文檔鋼筋面積表

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）1234567893

4

5

6

6.57.1

12.6

19.6

28.3

33.214.1

25.1

39

57

6621.2

37.7

59

85

10028.3

50.3

79

113

13335.3

62.8

98

141

16642.4

75.4

118

170

19949.5

88.0

137

198

23256.5

100.5

157

226

26563.6

113.1

177

254

2990.0555

0.0986

0.154

0.222

0.2608

8.2

10

12

1450.3

52.8

78.5

113.1

153.9101

106

157

226

308151

158

236

339

462201

211

314

452

616251

264

393

565

770302

317

471

679

924352

370

550

792

1078402

422

628

905

1232452

475

707

1018

13850.395

0.415

0.617

0.888

1.20816

18

20

22

25201.1

254.5

314.2

380.1

490.9402

509

628

760

982603

763

942

1140

1473804

1018

1257

1521

19631005

1272

1571

1901

24541206

1527

1885

2281

29451407

1781

2199

2661

34361608

2036

2513

3041

39271810

2290

2827

3421

44181.578

1.998

2.466

2.984

3.85328

32

36

40615.8

804.2

1017.9

1256.61232

1608

2036

25131847

2413

3054

37702463

3217

4072

50273079

4021

5089

62833695

4825

6107

75404310

5630

7125

87964926

6434

8143

100535542

7238

9161

113104.834

6.313

7.990

9.865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）141618202225283236401502/32/322221/211120043/43/43332/3221/2250554/54/543/432/3223006/765/65/654/543/432/33507/876/76/765/64/543/434008/98/97/87/86/76/75/64/54/53/44509/109/108/98/97/97/86/75/64/54/550010/1210/1110/119/108/107/96/86/75/64/555012/1311/1211/1210/119/118/107/96/85/75/660013/1412/1412/1311/1210/129/118/107/86/75/7梁寬b14161820222528323640注：表內(nèi)分數(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）141618202225283236401502222221/21112003/433332/32/3221/225054/54/5443/432/32230065/65/654/54/543/432/33507/86/76/76/75/65/64/543/434008/987/87/86/76/75/64/54/53/44509/109/108/98/97/86/86/75/64/54/550010/1110/119/109/108/97/96/86/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1311/1210/129/118/107/86/75/7梁寬b14161820222528323640注：表內(nèi)分數(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)。160

170

175

180

190

20079

74

72

70

66

6399

94

91

88

84

80123

115

112

109

103

98177

166

162

157

149

141314

296

287

279

265

251491

462

449

436

413

392707

665

646

628

595

565962

906

880

855

810

7701257

1183

1149

1117

1058

10051590

1497

1454

1414

1339

12721963

1848

1795

1745

1653

15712376

2236

2172

2112

2001

19013068

2887

2805

2727

2584

2454250

30050

4264

5379

65113

94201

168314

262452

377616

513804

6701018

8481257

10471521

12671963

1636鋼筋間距44.55681012141618202225附加箍筋承受集中荷載承載力表[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(Ⅰ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647.595.0142.5190.0884.4168.9253.3337.810131.9263.9395.8527.812190.0380.0570.0760.014258.6517.2775.81034.5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(Ⅱ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α＝45°α＝60°1根2根3根4根1根2根3根4根HPB235(Ⅰ級)1233.667.2100.8134.441.182.3123.4164.51445.791.4137.2182.956.0112.0168.0224.01659.7119.4179.1238.873.1146.3219.4292.51875.6151.1226.7302.392.6185.1277.7370.22093.3186.6279.9373.2114.3228.5342.8457.122112.9225.8338.7451.6138.3276.5414.8553.125145.8291.6437.3583.1178.5357.1535.6714.2鋼筋級別鋼筋直徑

(mm)彎

起

角

度α＝45°α＝60°1根2根3根4根1根2根3根4根HRB335(Ⅱ級)1248.096.0143.9191.958.8117.5176.3235.11465.3130.6195.9261.280.0160.0240.0320.01685.3170.6255.9341.2104