楼板开洞对钢筋混凝土框剪结构抗震性能的影响

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1、太原理工大学硕士研究生学位论文themiddleoftheholestructureissimulatedandanalyzedthestructureofopenholeinplateunderstaticload，thestressdistributionofbeamandcolumn，discussesthestructureofthemechanismofcrackdevelopment．Thisarticlemainresearchresultsareasfollows：1．Withtheincreaseofopenholer

2、atio，structureofopenholeinone，two，threelayerstructureofthecycle，openholeislocatedintheotherlayersofcycledecreases．Underthesanqeopenholeratio，openthesmallerholeposition，thehigherthestructurelayerofcycle；Openholeislocatedinthecomerofthecycle．Withtheincreaseofopenholeratio，

3、openholelayerlocation，structureofvertexdisplacementwerereducedgradually,andopenholepositionishigher,thesmallerthedisplacementofstructure．StructureAngleopenholeinthetopfloordisplacementislarger．Flooropenholesinthemodel，themodelinthesamelayerdisplacementbetweenlayersofopen

4、holeisbigger；Floorinthemiddleofopenholelittleimpactonstructureofinterlayerdisplacement，Anglehadagreaterinfluenceontheopenhole．Thetopopenholes，thebiggestinfluenceonstructureofreverseAngleinthemiddleandmiddleisminimal．Openholecolumnshearforce，bendingmomentWasdecreased，thet

5、orqueisincreasedobviously．2．Thefloorsingleopenhole，openholeratewas40％，53．3％，thestructureofthelateintotheelastic-plasticstage；Floorstructurelayerofopenholeisatthesametime，thestructureofopenholeislocatedinthesixandninelayerslaterintotheelastic—plasticstage．Achievethesanleg

6、oaldisplacement，openII太原理：E大学硕士研究生学位论文holerate，thegreatertheshearforceissmaller,atthebouomofthestructureoftheopenholeposition：thehighertheshearatthebottomofthestructure．Floormultilayeropenholestructure，openholelayerattheboUomandthetopofthestructureinelastic—plasticstage，

7、firstopenholeislocatedinthecentrallayerofstructureinthemiddleandeveryotherlayerofopenholeintotheelastic-plasticstageatthelatest．InopenholelayerislocatedintheboRom，middle，andtopstructureandisolationlayerinopenhole4holeposition，interlayeropenholeintotheplasticzonelatefailu

8、reearlier,structuralductilityistheworst．Structureofopenholethatopenholesintheinterruptionofbeam，thebeam