已阅读5页,还剩9页未读, 继续免费阅读
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
CHANGCHUNINSTITUTEOFTECHNOLOGYBUILDINGCONSTRUCTIONCONCRETECRACKOFPREVENTIONANDPROCESSING混凝土的裂缝、预防与处理资料来源IRISHGEOTECHNICALSERVICESLTD设计题目长春钻石礼都4楼土建施工设计学生姓名学院名称土木工程学院专业名称土木工程班级名称土木1042学号指导教师教师职称讲师完成时间2014年3月15日2014年3月15日ABSTRACTTHECRACKPROBLEMOFCONCRETEISAWIDESPREADEXISTENCEBUTAGAINDIFFICULTINSOLVEOFENGINEERINGACTUALPROBLEM,THISTEXTCARRIEDONASTUDYANALYSISTOALITTLEBITFAMILIARCRACKPROBLEMINTHECONCRETEENGINEERING,ANDAIMATCONCRETETHECIRCUMSTANCEPUTFORWARDSOMEPREVENTION,PROCESSINGMEASUREKEYWORDCONCRETECRACKPREVENTIONPROCESSINGFOREWORDCONCRETESISING1KINDISANTICIPATEBYTHEFREESTONEBONE,CEMENT,WATERANDOTHERMIXTUREBUTFORMATIONOFTHEINADDITIONMATERIALOFQUALITYBRITTLENESSNOTANDALLMATERIALBECAUSETHECONCRETECONSTRUCTIONTRANSFORMWITHONESELF,CONTROLETCASERIESPROBLEM,HARDENMODELOFINTHECONCRETEEXISTENCENUMEROUSTINYHOLE,SPIRITCAVEANDTINYCRACK,ISEXACTLYBECAUSETHESEBEGINNINGSTARTBLEMISHOFEXISTENCEJUSTMAKETHECONCRETEPRESENTONESOMENOTANDALLTHECHARACTERISTICOFQUALITYTHETINYCRACKISAKINDOFHARMLESSCRACKANDACCEPTCONCRETEHEAVY,DEFENDSHENANDALITTLEBITOTHERUSEFUNCTIONNOTACREATIONTOENDANGERBUTAFTERTHECONCRETEBESUBJECTEDTOLOTUSCARRY,DIFFERENCEINTEMPERATUREETCFUNCTION,TINYCRACKWOULDCONTINUOUSLYOFEXPANDWITHCONNECT,ENDFORMATIONWECANSEEWITHOUTTHEAIDOFINSTRUMENTSOFMACROVIEWTHECRACKBEALSOTHECRACKTHATTHECONCRETEOFTENSAYINTHEENGINEERINGCONCRETEBUILDINGANDGOUPIECEUSUALLYALLTAKESEWERTOMAKEOF,BECAUSEOFCRACKOFEXISTENCEANDDEVELOPMENTUSUALLYMAKEINNERPARTOFREINFORCINGBARETCMATERIALCREATIONDECAY,LOWERREINFORCEDCONCRETEMATERIALOFLOADINGABILITY,DURABLEANDANTISHENABILITY,INFLUENCEBUILDINGOFEXTERNALAPPEARANCE,SERVICELIFE,SEVERITYWILLTHREATARRIVEPEOPLESLIFEANDPROPERTYSAFETYALOTOFALLOFCRASHOFENGINEERINGSISBECAUSEOFTHEUNSTEADYDEVELOPMENTOFTHECRACKWITHTHERESULTTHATMODERNAGESCIENCERESEARCHWITHAGREATDEALOFOFTHECONCRETEENGINEERINGPRACTICECERTIFICATE,INTHECONCRETEENGINEERINGCRACKPROBLEMISINELUCTABLE,ALSOACCEPTABLEINCERTAINLYOFTHESCOPEJUSTNEEDTOADOPTVALIDOFMEASUREWILLITENDANGERDEGREECONTROLATCERTAINOFSCOPEINSIDETHEREINFORCEDCONCRETENORMISALSOEXPLICITPROVISIONSOMESTRUCTUREATPLACEOFDISSIMILARITYUNDERTHECONDITIONALLOWEXISTENCECERTAINTHECRACKOFWIDTHBUTATUNDERCONSTRUCTIONSHOULDASFARASPOSSIBLEADOPTAVALIDMEASURECONTROLCRACKCREATION,MAKETHESTRUCTUREDONTAPPEARCRACKPOSSIBLYORASFARASPOSSIBLEDECREASECRACKOFAMOUNTANDWIDTH,PARTICULARLYWANTTOASFARASPOSSIBLEAVOIDHARMFULCRACKOFEMERGENCE,INSUREENGINEERINGQUALITYTHUSCONCRETECRACKCREATIONOFTHEREASONBEALOTOFANDHAVEALREADYTRANSFORMEDTOCAUSEOFCRACKSUCHASTEMPERATUREVARIETY,CONSTRINGENCY,INFLATION,THEASYMMETRYSINKTOSINKETCREASONCAUSEOFCRACKHAVEOUTSIDECARRYTHECRACKTHATTHEFUNCTIONCAUSEPROTECTEDENVIRONMENTNOTAPPROPRIATETHECRACKETCCAUSEDWITHCHEMICALEFFECTWANTDIFFERENTIATIONTOTREATINTHEACTUALENGINEERING,WORKOUTAPROBLEMACCORDINGTOTHEACTUALCIRCUMSTANCEINTHECONCRETEENGINEERINGTHEFAMILIARCRACKANDTHEPREVENTION1STEMSUOCRACKANDPREVENTIONSTEMTHESUOCRACKMUCHAPPEARAFTERTHECONCRETEPROTECTBEOVEROFAPERIODOFTIMEORCONCRETESPRINKLETOBUILDTOCOMPLETEBEHINDOFAROUNDAWEEKINTHECEMENTSYRUPHUMIDITYOFEVAPORATEWOULDCREATIONSTEMSUO,ANDTHISKINDOFCONSTRINGENCYISCANTNEGATIVESTEMSUOCRACKOFTHECREATIONBEMAINISBECAUSEOFCONCRETEINSIDEOUTSIDEHUMIDITYEVAPORATEDEGREEDISSIMILARITYBUTCAUSETOTRANSFORMDISSIMILARITYOFRESULTTHECONCRETEISSUBJECTEDTOEXTERIORCONDITIONOFINFLUENCE,SURFACEHUMIDITYLOSSLEADQUICK,TRANSFORMBIGGER,INNERPARTDEGREEOFHUMIDITYVARIETYSMALLERTRANSFORMSMALLER,BIGGERSURFACESTEMTHESUOTRANSFORMTOBESUBJECTEDTOCONCRETEINNERPARTCONTROL,CREATIONMOREBIGPULLSHOULDDINTBUTCREATIONCRACKTHERELATIVEHUMIDITYISMORELOW,CEMENTSYRUPBODYSTEMSUOMOREBIG,STEMTHESUOCRACKBEMOREEASYCREATIONSTEMTHESUOCRACKISMUCHSURFACEPARALLELLINESFORMORTHENETSHALLOWTHINCRACK,WIDTHMANYBETWEEN00502MM,THEFLATSURFACEPARTMUCHSEEINTHEBIGPHYSICALVOLUMECONCRETEANDFOLLOWITMOREINTHINNERBEAMPLANKSHORTTODISTRIBUTESTEMSUOCRACKUSUALLYTHEANTISHENOFINFLUENCECONCRETE,CAUSETHEDURABLEOFTHERUSTECLIPSEINFLUENCECONCRETEOFREINFORCINGBAR,UNDERTHEFUNCTIONOFTHEWATERPRESSUREDINTWOULDCREATIONTHEWATERPOWERSPLITCRACKINFLUENCECONCRETEOFLOADINGDINTETCCONCRETESTEMTHESUOBEMAINWITHWATERASHOFTHECONCRETERATIO,THEDOSAGEOFTHECOMPOSITION,CEMENTOFCEMENT,GATHERTOANTICIPATEOFTHEDOSAGEOFTHEPROPERTYANDDOSAGE,INADDITIONETCRELEVANTMAINPREVENTIONMEASUREWHILEBEINGTOCHOOSETOUSETHECONSTRINGENCYQUANTITYSMALLERCEMENT,GENERALLOWHOTWATERMIREANDPOWDERASHFROMSTOVECEMENTINTHEADOPTION,LOWERTHEDOSAGEOFCEMENTTWOISACONCRETEOFSTEMTHESUOBESUBJECTEDTOWATERASHRATIOOFINFLUENCEMOREBIG,WATERASHRATIOMOREBIG,STEMSUOMOREBIG,SOINTHECONCRETEMATCHTHERATIOTHEDESIGNSHOULDASFARASPOSSIBLECONTROLGOODWATERASHRATIOOFCHOOSETOUSE,THECHANADDINTHEMEANTIMEACCOMMODATIONOFREDUCEWATERTHREEISSTRICTCONTROLCONCRETEMIXBLENDWITHUNDERCONSTRUCTIONOFMATCHRATIO,USEOFCONCRETEWATERQUANTITYABSOLUTECANTBIGINMATCHRATIODESIGNGIVESETTLEOFUSEWATERQUANTITYFOURISTHEEARLIERPERIODWHICHSTRENGTHENCONCRETETOPROTECT,ANDAPPROPRIATEEXTENSIONPROTECTOFCONCRETETIMEWINTERCONSTRUCTIONWANTTOBEAPPROPRIATEEXTENSIONCONCRETEHEATPRESERVATIONTOOVERLAYTIME,ANDTU2SHUAPROTECTTOPROTECTFIVEISACONSTITUTIONTHEACCOMMODATIONISINTHECONCRETESTRUCTUREOFTHECONSTRINGENCYSEW2THESUCONSTRINGENCYCRACKANDPREVENTIONSUCONSTRINGENCYISTHECONCRETEISBEFORECONDENSE,SURFACEBECAUSEOFLOSEWATERQUICKERBUTCREATIONOFCONSTRINGENCYTHESUCONSTRINGENCYCRACKISGENERALATDRYHEATORSTRONGWINDTHEWEATHERAPPEAR,CRACKSMUCHPRESENTINGINTHECENTERBREADTH,BOTHENDSBEINTHECENTERTHINANDTHELENGTHBEDIFFERENT,WITHEACHOTHERNOTCOHERENTAPPEARANCESHORTERCRACKGENERALLONG2030CM,THELONGERCRACKCANREACHTOA23M,BREADTH15MMITCREATIONOFMAINREASONISTHECONCRETEISEVENTUALLYALMOSTHAVINGNOSTRENGTHORSTRENGTHBEFORETHENINGVERYSMALL,PERHAPSCONCRETEJUSTEVENTUALLYNINGBUTSTRENGTHVERYHOUR,BESUBJECTEDTOHEATORCOMPARESTRONGWINDDINTOFINFLUENCE,THECONCRETESURFACELOSEWATERTOLEADQUICK,RESULTININTHECAPILLARYCREATIONBIGGERNEGATIVEPRESSBUTMAKEACONCRETEPHYSICALVOLUMESHARPLYCONSTRINGENCY,BUTATTHISTIMETHESTRENGTHOFCONCRETEAGAINCANTRESISTITSCONSTRINGENCY,THEREFORECREATIONCRACKEDTHEINFLUENCECONCRETESUCONSTRINGENCYOPENTHEMAINFACTOROFCRACKTOHAVEWATERASHRATIO,CONCRETEOFCONDENSETIME,ENVIRONMENTTEMPERATURE,WINDVELOCITY,RELATIVEHUMIDITYETCMAINPREVENTIONMEASUREONEISCHOOSETOUSESTEMTHESUOVALUESMALLERHIGHERHUOSOURSALTOFTHEEARLIERPERIODSTRENGTHORCOMMONTHEHUOSOURBRINEMIRETWOISSTRICTTHECONTROLWATERASHRATIO,THECHANADDTOEFFICIENTLYREDUCEWATERTOINCREMENTTHECOLLAPSEOFCONCRETEFALLADEGREEANDWITHEASY,DECREASECEMENTANDWATEROFDOSAGETHREEISTOSPRINKLEBEFOREBUILDINGCONCRETE,WATERBASICLEVELANDTEMPLATEEVENTOSOAKTHROUGHFOURISINTIMETOOVERLAYTHEPERHAPSDAMPGRASSMATOFTHEPLASTICSTHINFILM,HEMPSLICEETC,KEEPCONCRETEEVENTUALLYBEFORETHENINGSURFACEISMOIST,PERHAPSSPRAYTOPROTECTETCTOCARRYONPROTECTINTHECONCRETESURFACEFIVEISINTHEHEATANDSTRONGWINDTHEWEATHERTOWANTTOESTABLISHTOHIDESUNANDBLOCKBREEZEFACILITIES,PROTECTINTIME3SINKTOSINKCRACKANDPREVENTIONTHECREATIONWHICHSINKTOSINKCRACKISBECAUSEOFTHESTRUCTUREFOUNDATIONSOILQUALITYNOTANDEVENLY,LOOSESOFTORRETURNTOFILLSOILDISHONESTORSOAKINWATERBUTRESULTINTHEASYMMETRYSINKTODECLINEWITHTHERESULTTHATPERHAPSBECAUSEOFTEMPLATEJUSTDEGREESHORTAGE,THETEMPLATEPROPPEDUPTOONCEBEAPARTFROMBIGORPROPUPBOTTOMLOOSEMOVEETCTOCAUSE,ESPECIALLYATWINTER,THETEMPLATEPROPUPATJELLYSOILUP,JELLYTHESOILTURNJELLYEMPRESSCREATIONASYMMETRYTOSINKTODECLINEANDCAUSECONCRETESTRUCTURECREATIONCRACKTHISKINDCRACKMANYISDEEPENTERORPIERCETHROUGHSEXCRACK,ITALIGNMENTHAVESOMETHINGTODOWITHSINKINGTOSINKACIRCUMSTANCE,GENERALFOLLOWWITHGROUNDPERPENDICULARORPRESENT30S45CAPEDIRECTIONDEVELOPMENT,BIGGERSINKTOSINKCRACK,USUALLYHAVECERTAINOFWRONG,CRACKWIDTHUSUALLYWITHSINKTODECLINEQUANTITYDIRECTPROPORTIONRELATIONCRACKWIDTHUNDERTHEINFLUENCEOFTEMPERATUREVARIETYSMALLERTHEFOUNDATIONAFTERTRANSFORMSTABILITYSINKTOSINKCRACKALSOBASICTENDINSTABILITYMAINPREVENTIONMEASUREONEISRIGHTNESSLOOSESOFTSOIL,RETURNTOFILLSOILFOUNDATIONACONSTRUCTIONATTHEUPPERPARTSTRUCTUREFRONTSHOULDCARRYONNECESSITYOFHANGSOLIDWITHREINFORCETWOISTHESTRENGTHTHATASSURANCETEMPLATEISENOUGHANDJUSTDEGREE,ANDPROPUPFIRM,ANDMAKETHEFOUNDATIONBESUBJECTEDTODINTEVENTHREEISKEEPCONCRETEFROMSPRINKLEINFUSINGTHEFOUNDATIONINTHEPROCESSISSOAKBYWATERFOURISTIMETHATTEMPLATETOREDOWNTOCANTBETOOEARLY,ANDWANTTONOTICETODISMANTLEAMOLDORDEROFSEQUENCEFIVEISATJELLYSOILTOPTAKETOESTABLISHTEMPLATETONOTICETOADOPTCERTAINOFPREVENTIONMEASURE4TEMPERATURECRACKANDPREVENTIONTEMPERATURECRACKMUCHTHEOCCURRENCEISINBIGSURFACEORDIFFERENCEINTEMPERATUREVARIETYOFTHEPHYSICALVOLUMECONCRETECOMPARETHEEARTHAREAOFTHECONCRETESTRUCTURECONCRETEAFTERSPRINKLINGTOBUILD,INTHEHARDENINGTHEPROCESS,CEMENTWATERTURNACREATIONAGREATDEALOFOFWATERTURNHOT,BETHECEMENTDOSAGEISINTHE350550KG/M3,EACHSIGNSQUARETHERICECONCRETEWILLRELEASEACALORIESOF1750027500KJANDMAKECONCRETEINTERNALTHUSTHETEMPERATURERISETOREACHTO70ORSOEVENHIGHERBECAUSETHEPHYSICALVOLUMEOFCONCRETEBEMOREBIG,AGREATDEALOFOFWATERTURNHOTACCUMULATEATTHECONCRETEINNERPARTBUTNOTEASYSENDFORTH,CAUSEINNERPARTTHETEMPERATUREHOICK,BUTTHECONCRETESURFACESPREADHOTMOREQUICK,SOFORMATIONINSIDEOUTSIDEOFBIGGERDIFFERENCEINTEMPERATURE,THEBIGGERDIFFERENCEINTEMPERATURERESULTININNERPARTANDEXTERIORHOTTHEDEGREEOFTHEBULGECOLDSUODISSIMILARITY,MAKECONCRETESURFACECREATIONCERTAINOFPULLSHOULDDINTWHENPULLSHOULDDINTEXCEEDTHEANTIOFCONCRETEPULLSTRENGTHEXTREMELIMIT,CONCRETESURFACEMEETINGCREATIONCRACK,THISKINDOFCRACKMUCHOCCURRENCEAFTERTHECONCRETEUNDERCONSTRUCTIONPERIODINTHECONCRETEOFUNDERCONSTRUCTIONBEDIFFERENCEINTEMPERATUREVARIETYMOREBIG,PERHAPSISACONCRETETOBESUBJECTEDTOASSAULTOFCOLDWAVEETC,WILLCAUSECONCRETESURFACETHETEMPERATURESHARPLYDESCEND,BUTCREATIONCONSTRINGENCY,SURFACECONSTRINGENCYOFTHECONCRETEBESUBJECTEDTOINNERPARTCONCRETEOFCONTROL,CREATIONVERYBIGOFPULLSHOULDDINTBUTCREATIONCRACK,THISKINDOFCRACKUSUALLYJUSTINMORESHALLOWSCOPEOFTHECONCRETESURFACECREATIONTHEALIGNMENTOFTHETEMPERATURECRACKUSUALLYNONESETTLEREGULATION,BIGAREASTRUCTURETHECRACKOFTENMANEUVERINTERLEAVETHESIZEBIGGERSTRUCTUREOFTHEBEAMPLANKLENGTH,THECRACKRUNPARALLELWITHSHORTSIDEMORETHOROUGHWITHPIERCETHROUGHSEXOFTEMPERATURECRACKGENERALANDSHORTSIDEDIRECTIONPARALLELISMORCLOSEPARALLELISM,CRACKALONGLONGSIDECENTTHESEGMENTAPPEAR,INTHECENTERMOREAIRTIGHTCRACKWIDTHTHESIZEBEDIFFERENT,BESUBJECTEDTOTEMPERATUREVARIETYINFLUENCEMOREOBVIOUS,WINTERCOMPAREBREADTH,SUMMERMORENARROWTHECONCRETETEMPERATURECRACKTHATTHEHEATINFLATIONCAUSEISUSUALLYINTHECENTERTHETHICKBOTHENDSBETHIN,BUTCOLDSUOCRACKOFTHICKTHINVARIETYNOTTOOOBVIOUSTHEEMERGENCEOFTHETHISKINDCRACKWILLCAUSETHERUSTECLIPSEOFREINFORCINGBAR,THECARBONIZATIONOFCONCRETE,THEANTIJELLYWHICHLOWERCONCRETEMELT,ANTITIREDANDANTISHENABILITYETCMAINPREVENTIONMEASUREONEISASFARASPOSSIBLECHOOSETOUSELOWHOTORMEDIUMHOTWATERMIRE,LIKEMINERALRESIDUECEMENT,POWDERASHFROMSTOVECEMENTETCTWOISADECREASECEMENTDOSAGE,CEMENTDOSAGEASFARASPOSSIBLETHECONTROLISINTHE450KG/M3FOLLOWINGTHREEISTOLOWERWATERASHRATIO,WATERASHOFTHEGENERALCONCRETERATIOCONTROLBELOW06FOURISIMPROVEMENTTHEBONEANTICIPATECLASSTOGOTOGETHERWITH,THECHANADDPOWDERASHFROMSTOVEOREFFICIENTLYREDUCEWATERETCTOCOMETOREDUCECEMENTDOSAGEANDLOWERWATERTOTURNHOTFIVEISANIMPROVEMENTCONCRETEOFMIXBLENDTOPROCESSACRAFT,LOWERSPRINKLEOFCONCRETETOBUILDTEMPERATURESIXISTHEINADDITIONTHATTHECHANADDAHAVEOFFIXEDAMOUNTTOREDUCEWATERANDINCREASESU,SLOWNINGETCFUNCTIONINTHECONCRETE,IMPROVEMENTTHECONCRETEMIXTOMATCHATHINGOFMOBILITY,PROTECTWATER,LOWERWATERTOTURNHOT,POSTPONEHOTFENGOFEMERGENCETIMESEVENISTHEHEATSEASONSPRINKLETOBUILDCANTHEADOPTIONTAKETOESTABLISHTOHIDESUNPLANKETCASSISTANCEMEASURECONTROLCONCRETEOFWENSHENG,LOWERTOSPRINKLETEMPERATUREOFBUILDTHECONCRETEEIGHTISTHETEMPERATUREOFBIGPHYSICALVOLUMECONCRETESHOULDTHEDINTRELATETOSTRUCTURESIZE,CONCRETESTRUCTURESIZEMOREBIG,TEMPERATURESHOULDDINTMOREBIG,SOWANTREASONABLEARRANGEMENTCONSTRUCTIONWORKPREFACE,LAYERING,CENTTHEPIECESPRINKLETOBUILD,FORTHECONVENIENCEOFINSPREADHOT,LETUPCONTROLNINEISATGREATINNERPARTCONSTITUTIONOFTHEPHYSICALVOLUMECONCRETECOOLOFFPIPING,COLDWATERPERHAPSCOLDAIRCOOLOFF,LETUPCONCRETEOFINSIDEOUTSIDEDIFFERENCEINTEMPERATURETENISTHESUPERVISIONWHICHSTRENGTHENCONCRETETEMPERATURE,ADOPTTOCOOLOFFINTIME,PROTECTIONMEASURE11ISTORESERVETEMPERATURECONSTRINGENCYTOSEW12ISTOLETUPTOCONTROL,SPRINKLEPROPERBEFOREBUILDINGCONCRETEINTHEJIROCKANDOLDCONCRETETOPBUILDA5MMORSOSANDMATALAYERORUSAGEASPHALTETCMATERIALTU2SHUA13ISTOSTRENGTHENCONCRETETOPROTECT,THECONCRETEAFTERSPRINKLEBUILDUSEMOISTGRASSLIANINTIME,HEMPSLICESETCOVERLAY,ANDATTENTIONSPRINKLEWATERTOPROTECT,APPROPRIATEEXTENSIONPROTECTTIME,ASSURANCETHECONCRETESURFACEBESLOWMOVINGCOOLOFFATTHECOLDSEASON,CONCRETESURFACESHOULDCONSTITUTIONHEATPRESERVATIONMEASURE,INORDERTOPREVENTCOLDWAVEASSAULT14ISTHEALLOCATIONBEALITTLEAMOUNTINTHECONCRETEOFREINFORCINGBARPERHAPSADDFIBERMATERIALCONCRETEOFTEMPERATURECRACKCONTROLATCERTAINOFSCOPEINSIDE5CRACKANDPREVENTIONTHATTHECHEMICALREACTIONCAUSEALKALIBONESANTICIPATINGTHECRACKTHATREACTIONCRACKANDREINFORCINGBARRUSTECLIPSECAUSEISTHEMOSTFAMILIARINTHEREINFORCEDCONCRETESTRUCTUREOFBECAUSEOFCHEMICALREACTIONBUTCAUSEOFCRACKTHECONCRETEBLENDAFUTUREREUNIONCREATIONSOMEALKALESCENCEION,THESEIONWITHSOMEACTIVITYTHEBONEANTICIPATECREATIONCHEMICALREACTIONANDABSORBSURROUNDINGSENVIRONMENTINOFWATERBUTTHEPHYSICALVOLUMEENLARGE,MAKECONCRETECRISPLOOSE,INFLATIONOPENCRACKINTHISKINDOFCRACKGENERALEMERGENCECONCRETESTRUCTUREUSAGEPERIOD,ONCEAPPEARVERYDIFFICULTREMEDIABLE,SOSHOULDATUNDERCONSTRUCTIONADOPTVALIDTHEMEASURECARRYONPREVENTIONMAINOFPREVENTIONMEASUREWHILEBEINGTOCHOOSETOANTICIPATEWITHTHEALKALIACTIVITYSMALLFREESTONEBONETWOISTHEINADDITIONWHICHCHOOSETOUSELOWLYEMIREWITHLOWALKALIORHAVENOALKALITHREEISTHECHANWHICHCHOOSETOUSEACCOMMODATIONWITHANTICIPATETOREPRESSANALKALIBONETOANTICIPATEREACTIONBECAUSETHECONCRETESPRINKLETOBUILD,FLAPDAOBADPERHAPSISAREINFORCINGBARPROTECTIONLAYERTHINNER,THEHARMFULMATERIALGETINTOCONCRETETOMAKEREINFORCINGBARCREATIONRUSTECLIPSE,THEREINFORCINGBARPHYSICALVOLUMEOFTHERUSTECLIPSEINFLATION,CAUSECONCRETEBULGECRACK,THECRACKOFTHISKINDTYPEMUCHISACRACKLENGTHWAYS,FOLLOWTHEPOSITIONOFREINFORCINGBARAPPEARUSUALLYOFPREVENTMEASUREFROMHAVEONEISASSURANCEREINFORCINGBARPROTECTIONTHETHICKNESSOFTHELAYERTWOISACONCRETECLASSTOGOTOGETHERWITHTOWANTGOODTHREEISACONCRETETOSPRINKLETONOTEANDFLAPDAOAIRTIGHTSOLIDFOURISAREINFORCINGBARSURFACELAYERTU2SHUAANTISEPSISCOATINGCRACKPROCESSINGTHEEMERGENCEOFTHECRACKNOTONLYWOULDINFLUENCESTRUCTUREOFWHOLEWITHJUSTDEGREE,RETURNWILLCAUSETHERUSTECLIPSEOFREINFORCINGBAR,ACCELERATIONCONCRETEOFCARBONIZATION,LOWERDURABLEANDANTIOFCONCRETETIRED,ANTISHENABILITYTHEREFOREACCORDINGTOTHEPROPERTYOFCRACKANDCONCRETECIRCUMSTANCEWEWANTDIFFERENTIATIONTOTREAT,INTIMEPROCESSING,WITHASSURANCEBUILDINGOFSAFETYUSAGETHEREPAIRMEASUREOFTHECONCRETECRACKISMAINTOHAVETHEFOLLOWINGSOMEMETHODSURFACEREPAIRMETHOD,INFUSESYRUP,THEQIANSEWMETHOD,THESTRUCTUREREINFORCEAMETHOD,CONCRETEDISPLACEMENTMETHOD,ELECTRICITYCHEMISTRYPROTECTIONMETHODANDIMITATETOLIVINGFROMHEALMETHODSURFACEREPAIRTHEMETHODBEAKINDOFSIMPLE,FAMILIAROFREPAIRMETHOD,ITMAINBEAPPLICABLETOSTABILITYANDTOSTRUCTURELOADINGTHEABILITYDONTHAVETHESURFACECRACKOFINFLUENCEANDDEEPENTERCRACKOFPROCESSINGTHEPROCESSINGMEASURETHATISUSUALLYISASURFACEINCRACKDAUBERYCEMENTSYRUP,THEWREATHOXYGENGUMMIREORATCONCRETESURFACETU2SHUAPAINT,ASPHALTETCANTISEPSISMATERIAL,ATPROTECTIONOFINTHEMEANTIMEFORKEEPINGCONCRETEFROMCONTINUEUNDERTHEINFLUENCEOFVARIOUSFUNCTIONTOOPENCRACK,USUALLYCANADOPTIONTHESURFACEINCRACKGLUETOSTICKGLASSFIBERCLOTHETCMEASURE1,INFUSESYRUP,THEQIANSEWMETHODINFUSEASYRUPMETHODMAINTHECONCRETECRACKBEENAPPLICABLETOHAVEINFLUENCEORHAVEALREADYDEFENDSHENREQUESTTOTHESTRUCTUREWHOLEOFREPAIR,ITISMAKEUSEOFPRESSUREEQUIPMENTSGUMKNOTTHEMATERIALPRESSINTOTHECRACKOFCONCRETE,GUMKNOTTHEMATERIALHARDENBEHINDANDCONCRETEFORMATIONONEBEWHOLE,THUSREINFORCEOFPURPOSETHEINCOMMONUSEGUMKNOTMATERIALHASTHECEMENTTHESYRUP,EPOXY,AJICXISOURESTERANDGATHERAMMONIAESTERTOEQUALIZETOLEARNMATERIALTHEQIANSEWAMETHODISTHATTHECRACKBEAKINDOFMOSTINCOMMONUSEMETHODIN,ITUSUALLYISFOLLOWTHECRACKDIGSLOT,THEQIANFILLSUINTHESLOTORRIGIDWATERMATERIALWITHATTAINCLOSINGCRACKOFPURPOSETHEINCOMMONUSESUMATERIALHASPVCGUMMIRE,PLASTICSOINTMENT,THEDJIRUBBERETCINCOMMONUSERIGIDWATERMATERIALISTHEPOLYMERCEMENTSANDSYRUP2,THESTRUCTUREREINFORCEAMETHODWHENTHECRACKINFLUENCEARRIVECONCRETESTRUCTUREOFFUNCTION,WILLCONSIDERATIONADOPTTOREINFORCEAMETHODTOCARRYONPROCESSINGTOTHECONCRETESTRUCTURETHESTRUCTUREREINFORCEMEDIUMINCOMMONUSEMAINHAVETHEFOLLOWINGAFEWMETHODTHEPIECEOFENLARGEMENTCONCRETESTRUCTUREINEVERYASPECTACCUMULATE,OUTSIDETHECAPEDEPARTMENTOFTHEGOUPIECEPACKTYPESTEEL,ADOPTIONPREPARESHOULDTHEDINTMETHODREINFORCE,GLUETOSTICKSTEELPLATETOREINFORCE,INCREASETOESTABLISHFULCRUMTOREINFORCEANDJETTHECONCRETECOMPENSATIONREINFORCE3,CONCRETEDISPLACEMENTMETHODCONCRETEDISPLACEMENTMETHODISPROCESSINGSEVERITYDAMAGECONCRETEOFAKINDOFVALIDMETHOD,THISMETHODBEFIRSTWILLDAMAGEOFTHECONCRETEPICKANDGETRIDOF,THENAGAINDISPLACEMENTGOINTONEWOFCONCRETEOROTHERMATERIALTHEINCOMMONUSEDISPLACEMENTMATERIALHAVECOMMONCONCRETEORTHECEMENTSANDSYRUP,POLYMERORCHANGESEXPOLYMERCONCRETEORSANDSYRUP4,THEELECTRICITYCHEMISTRYPROTECTIONMETHODTHEELECTRICITYCHEMISTRYANTISEPSISISTOMAKEUSEOFINFLICTIONELECTRICFIELDINLIETHEQUALITYOFELECTRICITYCHEMICALEFFECT,CHANGECONCRETEORREINFORCEDCONCRETETHEENVIRONMENTAPPEARANCEOFTHEPLACE,THEBLUNTNESSTURNREINFORCINGBARTOATTAINTHEPURPOSEOFANTISEPSISCATHODEPROTECTIONMETHOD,CHLORINESALTSWITHDRAWINGAMETHOD,ALKALESCENCETORECOVERAMETHODISACHEMISTRYPROTECTIONMETHODINTHREEKINDSOFINCOMMONUSEBUTVALIDMETHODTHEADVANTAGEOFTHISKINDOFMETHODISAPROTECTIONMETHODUNDERTHEINFLUENCEOFENVIRONMENTFACTORSMALLER,APPLYREINFORCINGBAR,CONCRETEOFLONGTERMANTISEPSIS,SINCECANUSEDFORCRACKSTRUCTUREALREADYCANALSOUSEDFORNEWSETUPSTRUCTURE5,IMITATETOLIVINGFROMLEGALMOREIMITATETOLIVINGFROMHEALTHEMETHODBEAKINDOFNEWCRACKTREATMENT,ITSMIMICRYLIVINGCREATUREORGANIZATIONSECRETEACERTAINMATERIALTOWARDSSUFFERINGWOUNDPARTAUTO,BUTMAKETHEWOUNDPARTHEALOFFUNCTION,JOINSOMEANDSPECIALCOMPOSITIONSUCHASCONTAINTOGLUEKNOTOFTHELIQUIDXINFIBERORCAPSULEINTHECONCRETEOFTHETRADITIONTHECOMPOSITION,ATCONCRETEINNERPARTFORMATIONTHEINTELLIGENCETYPEIMITATETOLIVINGFROMHEALNERVENETWORKSYSTEM,BETHECONCRETEAPPEARCRACKSECRETEAPARTSOFLIQUIDXINFIBERCANMAKETHECRACKREHEALCONCLUSIONTHECRACKISWIDESPREADINTHECONCRETESTRUCTUREEXISTENCEOFAKINDOFPHENOMENON,ITOFEMERGENCENOTONLYWILLLOWERTHEANTISHENOFBUILDINGABILITY,INFLUENCEBUILDINGOFUSAGEFUNCTION,ANDWILLCAUSETHERUSTECLIPSEOFREINFORCINGBAR,THECARBONIZATIONOFCONCRETE,LOWERTHEDURABLEOFMATERIAL,INFLUENCEBUILDINGOFLOADINGABILITY,SOWA
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
- 2025年初中三年级化学专项练习卷
- 2025年河南省周口市扶沟县保安员招聘考试题库附答案解析
- 电解铜箔生产与技术
- 2025年智能财务软件开发项目可行性研究报告及总结分析
- 抢救站位理论考试试题及答案
- 2025年持续发展旅游项目可行性研究报告及总结分析
- 2025年皮棉收购合同协议
- 在合同工程履行期由于(3篇)
- 2025年生态修复与环境保护项目可行性研究报告及总结分析
- 园林景观工程承包合同(3篇)
- 七人学生小品《如此课堂》剧本台词手稿
- 皮革化工材料学
- 断绝父女母女关系协议书
- RFJ05-2009-DQ人民防空工程电气大样图集
- 国民经济统计学(杨灿 周国富)周国富教授课件
- 挡烟垂壁专项方案
- 免疫学(全套课件)
- 加工中心点检表
- 铸造机械日常点检表
- 高钛渣生产工艺资料
- 供应室pdca质量提高腔镜器械包装合格率品管圈ppt模板课件
评论
0/150
提交评论