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目录1工程概况211设计概况22结构计算单元确定及框架侧移刚度的计算321结构承重方案的选择43荷载计算631屋面梁荷载计算64竖向荷载作用下框架结构的内力计算841按分层法进行内力计算95水平荷载作用下框架结构的内力和侧移计算1751风荷载计算176内力组合2061框架柱内力组合217截面设计2271框架梁228楼板设计3181楼板类型及设计方法的选择319基础设计3391初步确定基础底面尺寸3410参考文献宁波海腾公司六层框架办公楼设计1、工程概况11、设计概况111、工程概况本工程为宁波海腾公司六层框架办公楼。批准总建筑面积为6000M2,投资420万元,拟建6层。会议室、多功能展厅1500M2,办公部分建筑面积3000,其它部分1500M2,要求二层以上各层能分别独立使用,首层为公共部分。1、办公室拟采用36M开间,55M进深,以12开间为一办公单元。2、会议室70M2,要求除首层以外,每层设1个。3、会客室70M2,设在首层。4、多功能展厅150M2。要求每层设置,考虑通风并适当考虑自然采光。5、层高拟选首层36M,其余各层300M。6、电梯设10人客梯一部。112、自然条件1、气温冬季室外计算温度9,冻土深度30CM,夏季室外计算温33。2、年降水量680MM。3、场区地势平坦,地层分布较为规律,地耐力按150KN/M2计,持力层为轻亚粘土,类场地。4、宁波市平均风速夏季为28M/S,主导风向为东南风,冬季为35M/S,主导风向为西北风,基本风压04KN/M2。5、雪载最大积雪厚度为20CM,雪荷载为025KN/M2。6、地下水位常年地下水位于地面以下,水质对混凝土无侵蚀。7、设防烈度7度。113、建筑标准1、防火等级级2、办公室、会议室采光等级级2、结构计算单元确定及框架侧移刚度的计算21、结构承重方案的选择竖向荷载的传力途径楼板的均布活载和恒载经梁框架柱,再由框架柱传至地基。根据以上楼盖的平面布置及竖向荷载的传力途径,本办公楼框架的承重方案为横向框架承重方案,这可使横向框架梁的截面高度大,增加框架的横向侧移刚度。22、施工方案选择本工程施工方案采用现浇式。23、柱网布置与层高本办公楼采用柱距为60M的内廊式小柱网,边跨为55M,中间跨为27M,层高取首层为36M,其余为30M。24、施工缝的划分本工程由于平面布置不甚规则,设一道沉降缝,位置在G轴与F轴处,基础及上部完全断开。25、结构平面布置本工程的结构平面布置如下图所示。26、基础形式及埋置深度本工程地势平坦,底层分布较为规律,地耐力150KN/M2,常年地下水位位于地面以下,水质对基础混凝土无侵蚀,上部为六层框架结构,综合考虑选用条形基础。27、梁、柱、板截面尺寸的初步确定271、梁截面高度一般取梁跨度的1/12至1/8。本方案取1/115500500MM,截面宽度取5001/2250MM,可得梁的截面初步定为BH250500。楼板取120MM,楼梯板及休息平台板为120MM,平台梁200400。272、框架柱的截面尺寸梁截面尺寸(MM)横梁(BH)混凝土等级AB跨、CD跨BC跨纵梁(BH)C30250500250400250500柱截面尺寸(MM)层次混凝土等级BH16C305505501、横梁线刚度IB的计算类别EC(N/MM2)BH(MMMM)I0(MM4)L(MM)ECI0/L(NMM)截面计算刚度边跨30104250500260109550014210102841010中跨301042504001331092700148101022210102、柱线刚度IC的计算IBH3/12层次HC(MM)EC(N/MM2)BH(MMMM)IC(MM4)ECIC/HC(NMM)136003010455055076109631010263000301045505507610976101028、框架结构的计算简图本工程的框架计算简图及典型结果单元如下所示300030003600计算简图L1L2L1L1L2L1L1L2L1L1L2L1L1L2L1L1L2L1A0A1A2A3A4A5A6B5B4B3B1B6B0B2D2D0D6D1D3D4D5C6C5C4C3C2C1C0550027005500300030003000720036003600260550027005500Z1Z2Z2Z1L1L2典型结构单元3、荷载计算31、屋面梁荷载计算311、屋面框架梁线荷载标准值20厚12水泥砂浆找平0022004KN/M2100140厚(2找坡)膨胀珍珠岩010014/27080KN/M2120厚现浇钢筋混凝土楼板012253KN/M215厚石灰抹底001516024KN/M2屋面恒载398KN/M2312、屋面梁自重边跨框架梁自重0250525313KN/M梁侧粉刷2(05012)00217026KN/M中跨框架梁自重025042525KN/M梁侧抹灰2(04012)00217019KN/MGABGCD1339KN/MGBC269KN/M313、作用在顶层框架梁上的线荷载见下表上人屋面活荷载标准值为15KN/M2,取折减系数09,等于135KN/M2名称荷载类别线荷载标准值(KN/M)荷载分项系数设计线荷载恒载398723393205123846边跨梁活荷载13572972141361恒载398722693135123762中跨梁活荷载1357297214136132、标准层楼面梁荷载321、楼面框架梁线荷载标准值25厚水泥砂浆面层00252005KN/M120厚现浇钢筋混凝土楼板012253KN/M15厚板底石灰抹底001516024KN/M楼面恒载324KN/M322、楼面梁自重边跨框架梁自重及梁侧粉刷34KN/M边跨填充墙自重020(305)1995KN/M墙面粉刷(305)00221717