混凝土结构设计常用表格-钢筋计算截面面积.doc

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1、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)123456789628.357851131421701982262550.2226.533.2661001331661992322652990.260850.31011512012523023524024530.3958.252.81061582112643173704234750.4321078.51572363143934715506287070.61712113.1226339452565678791904

2、10170.88814153.93084616157699231077123113851.2116201.1402603804100512061407160818091.5818254.55097631017127215261780203622902.0020314.26289411256157018842200251328272.4722380.176011401520190022812661304134212.9825490.998214731964245429453436392744183.8528615.

3、8123218472463307936954310492655424.8332804.2160924133217402148265630643472386.31361017.9203630544072508961077125814391617.99401256.625133770502762837540879610053113109.87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mm2901001101201301401501601

4、70C20HPB2350.236212236260283307330354378401HRB3350.200180200220240260280300320340C25HPB2350.272245272299326354381408435462HRB3350.200180200220240260280300320340C30HPB2350.306275306337367398428459490520HRB3350.215194215237258280301323344366梁内单层钢筋最多根数梁宽(mm)钢筋直径

5、(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(m

6、m2)44.5568101214161820222570180227280404718112216162199287236354488543070127516821226237767010471508205326813393418950686545801571992453536289821414192425133181392747526136901401772183145598731257171022342827349142245454100126159196283503785113115392011254531

7、4238014909110114145178257457714102813991828231328563456446212010513316423641965494212831676212126183168409112510112715722640262890512321608203625133041392713097122151217387604870118415471957241729243776140901141402023595618081100143618182244271535061508410613

8、1188335524754102613401696209425343272160799912317731449170796212571590196323763068170749411516629646266590611831497184822362887175729111216228744964688011491454179521722805180708810915727