钢筋的计算截面面积及公称质量表直径d(mm不同根数直径的计算截面面积(mm单根钢筋公称质量(kg/m)12345678937.114.121.228.335.342.449.556.563.60.0555412.625.137.750.362.875.488.0100.5113.10.0986519.6395979981181371571770.154628.357851131411701982262540.2226.533.2661001331661992322652990.260850.31011512012513023524024520.3958.252.81061582112643173704224750.4151078.51572363143934715506287070.61712113.122633945256567979290510180.88814153.9308462 16167709241 10781232 113851.20816201.1402603804100512061407160818101.57818254.55097631018127215271781203622901.99820314.26289421257157118852199251328272.46622380.176011401521190122812661304134212.98425490.99821473 11963245429453436392744183.85328615.8123218472463307936954310492655424.83432804.2160824133217402148255630643472386.313361017.9203630544072508961077125814391617.990401256.625133770 |502762837540879610053 |113109.865梁宽b(mm钢筋直径(mm141618202225283236401502/32/322221/211120043/43/43332/3221/2250554/54/543/432/3223006/765/65/654/543/432/33507/876/76/765/64/543/434008/98/97/87/86/76/75/64/54/53/4梁纵向钢筋单排最大根数(净保护层厚度：25mm4509/109/108/98/97/97/86/75/64/54/550010/1210/1110/119/108/107/96/86/75/64/555012/1311/1211/1210/119/118/107/96/85/75/660013/1412/1412/1311/1210/129/118/107/86/75/7梁宽b14161820222528323640注：表内分数值，其分子为梁上部纵筋单排最大根数， 分母为梁下部钢筋单排最 大根数。梁纵向钢筋单排最大根数（净保护层厚度：30mm梁宽b(mm钢筋直径（mm141618202225283236401502222221/21112003/433332/32/3221/225054/54/5443/432/32230065/65/654/54/543/432/33507/86/76/76/75/65/64/543/434008/987/87/86/76/75/64/54/53/44509/109/108/98/97/86/86/75/64/54/550010/1110/119/109/108/97/96/86/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1311/1210/129/118/107/86/75/7梁宽b14161820222528323640注：表内分数值，其分子为梁上部纵筋单排最大根数， 分母为梁下部钢筋单排最 大根数。柱纵向钢筋单排最大根数（净保护层厚度：30mm柱宽b(mm钢筋直径（mm1416182022252832364025033333332223004444433333350555444443340065555554444506666655544500777766655555088777766656009888877766650109998887767001010109998877750111110101099888800121111111010109988501312121211111010999001313131212111110109柱宽b14161820222528323640柱纵向钢筋单排最大根数（净保护层厚度：35mm柱宽b(mm钢筋直径（mm141618202225283236402503333332222300444433333335055444444334005555554444450666655554450077766665555508877776665600988887776665099998887767001010109998877750111110101099888800121111111010109988501212121111111010999001313121212111110109柱宽b14161820222528323640每米板宽内的钢筋截面面积表钢筋间距（mrh当钢筋直径（mm为卜列数值时的钢筋截面而枳（mri）44.55681012141618202225701802272804047181122161621992872363544885430701275168212262377670104715082053268133934189506865458015719924535362898214141924251331813927475261369014017721831455987312571710223428273491422454541001261591962835037851131153920112545314238014909110114145178257457714102813991828231328563456446212010513316423641965494212831676212126183168409112510112715722640262890512321608203625133041392713097122151217387604870118415471957241729243776140901141402023595618081100143618182244271535061508410613118833552475410261340169620942534327216079991231773144917079621257159