KN/M中跨框架及梁侧粉刷269KN/MGABGCD1146KN/MGBC1269KN/M323、作用在中间层框架梁上的线荷载(活荷载标准值为50KN/M2,走廊活荷载为30KN/M2)名称荷载类别线荷载标准值(KN/M)荷载分项系数设计线荷载恒载324721463793124551边跨梁活荷载507236134680恒载324722692602123122中跨梁活荷载30722160013280833、屋面框架节点集中荷载标准值331、节点A6边柱连系梁自重025057225225KN粉刷002(05012)27217186KN12M高女儿墙1272025194104KN粉刷1200227217588KN连系梁传来屋面自重05550572398394KN顶层边节点集中荷载11068KN332、节点B6中柱连系梁自重025057225225KN粉刷002(05012)27217186KN连系梁传来屋面自重05(557227)1353982687KN057239834298KN顶层中节点集中荷载9421KN34、楼面框架节点集中荷载标准值341、节点A5边柱连系梁自重225KN粉刷186KN钢窗自重21218045194KN窗下墙体自重0250857205192705KN粉刷20020857217416KN窗边墙体自重025722120518193677KN粉刷2311817002379KN框架柱自重0550553252269KN粉N连系梁传来楼面自重055505723243208KN标准层边节点集中荷载15457KN342节点B5中柱连系梁自重225KN粉刷186KN内纵墙自重72(305)202519171KN粉刷72272002171322KN扣除门洞重加上门重2108524021693KN框架柱自重2269KN粉刷1907KN连系梁传来楼面自重055572271353242187KN057215324175KN楼面中节点集中荷载28948KN4、竖向荷载作用下框架结构的内力计算41、按分层法进行内力计算梁端、柱端弯矩采用弯矩二次分配法计算,由于结构和荷载均对称,故计算时可用半框架。计算柱的线刚度时,除底层柱外,都要乘以09的折减系数;对开口框架进行计算时,除底层外,柱的弯矩传递系数为1/3。最后将开口框架计算的结果进行叠加。411、顶层因屋面活荷载很小,不考虑活荷载的最不利布置,按满载计算。则框架线荷载为边跨384613615207KN/M中跨376213615123KN/M1、固端弯矩边跨MG(GQ)L2/125207552/1213126KNM中跨MG(GQ)L2/125123272/123112KNM2、计算各杆件的弯矩分配系数结点A6结点B6A6A5A6B6B6A6B6B5B6C60700300260610133、用弯矩分配法求弯矩结点杆端A6A5A6B6B6A6B6B5B6C6分配系数0703026061013固端力矩13126131263112放松B61302260461091302放松A61009943282164放松B62815631320281放松A6197084042MKNM10366102661219273684682A6B6弯矩计算表412、标准层因活荷载较大,需按恒载和活荷载最不利布置的情况分别计算。1、固端弯矩(1)边跨恒载MGGL2/124551552/1211798活荷载MGQL2/12468272/122843(2)中跨恒载MGGL2/123122552/127870活荷载MGQL2/122808272/1217062、弯矩分配系数结点A5结点B5A5A4A5A6A5B5B5A5B5B4B5B6B5C50410410180160380380083、求弯矩结点杆端A5A4A5A6A5B5B5A5B5B4B5B6B5C5分配系数041041018016038038008固端力矩11798117987870放松B531462814931493314放松A54966496621801090放松B5087174414414087放松A5036036016008放松B5001001003003001MKNM50435043998612108187218728264A5B5恒载弯矩计算表(1)恒载(2)活荷载A、布置在边跨结点杆端A5A4A5A6A5B5B5A5B5B4B5B6B5C5分配系数041041018016038038008固端力矩28432843放松B522745510801080227放松A512591259553276放松B5022044105105022放松A5009009004002放松B5000000001001000MKNM130913092518263811481148242A5B5活荷载布置在边跨时弯矩计算表B、布置在中跨结点杆端A5A4A5A6A5B5B5A5B5B4B5B6B5C5分配系数041041018016038038008固端力矩1760放松B5141282669669141放松A5058058025013放松B5001002005005001放松A5000000000000放松B5000000000000000MKNM0170171342877127121610A5B5活荷载布置在边跨时弯矩计算表C、布置在一侧边跨和中跨结点杆端A5A4A5A6A5B5B5A5B5B4B5B6B5C5分配系数041041018016038038008固端力矩284328431700放松B536372717261726363放松A513151315577289放松B5023046110110023放松A5009009004002放松B5000000001001000MKNM1365136526302376179917991321A5B5活荷载布置在一边跨及中跨时弯矩计算表413、底层1、固端弯矩(