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1、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(mm2)单根钢筋公称质量(kg/m)12345678934566.57.112.619.628.333.214.125.139576621.237.75985100 28.350.37911313335.362.89814116642.475.4118170199 49.588.0137198232 56.5100.5157226265 63.6113.1177254299 0.05550.09860.1540.2220.26088.210121450.352.878.5113.1153.9 101106157226308
2、 151158236339462 201211314452616 251264393565770 302317471679924 3523705507921078 4024226289051232 45247570710181385 0.3950.4150.6170.8881.208 1618202225201.1254.5314.2380.1490.9402509628760982 60376394211401473 8041018125715211963 10051272157119012454 12061527188522812945 14071781219926613436 16082
3、036251330413927 18102290282734214418 1.5781.9982.4662.9843.853 每米板宽内的钢筋截面面积表 钢筋间距(mm)当钢筋直径(mm)为下列数值时的钢筋截面面积(mm2)44.55681012141618202225707580901001801681571401262272121991771592802622452181964043773533142837186706285595031122104798287378516161508141412571131219920531924171015392872268125132234201136
4、353393318128272545448841893927349131425430506847524224380170126545613654544909110120125130140150114105101979084145133127122114106178164157151140131257236226217202188457419402387359335714654628604561524102894290587080875413991283123211841100102618281676160815471436134023132121203619571818169628562618
5、251324172244209434563168304129242715253444624091392737763506327216017017518019020079747270666399949188848012311511210910398177166162157149141314296287279265251491462449436413392707665646628595565962906880855810770125711831149111710581005159014971454141413391272196318481795174516531571237622362172211
6、220011901306828872805272725842454钢筋间距44.55681012141618202225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(mm)141618202225283236401502222221/21112003/433332/32/3221/225054/54/5443/432/32230065/65/654/54/543/432/33507/86/76/76/75/65/64/543/434008/987/87/86/76/75/64/54/53/44509/109/108/98/97/86/86/75/64/54/550
7、010/1110/119/109/108/97/96/86/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1311/1210/129/118/107/86/75/7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(mm)1416182022252832364025033333332223004444433333350555444443340065555554444506666655544500777766655555088777766656009888877766650109998887767001010109998877750111110101099888800121111111010109988501312121211111010999001313131212111110109柱宽 b14161820222528323640