结构常用表格序不规则类型涵义依据的规范条文1扭转不规则考虑偶然偏心的扭转位移比大于1.2GB50011-3.4.22偏心布置偏心距大于0.15或相邻层质心相差较大JGJ99-3.2.23凹凸不规则平面凹凸尺寸大于相应边长30%GB50011-3.4.24组合平面细腰形或角部重叠JGJ3-4.3.35楼板不连续有效宽小于50%,开洞面积大于30%;错层高梁高GB50011-3.4.26刚度突变相邻层刚度变化大于70%;连续三层变化大于80%GB50011-3.4.27尺寸突变缩进大于25%,外挑大于10%或4mJGJ3-4.4.58构件间断上下墙、柱、支撑不连续,含加强层GB50011-3.4.29承载力突变相邻层受剪承载力比80%GB50011-3.4.2序简称涵义1扭转偏大不含裙房的楼层扭转位移比1.42抗扭刚度弱扭转周期比0.9,混合结构扭转周期比0.853层刚度偏小本层侧向刚度小于相邻上层的50%4高位转换框支转换构件位置:7度5层;8度3层5厚板转换7~9度设防的厚板转换结构6塔楼偏置单塔或多塔与大底盘的质心偏心距底盘相应边长的20%7复杂连接各部分层数、刚度、布置不同的错层或连体结构8多重复杂结构同时具有转换层、加强层、错层、连体和多塔楼类型的2种以上4.2抗震规范、混凝土和钢结构高层规程暂未列入的高层建筑结构;特殊形式的大型公共建筑及超长悬挑连筑;特大跨度的连体结构;4.3超限大跨度空间结构:跨度120m、悬挑长度40m、单向长度300m的屋盖;非常用空间结构的大型场馆、一级客运站、大型候机楼、特大型机库。超限审查2.三项及三项以上不规则超限3.单项不规则超限4.其它超限建筑4.1高度超过28m的单跨框架结构;6789框 架60554525框架—抗剪墙13012010050抗震墙14012010060部分框支抗震墙12010080不应采用框架—核心筒15013010070筒中筒18015012080板柱—抗震墙403530不应采用现浇钢筋混凝土房屋适用最大高度(m)结构体系抗震设防烈度注:1.房屋高度指室外地面到主要屋面板板顶的高度(不包括局部突出屋顶部分);4.乙类建筑可按本地区抗震设防烈度确定适用的最大高度;5.超过表内高度的房屋,应进行专门研究和论证,采取有效的加强措施。2.框架—核心筒结构指周边稀柱框架与核心筒组成的结构;3.部分框支抗震墙结构指首层或底部两层框支抗震墙结构;结构类型施工方法室内露天排架结构装配10070装配7550现浇5535装配6540现浇4530挡土墙装配4030地下室墙现浇3020手动吊车电动吊车L0<7m7m≤L0≤9mL0>9m6789框架、板柱、剪力墙54432框架—剪力墙55543剪力墙66654筒中筒、框架—核心筒66654构件类型吊车梁屋盖、楼盖、楼梯构件L0/300(L0/400)A级高度高层建筑高宽比的限值结构类型非抗震设计抗震设防烈度伸缩缝的最大间距(m)框架结构剪力墙结构注:计算悬臂构件的允许挠度值时,其计算跨度L0按实际悬臂长度的2倍取用。受弯构件允许挠度允许挠度L0/500L0/600L0/200(L0/250)L0/250(L0/300)≤0.30.40.50.60.70.80.911.05普通箍、复合箍0.10.110.130.150.170.20.23——螺旋箍、复合或连续复合矩形螺旋箍普通箍、复合箍0.080.090.110.130.150.170.190.220.24螺旋箍、复合或连续复合矩形螺旋箍普通箍、复合箍0.060.070.090.110.130.150.170.20.22螺旋箍、复合或连续复合矩形螺旋箍一二三四8d或150(柱根100)φ6(柱根φ8)hb/4、8d、100mmφ8hb/4、8d、150mmφ8hb/4、8d、150mmφ68d或150(柱根100)φ8hb/4、6d、100mmφ10箍指由螺旋箍与矩形、多边形、圆形箍或拉筋组成的箍筋;连续复合矩形螺旋箍指全部螺旋箍为同一根钢筋加工而成的钢筋; 2.框支柱宜采用复合螺旋或井字复合箍,其最小配箍特征值应比表内数值增加0.02,且体积配箍率不应小于1.5%; 3.剪跨比不大于2的柱宜采用复合螺旋箍或井字复合箍,其体积配箍率不应小于1.2%,9度时不应小于1.5%; 4.计算复合螺旋箍的体积配筋率时,其非螺旋箍的箍筋体积应乘以换算系数0.8。6d或100φ100.2注:1.普通箍指单个矩形箍和单个圆形箍;复合箍指矩形、多边形、圆形箍或拉筋组成的箍筋;符合螺旋最大间距最小直径三0.150.17最大间距最小直径0.28d或1000.220.050.060.070.090.110.13φ8(φ10)——二0.060.070.090.110.130.150.170.090.110.130.150.180.21柱箍筋加密区的箍筋最小配箍特征值λν(ρν=λνfc/fw)抗震等级抗震等级箍筋形式轴压比一框架柱、框架梁加密区箍筋间距及直径框架柱箍筋(mm)框架梁箍筋(mm)0.08I级210KN/m2II级300KN/m2II-I级1.429I-II级0.7008I级II级II-I级II级II-I级II级II-I级II级II-I级II级II-I级II级II-I级15079112113162154220201287255364314449210115722422632330844040257550972762889842013144494526466168798041149101814541257179563024716736799699231319120717241527218118852693840262889790512931231175916092298203629092514359110503785112111311616153921992011287325453636314244898I级II级II-I级II级II-I级II级II-I