1)边跨恒载MGGL2/124551552/1211798活荷载MGQL2/12468272/122843(2)中跨恒载MGGL2/123122552/127870活荷载MGQL2/122808272/1217062、弯矩分配系数结点A1结点B1A1A0A1A2A1B1B1A1B1B0B1B2B1C10390430180160360390093、求弯矩(1)恒载(2)活荷载A、布置在边跨结点杆端A1A0A1A2A1B1B1A1B1A0B1B2B1C1分配系数039043018016036039009固端力矩28432843放松B522745510231109256放松A511971320553276放松B5022044099108025放松A5009010004002放松B5000000001001000MKNM124513732518263810881178272A1B1活荷载布置在边跨时弯矩计算表B、布置在中跨结点杆端A1A0A1A2A1B1B1A1B1A0B1B2B1C1分配系数039043018016036039009固端力矩1760放松B5141282634686158放松A5055061025013放松B5001002005005001放松A5000000000000放松B5000000000000000MKNM0160181342876747301591A1B1活荷载布置在边跨时弯矩计算表C、布置在一侧边跨和中跨结点杆端A1A0A1A2A1B1B1A1B1A0B1B2B1C1分配系数039043018016036039009固端力矩284328431760放松B5087173390422097放松A511431260527264放松B5021042095103024放松A5008009004002放松B5000000001001000MKNM11901312240229094494871872A1B1活荷载布置在一边跨及中跨时弯矩计算表414、弯矩调幅考虑到钢筋混凝土结构具有塑性内力重分布的性质,在竖向荷载下可以适当降低梁端弯矩,进行调幅(本例为现浇框架,取调幅系数取09),并将所减少的弯矩的平均值加到矿中正弯矩上,以减少负弯矩钢筋的拥挤现象。竖向荷载作用下框架内力汇总如下(跨中弯矩按M中M0M1M2/2计算)竖向荷载作用下框架内力汇总如表M恒M活M恒M活合计A6端1026709092409240跨中845995829582B6端121930901097410974B6端468309042154215跨中266626662666A5端998626300908987236711354跨中61611506272661532622592B5端12108263809010897237413271B5端83461860090751116749185跨中671637067163706346A4端1077625180909698226611965跨中53571498365431525421797B4端12926290909011633261814252B4端83461860090751116749185跨中671637067163706346A3端1077625180909698226611965跨中53571498365431525421797B3端12926290909011633261814252B3端83461860090751116749185跨中671637067163706346A2端1077625180909698226611965跨中53571498365431525421797B2端12926290909011633261814252B2端83461860090751116749185跨中671637067163706346A1端1077625180909698226611965跨中53571498365431525421797B1端12926290909011633261814252B1端83461860090751116749185跨中1328162913281629301层次竖向荷载作用下弯矩KN调整系数调整后弯矩(KN构件名称边跨梁中跨梁六层五层边跨梁中跨梁四层边跨梁中跨梁三层边跨梁中跨梁二层边跨梁中跨梁一层边跨梁中跨梁42、梁端剪力和柱轴力的计算421、恒载作用下荷载引起的剪力例第6层VAVBGL/2(M2M1)/L384655/21219310267/5510924KNVBVC376227/25079KN本方案中,弯矩引起的剪力很小,可忽略不计。荷载引起的剪力例第6层A柱N顶11068KN柱重0550553252269KNN底N顶226913347KNB柱N顶9421,N底9421226911703KN恒载作用下梁端剪力及柱轴力(KN)荷载引起的剪力柱轴力AB跨BC跨A柱B柱层次VAVBVBVCN顶N底N顶N底610924507911068133379421116905129014215287943106340638429074129014215465204878971855741243129014215642466651510307210534121290142158197284241134289136558112901421599698102421165506168229422、活载作用下例第6层荷载引起的剪力AB跨VAVB136155/23742KNBC跨VBVC136127/21837KNA柱N顶N底3746KNB柱N顶N底5579KN活载作用下梁端剪力及柱轴力(KN)荷载引起的剪力柱轴力AB跨BC跨A柱B柱层次VAVBVBVCN顶N底N顶N底6374218373742557951287379118449222404128737913131938901312873791441895556121287379157059722221128737916992988883423、框架剪力及轴力计算框架剪力及轴力计算值由恒荷载引起的剪力和最不利活荷载位置引起的剪力相叠加。