钢筋单位质量的截面面积及质量

1234567896

7.028.357851131421701982262550.2228

9.350.31011512012523023524024530.39510

11.678.51572363143934715506287070.61712

13.9113.122633945256567879190410170.88814

16.2153.9308462615769923107712301387 1.2116

18.4201.140260380410051206140716081809 1.5818

20.5254.5509763101812721526178020362290 2.0020

22.7314.2628942125615701884220025132827 2.4722

25.1380.17601140152019002281266130413421 2.9825

28.4490.99821473196424542945343639274418 3.8528

31.6615.812321847246330793695431049265542 4.8332

35.8804.316092413321740214826563064347238 6.3136

40.21017.9203630544072508961077125814391617.9940

44.51256.625133770502762837540879610053113109.875054.9196439285892785698201178413748157121767615.42

公称直

径

(mm)

外径(mm)单根钢筋理论质量（kg/m）钢筋的计算截面面积及理论质量

不同根数钢筋的计算截面面积（㎜^2）