级II级II-I级II级II-I级II级II-I级1005037851121113116161539219920112873254536363142448911045771410191028146913991999182826122314330528564081120419654935943134612831832167623942121303026183740130387604863870124311841691154722101958279724173453140359561801808115410991570143620521818259722443206150335523748754107710261466134119151697242420952992160314491701707101096213741257179615912272196428051702964626606659509051293118316901497213918482640180279436623628898855122111171596141420201746249419026541359059585081011571058151213391914165423622002523935615668087701099100614361273181815712244箍筋换算表单位:cm2间距根数101214101214换算比例16161818板筋换算表单位:cm22020直径根数128.350.378.5113.1153.9201.1254.4314.2380.1490.9615.3804.310181257256.5101157226308402509628760982123216092036251433339462603763942114014731847241330543771446168041018125715211963246332174072502855127215711901245430794022509062856618852281294536954826610872427726613436431056307126879988304139274926643481441005699441855387239916211313直径间距100283503785113115392011254431423801490961538043110257457714102813991828231328563456446255987311120236419655942128316762121261831684091513167021302173876048701184154719572417392447764737618714020235956180810991436181822442715350643985745150188335524754102613401696209425343272410553621601773144917079621257159019632376306838485027170166296462665905118314961848223628883619473118015727943662885511171414174521122727342144681901492654135958101058133916532001258432414233200141251393565770100512721571190124543079402120223236不同根数钢筋计算截面面积(mm2)68101214161840板宽1000mm内各种钢筋间距时钢筋截面面积表(mm2)68101214252528182016222832梁宽20025030035040045050060070080090010001245144516455/661844/55/66/7720345/66/77/88/99/1011/1213/1515/1717/1919/2122345677/98/1010/1212/1414/1616/1817/202533/44/55/66/77/87/99/1111/1313/1514/1715/19284/55/66/77/88/109/1211/1312/1514/17327/98/1010/1211/1312/15柱宽350400450500550600650700750800184556782045567789101022445667899102544566789910钢筋直径 钢筋直径框架柱每侧纵向受力钢筋最大根数梁内钢筋排成一排时的钢筋最多根数强度C15C20C25C30C35C40C45C50C55C60C65C70C75C80fc7.29.611.914.316.719.121.123.125.327.529.731.833.835.9ft0.911.101.271.431.571.711.801.891.962.042.092.142.182.00Ec2.202.552.803.003.153.253.353.453.553.603.653.703.753.80≤C20C25-C45≥C50≤C20C25-C45≥C50≤C20C25-C45≥C50201515302525303030a-2020-3030-3030b-2520-3530-3530-3025-4035-4035纵向受力钢筋的混凝土保护层最小厚度(mm)环境类别板、墙、壳混凝土强度等级注:基础中纵向受力钢筋的混凝土保护层厚度不应小于40mm;当无垫层时不应小于70mm.梁柱一三二1φ101φ121φ141φ161φ181φ201φ221φ25备注45o33.348.065.385.2107.9133.2161.2208.160o40.858.880.0104.5132.3163.3197.6255