梁端剪力及柱轴力(KN)荷载引起的剪力柱轴力AB跨BC跨A柱B柱层次VAVBVBVCN顶N底N顶N底61466669161481017079150001726952577180064724349512628786514742577180067783980108110756113025325771800610843597834158233160902225771800613903114130020651120878125771800616962717235025438925665843、框架柱控制截面内力计算431、控制截面弯矩取每层柱顶和柱底两个控制截面,组合结果如下表所示。432、控制截面轴力柱的控制截面轴向力,可不计梁的连续性的影响,近似地按负荷面积进行计算。柱底最大轴力控制截面以上各层间柱自重控制截面以上各层间纵梁及纵墙自重屋面横梁反力控制截面以上标准层横梁反力。根据柱弯矩最大时活荷载最不利布置,可求出对应的轴向力。竖向荷载作用下框架柱控制截面弯矩计算表恒活恒活恒活MMAX23996232399623与NMAX对应的M23995952399595MMAX47971245168145564781700与NMAX对应的M47971190168143764781627MMAX50431365181345568561820与NMAX对应的M50431312181343768561749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365181345572511820与NMAX对应的M54381312181343772511749MMAX54381365345600088941365与NMAX对应的M54381312345600088941312MMAX1036700010367000与NMAX对应的M1036700010367000MMAX591363591363与NMAX对应的M591150591150MMAX1773108864039324131481与NMAX对应的M17734496402432413692MMAX1921117862460025451778与NMAX对应的M192173062438325451113MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX1872179962460024962399与NMAX对应的M1872114862438324961531MMAX18721799245600043281799与NMAX对应的M18721148245600043281148MMAX73687478115000与NMAX对应的M73687478115000B4端B3B4B5端B4B5B2端B1B2A5端BO端B1端B0B1B1端A5端A4A5A4端A6端A5A6A2端A1A2A4端A3A4A2端A3端A3端A2A3拼合后弯矩A0端A1端柱号截面本层弯矩上下)层传递弯矩A1端A0A1B2端B3端B3端B2B3B6端B4端B5端B5B65、水平荷载作用下框架结构的内力和侧移计算51、风荷载计算风压标准值计算公式为WZSZW0因结构高度H30M,可取Z10;风载体形系数,迎风面为08,背风面为05,因此取S080513风压高度变化系数Z可查荷载规范(本工程地面粗糙度类别为C类)将风荷载换算成作用于框架每层节点上的集中荷载,计算过程如表风荷载计算表层次ZSZMZW0K04N/MAM2PWKN6101318609104216102251013156085042169554101312607804216876310139607004216786210136605904216663110133603904259252652、框架柱的修正侧移刚度D见下表框架柱修正侧移刚度D的计算表KI1I2I3I4/2IC一般层)K/2K一般层)KI1I2/IC底层)(05K)/2K底层)一般层037016040047底层045039040117一般层067025040075底层080046040140中柱层次12/H2DIC12/H3104KNM)柱号边柱53、风荷载作用下的内力计算531、风荷载作用下的框架弯矩计算见下表框架柱的剪力及柱端弯矩计算表FI(KN)VJ(KN)边柱中柱1022V047/2047075102201931022197KNV075/2047075102208071022314KNK037,Y00185,Y1Y20K080,Y0035,Y1Y20955M底197300185109KNMM底31430035330KNM1022M顶197300815482KNMM顶31430065613KNMV01931977382KNV080719771595KNK037,Y00335,Y1Y2Y30K080,Y004,Y1Y2Y30876M底382300335384KNMM底3143004377KNM1977M顶382300665762KNMM顶3143006565KNMV01932853551KNV080728532302KNK037,Y004,Y1Y2Y30K080,Y0045,Y1Y2Y30786M底5513004661KNMM底2302300453108KNM2853M顶5513006992KNMM顶2302300553798KNMV01933639702KNV080736392937KNK037,Y0045,Y1Y2Y30K080,Y0045,Y1Y2Y30663M底70230045948KNMM底2937300453965KNM3639M顶702300551158KNMM顶