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1、一、钢筋的计算截面面积及理论重量公称直径mm不 同 根 数 钢 筋 的 计 算 截 面 面 积/mm2单根钢筋理论重量(kg/m)123456789628.357851131421701982262550.2226.533.2661001331661992322652990.260850.31011512012523023524024530.3958.252.81061582112643173704234750.4321078.51572363143934715506287070.61712113.122633945256567879190410170.88814153.93084616157
2、699231077123113851.2116201.1402603804100512061407160818091.5818254.55097631017127215261780203622902.0020314.26289411256157018842200251328272.4722380.176011401520190022812661304134212.9825490.998214731964245429453436392744183.8528615.8123218472463307936954310492655424.8332804.216092413321740214826563
3、0643472386.31361017.9203620544072508961077125814391617.99401256.625133770502762837540879610053113109.87注：表中直径d=8.2mm 的计算截面面积及理论重量仅适用于有纵肋的热处理钢筋二、每米板宽内的钢筋截面面积表钢筋间距(MM2)当 钢 筋 直 径 (mm) 为 下 列 数 值 时 的 钢 筋 截 面 面 积 (mm2)44.5568101214161820222570180227280404718112216162199287236354488543070127516821226237767
4、010471508205326813393418950686545801571992453536289821414192425133181392747526136901401772183145598731257171022342827349142245454100126159196283503785113115392011254531423801490911011414517825745771410281399182823132856345644621201051331642364196549421283167621212618316840911251011271572264026289051
5、232160820362513304139271309712215121738760487011841547195724172924377614090114140202359561808110014361818224427153506150841061311883355247541026134016962094253432721607999123177314491707962125715901963237630681707494115166296462665906118314971848223628871757291112162287449646880114914541795217228051
6、8070881091572794366288551117141417452112272719066841031492654135958101058133916532001258420063809814125139256577010051272157119012454250506479113201314452616804101812571521196330042536594168262377513670848104712671636三、单肢箍Asv1/s(mm2/mm)箍 筋 间 距s钢 筋 直 径 (mm)6810121000.2830.5030.7851.1311500.1880.3350.
7、5230.7542000.1420.2510.3920.566四、梁内单层钢筋最多根数梁宽(mm)钢 筋 直 径 (mm)141618202225281502/32/22/22/22/22/21/22003/43/43332/32/325054/54/5443/4330065/65/6554/543507/876/76/75/65/64/54008/98/97/87/86/76/75/64509/109/108/98/97/86/86/750010/1210/119/109/108/97/96/855011/1311/1210/1210/119/118/107/960013/1412/1311
8、/1311/1210/129/118/10五、混凝土强度设计值强度种类混凝土强度等级C15C20C25C30C35C40C45C50C55C60C65C70C75C80fC7.29.611.914,316.719.121.123.125.327.529.731.833.835.9ft0.911.101.271.431.571.711.801.891.962.042.092.142.182.22六、一种直径及两种直径组合时的钢筋面积（mm2）直径 05直径12345直径1234516120112061435550966387197112314427570653767240214075567108
9、641018117251562874185596836031608757911106512191373716829942105611694804181095811121266142015749171030114412571370510052011115913131467162117751118123213451458157118125415271645665785810591260144085627168701024250917817109111112131315146638179711125127937632036964116613671566176991710711225137915334
10、101822901219142016211822202311721326148016341788512722545147316741876207722781426158017341888204220131418851856982310181332158716515716917111813192628220088311371392164619008291030123214331634394225131197145117061960221511441345154617471948412572827151117662020227525291458165918602061226251571314218252080233425892843177119732174237525762213802280206491008133216361951186308891144139816522760266210741389170320172331101512691534177820333114030401455176920832397271113951
