混凝土结构设计常用表格-钢筋计算截面面积(共2页).doc

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1、精选优质文档-倾情为你奉上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)123456789628.357851131421701982262550.2226.533.2661001331661992322652990.260850.31011512012523023524024530.3958.252.81061582112643173704234750.4321078.51572363143934715506287070.61712113.122633945256567879190410170.88814153.9

2、3084616157699231077123113851.2116201.1402603804100512061407160818091.5818254.55097631017127215261780203622902.0020314.26289411256157018842200251328272.4722380.176011401520190022812661304134212.9825490.998214731964245429453436392744183.8528615.8123218472463307936954310492655424.8332804.21609241332174

3、02148265630643472386.31361017.9203630544072508961077125814391617.99401256.625133770502762837540879610053113109.87钢筋混凝土板最小配筋量mm2混凝土标号钢筋种类0.45ft/fy和0.2的较大值板厚(mm)为下行数值时每米宽范围内最小配筋mm290100110120130140150160170C20HPB2350.236212236260283307330354378401HRB3350.200180200220240260280300320340C25HPB2350.272245

4、272299326354381408435462HRB3350.200180200220240260280300320340C30 HPB2350.306275306337367398428459490520HRB3350.215194215237258280301323344366梁内单层钢筋最多根数梁宽(mm)钢 筋 直 径 (mm)1416182022252820043/43/43332/3250554/5443/433006/765/65/654/543507/876/76/765/64/54008/98/97/87/876/75/6单肢箍Asv1/s(mm2/mm)箍筋间距s钢 筋

5、直 径 (mm)6810121000.2830.5030.7851.1311500.1880.3350.5230.7542000.1420.2510.3920.566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)44.55681012141618202225701802272804047181122161621992872363544885430701275168212262377670104715082053268133934189506865458015719924535362898214141924

6、251331813927475261369014017721831455987312571710223428273491422454541001261591962835037851131153920112545314238014909110114145178257457714102813991828231328563456446212010513316423641965494212831676212126183168409112510112715722640262890512321608203625133041392713097122151217387604870118415471957241

7、729243776140901141402023595618081100143618182244271535061508410613118833552475410261340169620942534327216079991231773144917079621257159019632376306817074941151662964626659061183149718482236288717572911121622874496468801149145417952172280518070881091572794366288551117141417452112272719066841031492654

8、135958101058133916532001258420063809814125139256577010051272157119012454250506479113201314452616804101812571521196330042536594168262377513670848104712671636板厚度与跨度的最小比值(h/Lo)板的支承情况板的种类单向板双向板悬臂板简支1/301/351/101/12连续1/351/40荷载取值表结构名称荷载标准值(KN/m2)计算公式备注现浇楼板（自动计算板自重）卧室、客厅板自重+1.81.45+17x0.02厨、卫板自重+2.291.90+17x0.02阳台板自重+2.291.95+17x0.02非上人屋面板自重+3.8上人屋面板自重+4.7预制板卧室、客厅3.81.97+1.45+17x0.02板跨42004.32.54+1.45+17x0.024200板跨6000楼梯7.0板厚130时荷载增加实心砌体240墙5.619x0.24+1.0=5.56不含大理石(单面大理石+0.7KN/m2)180墙4.419x0.18+1.0=4.42120墙3.319x0.12+1.0=3.28空心砌体200墙2.47x0.2+1.0=2.4100墙1.77x0.1+1.0=1.7专心-专注-专业