建筑結(jié)55課件講解

建筑結(jié)構(gòu)ArchitecturalStructures梁框架梁鋼筋構(gòu)造ReinforcementConfigurationforBeamFrames5.6樓板設(shè)計Beam-SlabDesign梁板結(jié)構(gòu)中主梁一般跨度在5~8米為宜；梁高為跨度的1/15~1/10。Inbeam-slabstructures,theoptimalspanforprimarybeamsisgenerallybetween5to8meters;theheightofthebeamshouldbewithintherangeof1/15to1/10ofitsspan.主梁除承受自重和直接作用在主梁上的荷載外，還承受次梁傳來的集中力。Besidessustainingtheirownweightandloadsdirectlyappliedontothem,primarybeamsalsobearconcentratedforcestransmittedfromsecondarybeams.主梁跨內(nèi)截面按T形截面設(shè)計;Thecross-sectionofthemainbeamwithinthespanisdesignedasaT-section；支座截面按矩形截面設(shè)計。Thesupportsectionisdesignedasarectangularsection.主梁內(nèi)的鋼筋構(gòu)造按照框架梁鋼筋構(gòu)造要求設(shè)置，依據(jù)平法圖集規(guī)定，其構(gòu)造要求如圖:Thereinforcementconfigurationwithintheprimarybeamcanbesetaccordingtotherequirementsforframebeamreinforcement,adheringtotheprovisionsoutlinedintheflatdrawingspecifications,withthedetailedconstructionrequirementsillustratedasshown.框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam梁上部通長筋Toplongitudinalreinforcementinthebeam1梁支座負(fù)筋

Negativereinforcementatbeamsupports2梁側(cè)面縱筋Sidelongitudinalbarsofbeam3梁下部通長筋

Bottomlongitudinalreinforcementofthebeam4梁箍筋

Beamstirrups5梁上部通長筋Toplongitudinalreinforcementinthebeam01位于梁上部截面的兩個角，兩端伸入支座，可采用彎錨方式錨固。Toplongitudinalreinforcementinthebeam,situatedatthetwocornersoftheuppercross-sectionofthebeam,extendsintothesupportsatbothendsandcanbeanchoredusingabentanchoragemethod.框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam梁支座負(fù)筋Negativereinforcementatbeamsupports02位于梁支座附近，其中非通長部分，第一排可在伸入跨內(nèi)1/3Ln處截斷，第二排可在伸入跨內(nèi)1/4Ln處截斷。Negativereinforcementatbeamsupports,locatednearthebeambearings,wherethenon-continuousportion,thefirstrowcanbecutoffat1/3ofthespanlengthintothebay(1/3Ln),andthesecondrowcanbecutoffat1/4ofthespanlengthintothebay(1/4Ln).框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam梁下部通長筋Bottomlongitudinalreinforcementofthebeam03在端支座處，伸入梁上部縱筋內(nèi)側(cè)，中間支座處可采用直錨方式。Attheendsupports,extendsintotheinteriorsideoftheupperlongitudinalbarsofthebeam.Atintermediatesupports,astraightanchoragemethodcanbeadopted.框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam當(dāng)梁腹板厚度大于450mm，在梁的側(cè)面還應(yīng)配置側(cè)面縱向構(gòu)造鋼筋，按照相關(guān)規(guī)定取值，其間距應(yīng)小于等于200mm。Whenthethicknessofthewebofabeamexceeds450mm,laterallongitudinalconstructionreinforcementshouldalsobearrangedonthesidesofthebeam,withspacingnotexceeding200mm,inaccordancewithrelevantregulations.框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam總共兩跨Twosectionsintotal梁尺寸為300x700Ithasdimensionsof300x700millimeters箍筋直徑10Thediameterofthestirrupsis10millimeters框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam加密區(qū)間距100Aspacingof100millimetersinthedensezone非加密區(qū)間距200Aspacingof200millimetersinthenon-densezone框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam箍筋為2肢箍Itfeatures2longitudinalbars上部通長筋2根25Topcontinuousreinforcement,2piecesof25mmdiameter框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam側(cè)面腰筋為4根10Sidestirrupsare4pieces,eachof10millimetersindiameter框架梁內(nèi)鋼筋MainReinforcementBarswithinaFrameBeam梁上部通長筋TopLongitudinalReinforcementintheBeamPARTONE梁上部通長筋TopLongitudinalReinforcementintheBeam位于梁上部的兩個角部，穿過兩跨，兩端伸入端支座，錨固方式為彎錨。Itsituatedatthetwocornersectionsoftheupperpartofthebeam,spanacrosstwobays,withbothendsextendingintotheendsupports,anchoredusingbentbars.縱筋伸至柱外側(cè)縱筋內(nèi)側(cè)，且≥0.4labeThelongitudinalbarsextendtotheinnersideoftheouterlongitudinalbarsofthecolumn,andare≥0.4labe彎鉤長15d

