AnchorBolts.ppt

anchorbolts,definitiondifferentkindsofanchorbolts,anchorbolts,ananchorboltisusedtoattachobjectsorstructurestoconcrete.therearemanytypesofanchorbolts,consistingofdesignsthataremostlyproprietarytothemanufacturingcompanies.allconsistofathreadedend,towhichanutandwashercanbeattachedfortheexternalload.anchorboltsareextensivelyusedonalltypesofprojects,fromstandardbuildingstodamsandnuclearpowerplants.typeofanchor1.sleeve2.wedge3.hollowwall4.heavydutyshield5.toggle6.ceiling7.metalhit8.splitdrive9.saw,10.metalframe11.expressnail12.nylon13.steelplug14.hammerdrive15.dropin16.screw17.chemical,1.sleeveanchorbolts,theseconcretefastenersarepre-assembledtomakeinstallationquickandeasy.asleeveanchorhasstrongholdingpowerandaheavy-loadingcapacity.thistypeoffastenercanbeusedinanyholedepthandpre-spottingisnotnecessary.,stepbystepanchorinstallationinstructionsfollow:,drillholesamediameterasanchordiameterand6mmto12mmdeeperthanexpectedembedment.cleanholeofalldebris.setthenutflushwiththetopofthesleeveanchor.insertanchorthroughfixtureintoholeinbasematerialuntilwasherandnutaretightagainstthefixture.turnnutuntilfingertight.usewrenchtosetsleeveanchorbyturningnut3to4timesfullturns,2.wedgeanchors,wedgeanchorarewidelyusedforsecuringallsortsofthingstoconcrete.eachisappliedbyinsertingitinaholedrilledinconcrete.theholediameterisidenticaltothatoftheanchor;thuseachmustbedrivenintothehole.,drillhole12mmdeeperthanthewedgeanchorembedmentusingacarbidetippedbit.(holesizeiswedgeanchorsize).cleanouthole.placenutontheendofwedgeanchor(protectsthreadduringinstallation).hammerwedgeanchorintoholedeepenoughsothatthreadsarebelowsurfaceofbasematerial.tightennutturningapproximatelythreetofourtimesfullturns,stepbystepanchorinstallationinstructionsfollow:,3.hollowwallanchor,hollowwallanchorsareallmetal,pre-assembledfastenersforuseincavitywalls.suitableforlightweightfixingtothinboardorplasterboard.,howtousedrillthecorrectsizeofholetothematerialthentapthehollowwallanchorintotheholeuntilflushwithsurface.turnthescrewwithasuitablescrewdrivertoexpandtheanchor.removethescrewandplacethroughtheholeinthefixtureandbackintothehollowwallandthenre-tightenthescrew.,4.heavydutysheildanchor,heavydutyshieldanchorhasahighretainingpowerandcanberemovedeasily.whentighteningthenutorscrewtheconicalsectionispulledintotheanchorshellsexpandingitandwedgingitinsidetheanchorbase.,stepbystepanchorinstallationinstructionsfollows:,usingadiameterwhichequalstheanchordiameter,drillholetominimumembedment.driveshieldanchortillwasherisflushwithmaterialtobefastened.expandanchorbytighteningnutorheadthreetofivetimesfullturns.,4.heavydutysheildanchor,4.heavydutysheildanchor,5.1.springtoggleanchor,springtoggleisaspecialcavitywallanchormadeofsteel.thewingsopenindependentlybyaspringaction.goodforsmallcavitydepth.,technicaldatasheet,5.1.gravitytoggleanchor,doesnothavewingthatopenindependentlybyspringaction.,toggleanchorinstallationprocedure:drillclearanceholeinplasterorwallboard.insertassembledscrewandbodythroughfixtureintohole.ensuretogglehasfullypassedintocavityandhasdroppeddown.tightenscrewtodesiredposition.donotremovescrewortogglewillbelost.,6.ceilinganchor,7.metalhitanchor,themetalhitanchorisaprecisiondie-cast,light-dutyconcreteanchorcombiningunusualtoughnessandremarkablestrength.themetalhitanchorconsistsofacylindricalzincalloybodyandzincplatedsteelpinexpander.theshank,fromthebottomup,issplitamajorportionofitslength.theanchorbodyhasabore,whichrunsthroughtheheadthicknessandintotheshankforadepthjustbeyondthepointwheretheslotterminatesinthebody.thesteelpinexpanderismadeofhighcarbonsteel,properlyheattreated,andheavilyzincplatedformaximumcorrosionresistance.,anchorfeaturesworksinconcrete,brickorblock.holesizeisanchordiameter.corrosionresistantbodymadeformzamac3zincalloy.relativelytamperproof.nailcomesinstainlesssteel.deadloadsonly.notrecommendedforoverheadapplications.,7.metalhitanchor,8.splitdriveanchor,thesplitdriveanchorisaone-piecetamper-resistant,pre-expandedanchor.theanchorisdesignedforuseinsolidbasematerialsuchasconcrete.theyareavailableinhighstrength,heat-treatedalloysteel,zincplatedineitheraflatorroundheadstyle.lighttomediumdutyinconcrete.,splitdriveanchorfeaturesdiameterofanchorequalsholesizefrictionsetdeadloadsonly,9.sawanchor,10.metalframeanchor,preassembledforquickandeasyinstallation,canbeusedinthinsectionsofconcreteorsolidmasonry.headstylesforeveryapplication.,11.expressnailanchor,anchorfeaturessimplydrillanddrive.fixesoverthetotalembedmentlength.virtuallystressfreefixingthatisnon-corrosive.idealforeconomical,rapidandrepetitiveinstallations.manufacturedfromhardenedspringloadedsteelinazincyellowpassibeatedfinish.speciallydesignednon-tangleendsspeedingupmultipleinstallations.,expressnailanchorisaspecialdesignedbuilt-inplugwithpowerfulexpansion.fastandeasytouse.,12.nylonanchor,nylonanchorsarealightdutynailexpandinganchorforsolidmasonryandhollowwallconstructions.thedesignoftheexpansionnailusedinthenylonanchorissuchthatitcanberemovedifneedbe.ithasasmallslotacrosstheheadofthenailtoaccommodateasmallscrewdriverblade,whenturnedanti-clockwisebythescrewdriverthenailwillbewoundpartwaybackoutofthenylonsleeve.thisenablesaclawhammertobehookedundertheprotrudingheadofthenailandpulledoutofthenylonsleeve.havingwithdrawntheexpansionnailfullyyoucannowpryoutthenylonanchorbody.,12.nylonanchor,countersunkhead:useinsolidconcreteandmasonrysteelzincplatedorstainlesssteelexpansionscrewroundhead:useinsolidconcreteandmasonrysteelzincplatedorstainlesssteelexpansionscrewmushroomhead:useinsolidconcreteandmasonrysteelzincplatedorstainlesssteelexpansion,flathead:useinsolidconcreteandmasonry.steelzincplatedorstainlesssteelexpansionscrew.,12.nylonanchor,howtouse:drillaholethesamesizeasthenylonanchorbody.inserttheanchorthroughthematerialbeingfastenedandpushtoitsfulldepthinthehole.insertthescrewnailandtapwithahammertoexpandtheanchorforsecurefixing.,13.steelpluganchor,14.hammerdriveanchor,15.dropinanchor,perfectexpansionandspec