1、鋼筋的計算截面面積及公稱質(zhì)量表直徑d（mm）不同根數(shù)直徑的計算截面面積（mm2）單根鋼筋公稱質(zhì)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 28323640615.8804.21017.91256.6 1232160820362513 1847241330543770 2463321740725027 3079402150896283 3695482561077540 4310563071258796 49266434814310053 55427238916111310 4.8346.3137.9909.865 每米板寬內(nèi)的鋼筋截面面積表 鋼筋間距（mm）當(dāng)鋼筋直徑（mm）為下列數(shù)值時的鋼筋截面面積（mm

4、2）44.5568101214161820222570758090100180168157140126227212199177159280262245218196404377353314283718670628559503112210479828737851616150814141257113121992053192417101539287226812513223420113635339331812827254544884189392734913142543050684752422438017012654561365454490911012012513014015011410510197908

5、414513312712211410617816415715114013125723622621720218845741940238735933571465462860456152410289429058708087541399128312321184110010261828167616081547143613402313212120361957181816962856261825132417224420943456316830412924271525344462409139273776350632721601701751801902007974727066639994918884801231

6、151121091039817716616215714914131429628727926525149146244943641339270766564662859556596290688085581077012571183114911171058100515901497145414141339127219631848179517451653157123762236217221122001190130682887280527272584245425030050426453796511394201168314262452377616513804670101884812571047152112671

7、9631636鋼筋間距44.55681012141618202225凈保護層厚度（mm）：  25    30    35    40梁縱向鋼筋單排最大根數(shù)  (凈保護層厚度：25mm）梁寬 b（mm）鋼筋直徑（mm）141618202225283236401502/32/322221/211120043/43/43332/3221/2250554/54/543/432/3223006/765/65/654/543/432/33507/876/76/765/64/543/434008/98/97/87/8

8、6/76/75/64/54/53/44509/109/108/98/97/97/86/75/64/54/550010/1210/1110/119/108/107/96/86/75/64/555012/1311/1211/1210/119/118/107/96/85/75/660013/1412/1412/1311/1210/129/118/107/86/75/7梁寬 b14161820222528323640注：表內(nèi)分?jǐn)?shù)值，其分子為梁上部縱筋單排最大根數(shù)，分母為梁下部鋼筋單排最大根數(shù)。梁縱向鋼筋單排最大根數(shù)  (凈保護層厚度：30mm）梁寬 b（mm）鋼筋直徑（mm）14161820

9、2225283236401502222221/21112003/433332/32/3221/225054/54/5443/432/32230065/65/654/54/543/432/33507/86/76/76/75/65/64/543/434008/987/87/86/76/75/64/54/53/44509/109/108/98/97/86/86/75/64/54/550010/1110/119/109/108/97/96/86/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1311/1210/129

10、/118/107/86/75/7梁寬 b14161820222528323640梁縱向鋼筋單排最大根數(shù)  (凈保護層厚度 35mm）梁寬 b（mm）鋼筋直徑（mm）14161820222528323640150222221/2111120033332/32/32221/22504/54/5443/43/432/3223005/65/6554/54/53/43/432/33507/76/76/765/65/64/543/434008/97/87/876/75/75/64/54/53/44509/108/98/98/97/86/86/75/64/54/550010/1110/119/10

11、9/108/97/96/85/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1211/1210/119/118/97/86/75/7梁寬 b14161820222528323640梁縱向鋼筋單排最大根數(shù)  (凈保護層厚度 40mm）梁寬 b（mm）鋼筋直徑（mm）1416182022252832364015022221/21111120033332/32221/21/22504/54443/4332/3223005/65554/543/4332/33506/76/7665/64/54/53/43/4

12、34007/87/87/876/75/65/64/543/44508/108/98/987/86/75/75/64/54/550010/119/109/1098/97/86/85/75/64/555011/1210/1210/1110/119/108/97/86/75/75/660012/1311/1311/1211/1210/118/108/97/86/75/7梁寬 b14161820222528323640凈保護層厚度（mm）：  30    35    40    50柱縱向鋼筋單排最大根數(shù)  (凈保護層厚度

13、：30mm）柱寬 b（mm）鋼筋直徑（mm）1416182022252832364025033333332223004444433333350555444443340065555554444506666655544500777766655555088777766656009888877766650109998887767001010109998877750111110101099888800121111111010109988501312121211111010999001313131212111110109柱寬 b14161820222528323640柱縱向鋼筋單排最大根數(shù)  (

14、凈保護層厚度：35mm）柱寬 b（mm）鋼筋直徑（mm）141618202225283236402503333332222300444433333335055444444334005555554444450666655554450077766665555508877776665600988887776665099998887767001010109998877750111110101099888800121111111010109988501212121111111010999001313121212111110109柱寬 b14161820222528323640柱縱向鋼筋單排最大根數(shù)

15、60; (凈保護層厚度 40mm）柱寬 b（mm）鋼筋直徑（mm）1416182022252832364025033333222223004433333333350544444433340055555444444506666555544500776666655555087777666656008888777666650999888777670010109998887775011101010109988880012111111101099888501212121111101010999001313121212111110109柱寬 b14161820222528323640柱縱向鋼筋單排最大根數(shù)

16、  (凈保護層厚度 50mm）柱寬 b（mm）鋼筋直徑（mm）141618202225283236402503322222222300333333332235044444433334005555444443450665555544450076666655555507777666655600888777766665099888877667001099998877775010101010998887800111111101010998885012121111111010998900131212121111101099柱寬 b14161820222528323640附加箍筋承受集中荷載承載

17、力表F (kN)鋼筋級別箍 筋箍  筋  個  數(shù)肢數(shù)直徑(mm)每側(cè) 1 個(共 2 個)每側(cè) 2 個(共 4 個)每側(cè) 3 個(共 6 個)每側(cè) 4 個(共 8 個)HPB235 (級)雙肢623.847.571.395.0842.284.4126.7168.91066.0131.9197.9263.91295.0  190.0285.0380.014129.3258.6387.9517.2四肢647.595.0142.5190.0884.4168.9253.3337.810131.9263.9395.8527.812190.0380.0570.07

18、60.014258.6517.2775.81034.5鋼筋級別箍 筋箍  筋  個  數(shù)肢數(shù)直徑(mm)每側(cè) 1 個(共 2 個)每側(cè) 2 個(共 4 個)每側(cè) 3 個(共 6 個)每側(cè) 4 個(共 8 個)HRB335 (級)雙肢633.967.9101.8135.7860.3120.6181.0241.31094.2188.5282.7377.012135.7271.4407.2542.914184.7369.5554.2738.9四肢667.9135.7203.6271.48120.6241.3361.9482.510188.5377.0565.5754.012271.4542.9814.31085.714369.5738.91108.41477.8附加吊筋承受集中荷載承載力表F （kN）鋼筋級別鋼筋直徑(mm)彎  起  角  度45°60°1 根2 根3 根4 根1 根2 根3 根4 根HPB235 (級)1233.667.2100.8134.441.182.3123.4164.51445.7