.2编制参考标准及规范《地下铁道工程施工及验收标准》GB50299-1999《铁路隧道施工规范》TB10204-2002J163-20021.3术语(1)圈梁:竖井棚架支护底座的钢筋混凝土结构。(2)竖井棚架:采用工字钢等型钢焊接成型的吊装骨架,用于提升、倒运竖井及隧道内垃圾和各种材料的吊运装置。(3)格栅钢架:用钢筋或型钢焊接加工而形成的架式支架。(4)喷射混凝土:利用压缩空气或其它动力,将按一定配比拌制的混凝土混合物沿管路输送至喷头处,以较高速度垂直射于受喷面,依赖喷射过程中水泥与骨料的连续撞击,压密而形成的一种混凝土。(5)干喷:将水泥和骨料干拌后送到喷嘴,在喷嘴的前端让其与水合流的一种混凝土的施工方法。(6)湿喷:将水泥和骨料加水搅拌均匀后直接喷射到受喷面上的一种混凝土施工方法。(7)初期支护:当设计要求隧洞的永久支护分期完成时,隧洞开挖后及时施工的支护。(8)钢支撑:采用工字钢等型钢焊接成型的支护钢架,用于支撑初衬结构的一种支护方式。1.4一般规定1.4.1竖井的断面形式可采用矩形或圆形,当地质情况较差时宜采用圆形。1.4.2竖井井口应做锁口圈梁,锁口圈梁应在井身掘进前完成。1.4.3竖井应设防雨棚,井口周围应设防汛墙和栏杆。1.4.4竖井应安装上下爬梯,爬梯应牢固可靠,利于行走,不影响竖井施工和运输。1.4.5施工中竖井口、井底、绞车房和工作吊盘间均应有联系信号,必要时可设直通电话。1.5工艺流程(I)锁口圈梁1.5.1圈梁施工前应进行复核量测,确定竖井准确位置。1.5.2开挖圈梁时严禁扰动圈梁底部土方,清出圈梁底后可直接浇注垫层混凝土.1.5.3垫层混凝土应沿线路方向灌注,布灰应均匀,其允许偏差为:+5高程mm,表面平整度3mm。-101.5.4挡水墙高度应高于现况地面该地区最高降水量。1.5.5圈梁钢筋施工应符合下列规定:1钢筋进场后检查出厂材质证明,并按规格、使用部位编号分别加垫木堆放。苫盖,防止雨淋生锈。2钢筋绑扎前检查钢筋是否锈蚀,除锈后方可绑扎。3施工垫层浇注完毕并上强度后方可进行圈梁钢筋施工。4钢筋绑扎应用同标号砂浆垫块或塑料卡支垫,支垫间距为1m左右,并按行列式或交错式摆放,垫块或塑料卡与钢筋应固定牢固。5钢筋绑扎搭接35d,钢筋搭接时,中间和两端共绑扎3处,并必须单独绑扎后,再和交叉钢筋绑扎,钢筋绑扎搭接接头必须错开。6单支箍筋和双支箍筋拐角处与主筋交叉点全部绑扎,双支箍筋平直部分与主筋交叉点可交叉绑扎。7箍筋位置保证正确并垂直主筋,双支箍筋弯钩叠合处,沿受力方向错开设置,单支箍筋可按交错式排列。8钢筋绑扎牢固稳定,不得变形松脱和开焊。9圈梁埋件必须固定,保证牢固、位置正确,埋铁位置根据现场情况设置。10验收标准:钢筋:主筋分布间距:±10双层筋间距:±10保护层厚度:±5双支箍筋单面满焊10d1.5.6圈梁模板施工应符合下列规定:1钢筋绑扎完毕验收后方可支搭模板。2模板进场后立即对模板除锈,并码放好,做好苫盖,模板使用前再对模板刷隔离剂。3模板铺设应牢固、平整、接缝严密不漏浆,相邻两块模板接缝平齐,高低差不大于2mm。支架系统连接应牢固稳定。4混凝土强度达到设计强度50%方可拆除模板,拆除的模板及时清除灰渣及时维修,妥善保管。5验收标准模板:表面平整度:3模内尺寸:+3轴线位移:51.5.7圈梁混凝土施工应符合下列规定:1模板验收完毕后方可浇注混凝土。2混凝土浇注一般采用灰溜子浇注,配合人工手推车浇注。3混凝土振捣采用插入式梅花形振捣,振捣间距不大于50cm,振捣棒插入混凝土内每次不短于3分钟,直至混凝土表面不起泡为准,保证混凝土的振捣密实。4混凝土塌落度14~16cm。5混凝土浇注时严禁向混凝土中加水。6混凝土终凝后采用浇水养护,养护时间不少于14天。7混凝土抗压和抗渗试件应在灌注地点制作。7.验收标准(mm)轴线位移20高程+20垂直度15厚度%%p101.5.8圈梁钢筋、模板、混凝土施工还应符合7.1、7.2、7.3有关规定。(II)竖井棚架1.6.1竖井一般采用龙门架和电葫芦做为运输系统,并设防雨棚。1.6.2施工中所采用的龙门架和电葫芦必须经过计算,是否能够达到竖井提升要求。1.6.3龙门架各立柱应设钢筋混凝土独立墩,并准确定位竖井圈梁上柱脚预埋铁位置1.6.4安装龙门架应首先立托梁,然后架设行梁,再立龙门架的吊梁,最后架设横撑和斜撑。1.6.5龙门架立柱与预埋铁之间应加设焊接三角钢板,焊缝长度不低于2cm。1.6.6电葫芦安装前,应仔细检查有无损坏或丢失的零部件,并给起升和运行减速器加油,将加油孔密封,严防渗漏。