已阅读5页,还剩67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
在线教务辅导网HTTP/WWWSHANGFUWANGCOM更多课程配套课件资源请访问在线教务辅导网63EARTHQUAKERESISTANTSTRUCTURALSYSTEMS2018/1/102NRIGIDFRAMESTRUCTURES框架NINFILLEDFRAMESTRUCTURES填充框架NSHEARWALLS剪力墙NBRACEDFRAMES支撑框架NWALLFRAMESTRUCTURES框架剪力墙结构NFRAMEDTUBESTRUCTURES框筒NTUBEINTUBEORHULLCORESTRUCTURESNBRACEDTUBESTRUCTURES桁架筒NBUNDLEDTUBESTRUCTURES束筒RIGIDFRAMESTRUCTURES框架NRIGIDFRAMESTRUCTURESTYPICALLYCOMPRISEFLOORDIAPHRAGMS5DAIEFRAM隔板SUPPORTEDONBEAMSWHICHLINKTOCONTINUOUSCOLUMNSHORIZONTALTRUSSINGNTHEJOINTSBETWEENBEAMANDCOLUMNSAREUSUALLYCONSIDEREDTOBERIGIDRIGIDFRAMESTRUCTURES框架NRIGIDFRAMESTRUCTURESCARRYGRAVITYLOADSLATERALLOADSNTHEFRAMESAREEXPECTEDTOCARRYTHEGRAVITYLOADSTHROUGHTHEFLEXURALACTIONOFTHEBEAMSANDTHEPROPPING5PRCPIN支撑ACTIONOFTHECOLUMNSFLEXURALACTIONNNEGATIVEMOMENTSAREINDUCEDINTHEBEAMADJACENTE5DVEISENTTOTHECOLUMNSCAUSINGTHEMIDSPANPOSITIVEMOMENTTOBESIGNIFICANTLYLESSTHANINASIMPLYSUPPORTEDSPANMIDSPANPOSITIVEMOMENTLQNLATERALLOADS,IMPOSEDWITHINTHEPLANEOFTHEFRAME,ARERESISTEDTHROUGHTHEDEVELOPMENTOFBENDINGMOMENTSINTHEBEAMSANDCOLUMNSNFRAMEDBUILDINGSOFTENEMPLOYMOMENTRESISTANTFRAMESINTWOORTHOGONALC5WCENL正交的DIRECTIONS,INWHICHCASETHECOLUMNELEMENTSARECOMMONTOBOTHFRAMESTHECOLUMNELEMENTISCOMMONTOBOTHFRAMESNRIGIDFRAMESTRUCTURESAREWELLSUITEDTOACCOMMODATE使适应HIGHLEVELSOFINELASTIC7INI5LASTIKDEFORMATIONNWHENACAPACITYDESIGNAPPROACH承载力设计法ISEMPLOYED,ASSIGNTHEENDZONESOFTHEFLEXURALBEAMSTOACCEPTTHEPOSTELASTICDEFORMATIONEXPECTEDWEAKBEAMDESIGNTHECOLUMNMEMBERSSUCHTHATTHEIRDEPENDABLE可靠的STRENGTHISINEXCESSOF超过THEOVERSTRENGTHCAPACITYOFTHEBEAMHINGESNTHEREBYENSURINGTHEYREMAINWITHINTHEIRELASTICRESPONSERANGEREGARDLESSOFTHEINTENSITYOFGROUNDSHAKINGSTRONGCOLUMNOVERSTRENGTHCAPACITYOFTHEBEAMHINGESNRIGIDFRAMESTRUCTURESARE,HOWEVER,OFTENQUITEFLEXIBLEWHENTHEYAREDESIGNEDTOBEFULLYDUCTILE,SPECIALPROVISIONSAREOFTENNEEDEDTOPREVENTTHEPREMATUREONSET5CNSETOFDAMAGETONONSTRUCTURALCOMPONENTSNRIGIDFRAMECONSTRUCTIONREINFORCEDCONCRETEBUILDINGS(IDEALLYSUITEDFOR)STEELFRAMEBUILDINGS(COSTLY)NRIGIDFRAMECONSTRUCTIONISIDEALLYAI5DIELISUITEDFORREINFORCEDCONCRETEBUILDINGBECAUSEOFTHEINHERENTIN5HIERENT固有的RIGIDITYOFREINFORCEDCONCRETEJOINTSNTHERIGIDFRAMEFORMISALSOUSEDFORSTEELFRAMEBUILDINGSBUTMOMENTRESISTANTCONNECTIONSINSTEELTENDTOBECOSTLYTHESIZESOFTHECOLUMNSANDGIRDERSATANYLEVELOFARIGIDFRAMEAREDIRECTLYINFLUENCEDBYTHEMAGNITUDEOFTHEEXTERNALSHEARATTHATLEVEL,ANDTHEYTHEREFOREINCREASETOWARDTHEBASENCONSEQUENTLY,THEDESIGNOFTHEFLOORFRAMINGCANNOTBEREPETITIVERI5PETITIVASITISINSOMEBRACEDFRAMESNAFURTHERRESULTISTHATSOMETIMESITISNOTPOSSIBLEINTHELOWESTSTOREYSTOACCOMMODATETHEREQUIREDDEPTHOFGIRDERWITHINTHENORMALCEILINGSPACEINFILLEDFRAMESTRUCTURES填充框架NCOLUMNANDGIRDERFRAMINGOFREINFORCEDCONCRETE,ORSOMETIMESSTEEL,ISINFILLEDBYPANELSOFBRICKWORK,ORCASTINPLACECONCRETEINFILLEDFRAMESTRUCTURES填充框架NWHENANINFILLEDFRAMEISSUBJECTEDTOLATERALLOADING,THEINFILLBEHAVESEFFECTIVELYASASTRUTALONGITSCOMPRESSIONDIAGONALTOBRACETHEFRAMEINFILLEDFRAMESTRUCTURES填充框架NBECAUSETHEINFILLSSERVEALSOASEXTERNALWALLSORINTERNALPARTITIONS,THESYSTEMISANECONOMICALWAYOFSTIFFENINGANDSTRENGTHENINGTHESTRUCTURESHEARWALLS剪力墙NASHEARWALLISAVERTICALSTRUCTURALELEMENTTHATRESISTSLATERALFORCESINTHEPLANEOFTHEWALLTHROUGHSHEARANDBENDINGSHEARWALLS剪力墙NSHEARWALLSCONCRETEWALLSMASONRYWALLSHIGHINPLANSTIFFNESSHIGHSTRENGTHSHEARWALLS剪力墙NASHEARWALLACTSASABEAMCANTILEVEREDOUTOFTHEGROUNDORFOUNDATIONNPARTOFITSSTRENGTHDERIVESFROMITSDEPTHNSHEARWALLSAREORIENTEDINONEDIRECTION,SOONLYLATERALFORCESINTHISDIRECTIONCANBERESISTEDNSYMMETRYHASABEARINGON关系到,影响到WHETHERTORSIONALEFFECTSWILLBEPRODUCEDNSHEARWALLSSYMMETRICALINTHEPLANEOFLOADINGNSHEARWALLSATTHEINTERIOROFAMULTISTOREYBUILDINGNWALLSENCLOSINGSTAIRWAYS,ELEVATORSHAFTS,ANDMECHANICALCHASES(CHANNEL)AREMOSTLYSOLIDANDRUNTHEENTIREHEIGHTOFTHEBUILDING,THEYAREOFTENUSEDFORSHEARWALLNSHEARWALLSINBOTHDIRECTIONSSHEARWALLS剪力墙NSHEARWALLSDONOTNEEDTOBESYMMETRICALINABUILDING,BUTSYMMETRYISPREFERREDTOAVOIDTORSIONALEFFECTSDESIGNOFSHEARWALLSHEARWALLSREMAINNOMINALLYELASTICUNDERLOWORMODERATEINTENSITYLOADINGSPOSTELASTICDEFORMATIONSWILLDEVELOPWITHINTHELOWERPORTIONOFTHEWALLUNDERHIGHINTENSITYLOADINGS,GENERALLYCONSIDEREDTOEXTENDOVERAHEIGHTOFTWICETHEWALLLENGTHABOVETHEFOUNDATIONSUPPORTSYSTEM剪力墙设置底部加强部位NGOODPOSTELASTICRESPONSECANBEREADILYACHIEVEDWITHINTHISREGIONOFREINFORCEDCONCRETEORMASONRYSHEARWALLSTHROUGHTHEPROVISIONOFADEQUATECONFINEMENTOFTHEPRINCIPALREINFORCINGSTEELANDTHEPROHIBITIONOFLAPSPLICESOFREINFORCINGBARSCOUPLEDSHEARWALL联肢墙NCOUPLINGBEAMS连梁COUPLEADJACENTMORESLENDERSHEARWALLS连梁剪切破坏SHEARFAILUREOFCOUPLINGBEAMS连梁、墙肢破坏NTHECOUPLINGBEAMSTHENBECOMESHEARLINKSBETWEENTHETWOWALLSBRACEDFRAMES支撑框架NABRACEDFRAMEISATRUSSSYSTEMOFTHECONCENTRICORECCENTRICTYPEINWHICHTHELATERALFORCESARERESISTEDTHROUGHAXIALSTRESSESINTHEMEMBERS杆件轴向拉伸或压缩BRACEDFRAMES支撑框架NATONEENDOFTHEBUILDINGTWOBAYSAREBRACEDANDATTHEOTHERENDONLYONEBAYISBRACEDNBUILDINGISONLYBRACEDINONEDIRECTIONANDTHEDIAGONALMEMBERMAYBEEITHERINTENSIONORCOMPRESSION,DEPENDINGONWHICHWAYTHEFORCEISAPPLIEDBRACEDFRAMES支撑框架NASINGLEDIAGONALCOMPRESSIONMEMBERINONEBAYCANBEUSEDTOBRACEAGAINSTLATERALLOADSCOMINGFROMEITHERDIRECTIONNTENSIONDIAGONALSMUSTBERUNBOTHWAYSTOACCOUNTFORTHELOADCOMINGFROMEITHERDIRECTIONNOBVIOUSLY,ABRACEDFRAMECANPRESENTDESIGNPROBLEMSFORWINDOWSANDDOORWAYS,BUTITISAVERYEFFICIENTANDRIGIDLATERALFORCERESISTINGSYSTEMBRACEDFRAMES支撑框架WALLFRAMESTRUCTURES框架剪力墙结构NSHEARWALLSARECOMBINEDWITHRIGIDFRAMES剪力墙嵌入框架带边框剪力墙(北京饭店)WALLFRAMESTRUCTURES框架剪力墙结构NWALLSTENDTODEFLECTINAFLEXURALCONFIGURATIONNFRAMESTENDTODEFLECTINASHEARMODENWALLSANDFRAMESARECONSTRAINEDTOADOPTACOMMONSHAPEBYTHEHORIZONTALRIGIDITYOFTHEGIRDERSANDSLABSNWALLSANDFRAMESINTERACTHORIZONTALLY,ESPECIALLYATTHETOP,TOPRODUCEASTIFFERANDSTRONGERSTRUCTURENALTHOUGHTHEWALLFRAMESTRUCTUREISUSUALLYPERCEIVEDASACONCRETESTRUCTURALFORM,WITHSHEARWALLSANDCONCRETEFRAMES,ASTEELCOUNTERPARTUSINGBRACEDFRAMESANDSTEELRIGIDFRAMESOFFERSSIMILARBENEFITOFHORIZONTALINTERACTIONTHEBRACEDFRAMESBEHAVEWITHANOVERALLFLEXURALTENDENCYTOINTERACTWITHTHESHEARMODEOFTHERIGIDFRAMESWALLFRAMESTRUCTURES框架剪力墙结构SHEARMODEFLEXURALMODE在水平力作用下,框架和支撑框架侧移协调,结构的整体侧移曲线呈弯剪型FRAMEDTUBESTRUCTURES框筒NTHELATERALRESISTANCEOFFRAMEDTUBESTRUCTURESISPROVIDEDBYVERYSTIFFMOMENTRESISTINGFRAMESTHATFORMA“TUBE”AROUNDTHEPERIMETEROFTHEBUILDINGTHEFRAMESCONSISTOFCLOSELYSPACEDCOLUMN,24MBETWEENCENTERS,JOINEDBYDEEPSPANDRELGIRDERS深梁FRAMEDTUBESTRUCTURES框筒NWHENLATERALLOADINGACTS,THEPERIMETERFRAMESALIGNEDINTHEDIRECTIONOFLOADINGACTASTHE“WEB”OFTHEMASSIVETUBECANTILEVER,ANDTHOSENORMALTOTHEDIRECTIONOFTHELOADINGACTASTHE“FLANGES”WEBFLANGEFRAMEDTUBESTRUCTURES框筒NTRANSFERBEAMTHECLOSESPACINGOFTHECOLUMNSTHROUGHOUTTHEHEIGHTOFTHESTRUCTURESISUSUALLYUNACCEPTABLEATTHEENTRANCELEVELTHECOLUMNSARETHEREFOREMERGED,ORTERMINATEDONATRANSFERBEAM,AFEWSTOREYSABOVETHEBASESOTHATONLYAFEW,LARGER,MOREWIDELYSPACEDCOLUMNSCONTINUETOTHEBASEFRAMEDTUBESTRUCTURES框筒剪力滞后SHEARLAGNTHETUBESTRUCTURESSTRUCTURALEFFICIENCY,ALTHOUGHHIGH,STILLLEAVESSCOPEFORIMPROVEMENTBECAUSETHE“FLANGE“FRAMESTENDTOSUFFERFROM“SHEARLAG”受力特点剪力滞后SHEARLAG倾覆力矩产生的柱轴力分布FRAMEDTUBESTRUCTURES框筒MIDFACE“FLANGE”COLUMNSARELESSSTRESSESTHANTHECORNERCOLUMNSANDNOTCONTRIBUTINGASFULLYASTHEYCOULDTOTHEFLANGEACTIONTUBEINTUBEORHULLCORESTRUCTURES筒中筒NTHISVARIATIONOFTHEFRAMEDTUBECONSISTSOFANOUTERFRAMEDTUBE,THE“HULL”,TOGETHERWITHANINTERNALELEVATORANDSERVICECOREN外筒(框筒内筒筒中筒香港中环广场大厦(1995年)78层,309MTUBEINTUBEORHULLCORESTRUCTURES筒中筒NTHEHULLANDTHEINNERCOREACTJOINTLYINRESISTINGBOTHGRAVITYANDLATERALLOADINGNINNERCORE内筒BRACEDFRAMESSTEELSTRUCTUREN钢结构外筒为钢框筒,内筒为钢框筒或钢支撑框架CONCRETESHEARWALLSCONCRETESTRUCTURENRC结构外筒为混凝土框筒,内筒为剪力墙围成的井筒TUBEINTUBEORHULLCORESTRUCTURES筒中筒NTOSOMEEXTENT,THEOUTERFRAMEDTUBEANDTHEINNERCOREINTERACTHORIZONTALLYASTHESHEARANDFLEXURALCOMPONENTSOFAWALLFRAMESTRUCTURE,WITHTHEBENEFITOFINCREASELATERALSTIFFNESSNHOWEVER,THESTRUCTURALTUBEUSUALLYADOPTSAHIGHLYDOMINANTROLEBECAUSEOFITSMUCHGREATERSTRUCTURALDEPTHBRACEDTUBESTRUCTURES桁架筒NANOTHERWAYOFIMPROVINGTHEEFFICIENCYOFTHEFRAMEDTUBE,THEREBYINCREASINGITSPOTENTIALFORGREATERHEIGHTSASWELLASALLOWINGGREATERSPACINGBETWEENTHECOLUMNS,ISTOADDDIAGONALBRACINGTOTHEFACESOFTHETUBENTHESPACINGOFTHECOLUMNSCANBELARGERANDTHEDEPTHOFTHESPANDRELSLESSN稀柱、浅梁和支撑斜杆组成桁架,布置在建筑物的周边BRACEDTUBESTRU
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
- 骏飞:2024年4月游戏衍生周边洞察报告
- 智慧课堂调查问卷
- 高考物理大一轮复习 考点规范练29 磁场对运动电荷的作用 新人教版-新人教版高三全册物理试题
- 高考生物一轮复习高考题分类汇编 第8单元 生物与环境 专题16 生态系统及生态环境的保护(必修3)-人教版高三必修3生物试题
- 2024年中考第三次模拟考试-道德与法治(重庆卷)(考试版A4)
- 高考物理一轮复习 分层限时跟踪练18 库伦定律、电场力的性质-人教版高三物理试题
- 畅想农业碳中和-一场新的绿色革命-绿色创新发展中心
- 2024届河北省衡中同卷高三下学期一模语文
- 2024年四川省自贡市六校联考中考模拟预测物理试题
- 2022高考数学全国II卷含解析
- 青岛版三年级数学下册第七单元小数的初步认识课件
- 结肠癌的护理课件
- 四位数乘四位数乘法题500道
- 郑州煤炭工业(集团)有限责任公司芦沟煤矿矿产资源开采与生态修复方案
- 英语阅读知到章节答案智慧树2023年北京大学
- 学校食堂采购、报账流程
- 常见病针灸治疗讲义
- 城市轨道交通票务管理智慧树知到答案章节测试2023年山东职业学院
- 办公楼宿舍、员工宿舍、办公楼6S管理检查内容与考核考评标准
- 2023年毛概章题库整合版
- GB/T 35626-2017室外照明干扰光限制规范
评论
0/150
提交评论