2937300554846KNMV01934302830KNV080743023472KNK037,Y0055,Y1Y2Y30K080,Y005,Y1Y2Y30M底83300551370KNMM底347230055208KNM5264302M顶83300451121KNMM顶347230055208KNMV01934828932KNV080748283896KNK045,Y00775,Y1Y20K067,Y007,Y1Y20M底9323607752600KNMM底389636079818KNM4828M顶932360225755KNMM顶389636034208KNM求各梁梁端弯矩,计算结果见下表风荷载引起的梁端弯矩计算表(KNM)梁端层次AIBIBIAIBICI六482284/(284222)613344222/(284222)613269五109762871056(33565)501044(33565)394四3849921376056(3773798)2338044(3773798)1837三66111581819056(31084846)4454044(31084846)3500二94811212069056(39655208)5137044(39655208)4036一1377552125056(52084208)5273044(52084208)41431、绘制弯矩图48210976238499266111589481121137075526061333056537737983108484639655208520842089818871137618192069212534450123384454513752732693941837350040364143482框架弯矩图2、风荷载引起的梁端剪力和柱的轴力计算见下表梁端剪力(KN)柱轴力(KN)层次55M跨27M跨边柱中柱屋面482344/551502692/2719915151990496871501/552493942/2729215249399049249292092513762338/5567518372/2713611047733418194454/55114135002/27259322152185320695137/55131040362/27299035253865221255273/55134541432/2730694870558954、风荷载作用下的所引起的侧移541、根据柱的修正抗剪刚度D的计算,则第二至六层D047104075104122104KN/M第一层D11710414104257104KN/M542、由于梁柱弯曲变形所引起的侧移计算由于梁柱弯曲变形所引起的侧移计算表层次楼层剪力VKN楼层抗剪总刚度D(KN/M)各层相对位移(M)各层侧移1(MM)六10221221048371041319五19771221041621041235四285312210423381041073三36391221042983104839二43021221043526104541一48282571041879104188543、由于柱轴向变形所引起的顶点侧移221130FH3ECAB21148281863(303010605521372)067MM544、框架顶点总侧移量1213190671386MM2/067/13864836、内力组合根据内力计算结果进行内力组合。内力按(恒载活荷载)和恒载和085(风载活荷载)两组进行组合。把内力组合值乘以结构重要系数得到内力的设计值,本例去结构重要系数为1。61、框架柱内力组合M恒M活风恒活恒085(活风)M9240482924096509650V109243742150146661423214666跨中M9582138958296999699M10974344109741126611266V109243742150718276167616M89872630871116171196311963V1290112870249257712405225771跨中M726615062370223282038322328M108972638501135351356513565V1290112870249257712362925771M969825181376122161300813008V1290112870675257712441425771跨中M654314983962215261846121526M1163329092338145421609316093V1290112870675257712326725771M969825181819122161338413384V12901128701141257712481025771跨中M6543149832635215261703921526M1163329094454145421789217892V12901128701141257712287125771M969825182069122161359713597V12901128701310257712495425771跨中M6543149833068215261667121526M1163329095137145421847218472V12901128701310257712272725771M969825182125122161364513645V12901128701345257712498425771跨中M6543149833148215261660321526M1163329095237145421855718557V12901128701345257712269725771M4215269421544444444V50791837199691668106916跨中M2666000266626662666M75111860394937194279