1.6.7根据导轨情况,用调整垫圈调整电葫芦轨道,保证轮缘与轨道翼缘间有4mm间隙。1.6.8在轨道两端设置弹性缓冲器,以保证电葫芦行至两端不脱轨或防止破坏机体。1.6.9在轨道或其连接的构架上设置地线,接地线为截面不小于25mm的金属导线。1.6.10龙门架和电葫芦使用中应经常检查、维修和保养。1.6.11提升设备不得超负荷作业,运输速度应符合设备技术要求;1.6.12提升设备应有深度指示器和防过卷、过速等保护装置以及限速器和松绳信号等。1.6.13提升用的钢丝绳和各种悬挂用的连接装置,应具有规定的安全系数,使用前应进行拉力试验,合格后方可安装。(III)竖井开挖1.7.1竖井开挖采用逐榀开挖,每榀对角开挖,开挖顺序为①--③--②--④,严禁全断面开挖。1.7.2竖井格栅榀距严格按照设计要求进行,绝不允许超挖。1.7.3竖井土方开挖严禁向下和向外超挖,尽可能避免对竖井侧壁土质的扰动。(IV)格栅安装1.8.1格栅宜选用钢筋、型钢、钢轨等制成。格栅钢筋的主筋直径不宜小于18mm。1.8.2格栅应在开挖挂网或喷混凝土后及时架设。1.8.3安装前应清除底脚下的废渣及杂物。格栅安装允许偏差:横向和高程为±5cm,垂直度为±2°。1.8.4格栅安装可在开挖面以人工进行,各节钢架间宜以连接板、螺栓和加强筋连接。1.8.5各格栅间宜采用竖向连接筋连接,竖井四角必须各设连接筋1根。1.8.6钢筋网片铺设应平整,并与格栅连接牢固,钢筋网片搭接长度不小于一个网孔。1.8.7钢筋格栅采用双层钢筋网时,应在格栅里外侧各铺设一层,并连接牢固。1.8.8钢筋焊接10d,单面满焊,格栅连接板处设置4根加强筋。1.8.9钢筋焊接时,引弧在形成焊缝部位进行,不得烧伤主筋。1.8.10钢筋焊接过程中及时清渣,焊缝表面光滑,焊缝余高平缓过渡,弧坑必须填满。1.8.11钢筋焊接的焊缝厚度不小于主筋直径的0.3倍,焊缝宽度不小于主筋直径的0.7倍。1.8.12格栅应与所喷混凝土形成一体,保护层厚度不得小于40mm。格栅与围岩间的间隙必须用喷混凝土天实。(V)钢支撑1.9.1竖井支护一般采用盘撑和对撑等钢支撑支护方式。1.9.2竖井钢支撑应在竖井挖至一定深度时,按照设计要求及时安装,一般自地面6米以上,不大于3米设一道,6米以下不大于2米设一道;最下一道钢支撑做至竖井底板上30cm。钢支撑应牢固可靠,对竖井壁能够施加预应力,起到支护作用。1.9.3竖井钢支撑一般采用不低于30#工字钢;八字支撑采用不低于25#工字钢。1.9.4钢支撑需要设置支架时,其支架一般采用Φ48钢管,每两根为一组,间距不大于3米,结构外露稍大于所采用的工字钢宽度,入土不小于1.0米,结构内与钢格栅焊接牢固,钢支撑和支架应在同一平面内。1.9.5工字钢切割面无裂纹、夹渣、分层和大于1mm的缺棱。1.9.6焊缝表面不得有裂纹、焊瘤、烧穿、弧坑等缺陷。焊逢外形均匀,焊道与焊道之间过渡平滑、焊渣与飞溅物清除干净。1.9.7竖井结构施工时,钢支撑上不得堆放材料或其它重物。发现变形、楔子松动或支撑系统出现故障时,必须及时处理。1.9.8钢支撑应随竖井回填自下而上逐层拆除,边拆边回填,必要时应采取加固措施。1.9.9验收标准钢支撑安装位置允许偏差:高程±50mm水平间距±100mm(VI)喷射混凝土1.10.1喷射混凝土应在格栅安装后及时进行,亦采用湿喷工艺。1.10.2喷射混凝土前应清理场地,清扫受喷面;对机具设备进行试运转。就绪后方可进行混凝土喷射作业。1.10.3混凝土配合比应通过试验确定,满足混凝土强度和喷射工艺要求。1.10.4喷射混凝土
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 店铺代理收租合同范例
- 机加工配件合同范例
- 爱车保洁服务合同范例
- 个人转让厂房合同范例
- 泡沫配件采购合同范例
- 不可逾越合同范例
- 公司人才租房合同范例
- 异地订购合同范例
- 工商汽车合同范例
- 护理管理基础模拟考试题(附答案)
- 《物理学之美 插图珍藏版 》读书笔记思维导图PPT模板下载
- 国开电大本科《人文英语4》机考总题库珍藏版
- 腮腺疾病围手术期护理查房
- 学生假期安全承诺书200字(5篇)
- 血液透析个案护理两篇
- GB/T 37814-2019综采综放工作面远距离供电系统技术规范
- 高中通用技术《技术试验及其方法》公开课课件
- PSSR试车前的安全检查
- 基于R语言数据挖掘课程期末论文
- 数字电子技术课程设计电子密码锁
- 防火防爆安全技术课件
评论
0/150
提交评论