Ahooklengthof15timesthediameter(d)ofthebar梁上部通長筋TopLongitudinalReinforcementintheBeam梁支座負(fù)筋NegativeReinforcementatBeamSupportsPARTTWO端支座標(biāo)注了8根25的支座負(fù)筋，其中包含兩根通長筋，第一排還剩兩根非通長的支座負(fù)筋。Theendsupportismarkedwith8stirrupreinforcementsofsize25,includingtwothroughbars.Inthefirstrow,thereremaintwonon-throughstirrupreinforcementsatthesupport.梁支座負(fù)筋NegativeReinforcementatBeamSupports伸至柱外側(cè)縱筋內(nèi)側(cè)，且≥0.4labeExtendingtotheinnersideoftheouterlongitudinalbarsofthecolumn,withalengthnolessthan0.4timestheanchoragelength(labe)彎鉤長15dAhooklengthof15timesthediameter(d)ofthebar伸入跨內(nèi)ln1/3截斷Theotherendextendsintothespanandiscutoffatln1/3ofthespanlength梁支座負(fù)筋NegativeReinforcementatBeamSupports平直段≥0.4labeThestraightsegmentalsobeingnolessthan0.4timeslabe彎鉤長15dAhooklengthof15timesthediameter(d)ofthebar伸入跨內(nèi)ln1/4截斷Theotherendextendsintothespanandiscutoffatln1/4ofthespanlength梁支座負(fù)筋NegativeReinforcementatBeamSupports中間支座標(biāo)注了8根25的支座負(fù)筋，分兩排放置。Themiddlesupportismarkedwith8negativereinforcementbarsofsize25,arrangedintwolayers.伸入跨內(nèi)ln1/3截斷Theotherendextendsintothespanandiscutoffatln1/3ofthespanlength第一排兩根通長筋Thefirstlayercomprisestwolongitudinalbars梁支座負(fù)筋NegativeReinforcementatBeamSupports中間支座標(biāo)注了8根25的支座負(fù)筋，分兩排放置。Themiddlesupportismarkedwith8negativereinforcementbarsofsize25,arrangedintwolayers.伸入跨內(nèi)ln1/4截斷Theotherendextendsintothespanandiscutoffatln1/4ofthespanlength第二排4根支座負(fù)筋Thesecondlayerconsistsofatotalof4negativereinforcementbars梁支座負(fù)筋NegativeReinforcementatBeamSupports梁側(cè)面縱筋SideLongitudinalBarsofBeamPARTTHREE梁側(cè)面縱筋SideLongitudinalBarsofBeamG4A10為梁側(cè)面縱向構(gòu)造鋼筋ThenotationG4A10onthisbeamindicatesthelongitudinalconstructionreinforcementonthesideofthebeam共4根，每側(cè)兩根Atotalof4bars,twooneachside錨固長度取15dTheanchoragelengthistakenas15timesthediameter拉筋間距為箍筋非加密區(qū)間距兩倍Thespacingofthesestirrupsistwicethatofthenon-densespacingofthehoopreinforcements上下兩排拉筋交錯布置Theupperandlowerrowsofstirrupsarestaggeredinarrangement梁側(cè)面縱筋SideLongitudinalBarsofBeam梁下部通長筋BottomLongitudinalReinforcementoftheBeamPARTFOUR梁下部通長筋BottomLongitudinalReinforcementoftheBeam第1跨梁下部通長筋為8根25，3/5。Thebottomlongitudinalbarsofthefirstspanare8piecesof25mmdiameter,with3/5extendingthrough.第2跨梁下部通長筋為7根25，2/5。Thesecondspanare7piecesof25mmdiameter,with2/5extendingthrough.底下一排縱筋均為5根25，下部通長筋跨越兩跨，兩端伸入端支座。Thebottomrowof5piecesof25mmdiameterextendsacrossbothspans,penetratingintotheendsupports.梁下部通長筋BottomLongitudinalReinforcementoftheBeam伸至梁上部縱筋內(nèi)側(cè)，且≥0.4labeReachinguptotheinnersideoftheupperlongitudinalbars,withalengthofatleast0.4timesthebasicanchoragelength(labe)彎鉤長15d

Ahooklengthof15timesthediameter(d)ofthebar梁下部通長筋BottomLongitudinalReinforcementoftheBeam第2排角部兩根跨越兩跨，伸至上部縱筋內(nèi)側(cè)，平直段≥0.4labe，彎鉤長15d。Inthesecondrow,thetwocornerbarsalsospanacrossbothspans,extendinguptotheinnersideoftheupperlongitudinalreinforcement,featuringastraightsegmentofnolessthan0.4timesthebasicanchoragelength(labe)andahooklengthof15d.梁下部通長筋BottomLongitudinalReinforcementoftheBeam這跨多出的一根，一端伸至端支座彎錨，一端伸入中間支座。Theadditionalbarinthisspanextendstooneendsupportwithabentanchorandpenetratesintotheintermediatesupportontheotherend.梁下部通長筋BottomLongitudinalReinforcementoftheBeam可采用直錨，錨固長度取lae，并大于0.5hc+5d。Possiblyutilizeastraightanchoragewhoselengthistakenaslae,provideditexceeds0.5timestheheightofthecolumn(hc)plus5timesthebardiameter(d).梁下部通長筋BottomLongitudinalReinforcementoftheBeam梁箍筋BeamStirrupsPARTFIVE梁箍筋BeamStirrups加密區(qū)Densezone非加密區(qū)Non-densezone加密區(qū)Densezone間距100Thespaceis100梁箍筋BeamStirrups加密區(qū)長度按抗震等級取，若抗震等級一級，則加密區(qū)長度為2.0hb，即兩倍梁高。Thelengtho