427V50793791292887085508870跨中M6714370000634464006400M75111860183793711065310653V507937911361887094589458跨中M6714370000634464006400M75111860350093711206712067V50793791259388701050510505跨中M6714370000634464006400M75111860403693711252312523V50793791299088701084310843跨中M6714370000634464006400M75111860414393711261412614V50793791306988701091010910跨中M13281629000301057301LB2C2LB1C1B6端B5端B4端B3端B2端B1端LB6C6LB5C5LB4C4LB3C3LA5B5A5端B5端LA1B1A1端B1端LA2B2A2端LA3B3A3端B3端LA4B4A4端B4端B2端内力组合计算内力杆件截面内力各种荷载作用下的内力LA6B6A6端B6端7、截面设计71、框架梁以第1层AB跨框架梁的计算为例。711、梁的最不利内力经以上计算可知,梁的最不利内力如下跨间MMAX21526KNM支座AMMAX13645KNM支座BLMMAX18557KNM调整后剪力V25771KN712、梁正截面受弯承载力计算抗震设计中,对于楼面现浇的框架结构,梁支座负弯矩按矩形截面计算纵筋数量。跨中正弯矩按T形截面计算纵筋数量,跨中截面的计算弯矩,应取该跨的跨间最大正弯矩或支座弯矩与1/2简支梁弯矩之中的较大者,依据上述理论,得(1)、考虑跨间最大弯矩处按T形截面设计,翼缘计算宽度BF,按跨度考虑,取BF,L/355/31830MM,梁内纵向钢筋选II级热扎钢筋,(FYFY,310N/MM2),H0HA50035465MM,因FCMBF,HF,(H0HF,/2)1651830120(465120/2)146739KNMM21526KNM属第一类T形截面。下部跨间截面按单筋T形截面计算SM/(FCMBF,H02)21526106/165/1830/4652003291(12S)1/200335ASFCMBF,H0/FY003351651830465/310151548MM2实配钢筋326,AS1593MM2。1593/250/500127MIN015,满足要求。梁端截面受压区相对高度FYAS/(FCMBF,H0)3101593/165/1830/465MIN03,又AS,/AS1699/201208303满足梁的抗震构造要求。713、梁斜截面受剪承载力计算(1)、验算截面尺寸HWH0465MMHW/B465/250186V257710N可知,截面符合条件。(2)、验算是否需要计算配置箍筋007FCMBH0007165250465134269N267070NSVNASV1/BS2503/100/25004SVMIN002FCM/FYV002165/210015加密区长度取085M,非加密区箍筋取8200。箍筋配置,满足构造要求。配筋图如下图所示其它梁的配筋计算见下表层次M(KNM)计算AS,(MM2)实配AS,(MM2)计算AS(MM2)实配AS(MM2)配箍A136450011023633221140BL1855700113921232514732152600315187732615931261400294629222、12010742109100276328220、1181137A135970011020033221140BL18472001138575325147321526003151877326159312523002939463209416400144618220、1181137A133840011004053221140BL17892001134224325147321526003151877326159310505002788073209416400144618220、1181137A1300800197584222、12010742BL16093001120728225、1201296221526003151877326159310653002799173209416400144618316603A1196300289745222、12010742BL13565001101763225、120129622232800315763732615939427002707203209416400144618316603A96500272393320941BL112660028451632094114666002102910120、22210742266600320000316603262600018254316603截面1支座加密区双肢8100,非加密区8200AB跨间支座BR加密区双肢8100,非加密区8200BC跨间加密区双肢8100,非加密区82002支座加密区双肢8100,非加密区8200AB跨间支座BRBC跨间加密区双肢8100,非加密区8200加密区双肢8100,非加密区82003支座AB跨间支座BRBC跨间6支座加密区双肢8100,非加密区8200加密区双肢8100,非加密4支座AB跨间支座BRBC跨间加密区双肢8100,非加密区8200加密区双肢8100,非加密5支座AB跨间支座BRBC跨间AB跨间支座BRBC跨间加密区双肢8100,非加密区820072、框架柱721、柱截面尺寸验算根据抗震规范,对于二级抗震等级,剪跨比大于2,轴压比小于08。下表给出了框架柱各层剪跨比和轴压比计算结果柱号层次B(MM)H0(MM)FCM(N/MM2)MC(KNM)VC(KN)N(KN)MC/VCH0N/FCMBH065505101561193719717079200820145201992029220385204782005320182202942048720621207672轴压比N/FCMBH0212415103/165/550/51004595,故应考虑偏心矩增大系数。105FCMA/N051655502/(212415103)117510取110又L0/H5,故应考虑偏心矩增大系数。105FCMA/N051655502/(16935103)147410取110又L0/HBFCMBH0及NE043FCMBH02因为N16935KN08723、柱斜截面受剪承载力计算以第1层A柱为例,查表可知框架柱的剪力设计值VC932/0751243KN剪跨比19273,取3轴压比N0478考虑地震作用组合的柱轴向压力设计值N212415KN03FCMBH031655502/103149738KN故取N212415KN105FTBH0/10056N10515550510/3100562090121032774936N192890N故该层柱应按构造配置箍筋。柱端加密区的箍筋选用4肢8100。查表得,最小配筋率特征值V009,则最小配筋率VMINVFCM/FYV009165/21007,柱箍筋的体积配筋率V(ASVILI)/S/ACOR5035508/100/550/55007306,符合构造要求。注ASVI、LI为第I根箍筋的截面面积和长度。ACOR为箍筋包裹范围内的混凝土核芯面积。S为箍筋间距。非加密区还应满足S0810909109010柱层次截面尺寸组合一二一二一二M(KNM)1276992311250989951436910145N(KN)869806523563528476463495626217V(KN)E0(MM)146801415019691188794110638696EA(MM)200020002000200020002000L0(M)360360300300300300EI(MM)166801615021691208794310640696L0/H65565554554554554511001001001001001002100100100100100100103103102102101101E(MM)406534012245518447076693464524019014008计算ASAS(MM2)33164605008639605004284960500实配单侧S偏心判断大小大小大小配箍A柱四五六550550550550550550735509263加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150选220、418(1645)选220、418(1645)选220、418(1645)1090810909109010柱层次截面尺寸组合一二一二一二M(KNM)125839246116208010112096894N(KN)335689251764271835203876213317155988V(KN)E0(MM)374836724275392952554420EA(MM)200020002000200020002000L0(M)360360300300300300EI(MM)574856726275592972556420L0/H65565554554554554511001001001001001002100100100100100100108108105106105105E(MM)297212964530103297573108230247073059046计算ASAS(MM2)64148605001104576050011953560500实配单侧S偏心判断大小大小大小配箍加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150选220、418(1645)选220、418(1645)选220、418(1645)1090810909109010550550550550550550515946293916B柱一二三柱层次截面尺寸组合一二一二一二M(KNM)10023616664603845115155356N(KN)1285319639879455595912304317282V(KN)E0(MM)77986396813064524997230992EA(MM)200020002000200020002000L0(M)360360300300300300EI(MM)979883961013084525197232992L0/H65565554554554554511001001001001001002100100100100100100105106103104101101E(MM)337703236933958322807580056820028017005计算ASAS(MM2)895236050069061605004122960500实配单侧S偏心判断大小大小大小配箍B柱四五六55055055055055055030692127419加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150加密区4肢10100,非加密区4肢10150选220、418(1645)选220、418(1645)选220、418(1645)10908109091090108、楼板设计81、楼板类型及设计方法的选择对于楼板,根据塑性理论,L02/L013时,在荷载作用下,在两个正交方向受力且都不可忽略,在本方案中,L02/L012,故属于双向板。设计时按塑性铰线法设计。82、设计参数821、双

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