每米板宽内的钢筋截面面积表
钢筋
间距5678910111213
7028040456171892011221369161619077526237752467085910471277150817808024535349162880598211981414166990218314437559716873106412571483100196283393503644785958113113351101782573574575857148711028121412016423632741953765479894211131251572263144025156287669051068130151217302387495604737870102714014020228135946056168480895415013118826233542952463975489016012317724631440349159970783417011516623129637946256466578517511216222528736844954864676318010915721827935843653262874219010314920726533941350459570320098141196251322392479565668220891291792292933574365146072408211916421026832739947155625079113157201258314383452534260761091511932483023694355132807010114018023028034240447730066941311682152623193774453206188123157201245299353417钢筋间距5678810111213
直径d=12mm配筋率0.188%间距s=150mm板厚h=400mm每米板宽内的钢
钢 筋 直 径
14151618202225283236
2199253628723635448854307012
2053236726813393418950686545
1924221825133181392747526136
1710197222342827349142245454
15391775201125453142380149096158804210180
1399161418282313285634564462
1283148016762121261831684091
1232142016082036251330413927
1184136615471957241729243776
1100126814361818224427153506
1026118313401696209425343272410553616787
962111012571590196323763068
906104411831497184822362887
880101511491454179521722805
85598511171414174521122727
81093410581339165320012584
77088810051272157119012454307940215090
7008079141157142817282231279936564627
6417408381060130915842045256633514241
6167108041018125715211963246332164072
5926827731157142817282231279936564627
5506347181060130915842045256633514241
513592670848104712671636205226803393
48155462879598211881534192425133181
14151618202225283232内的钢筋截面面积表
钢 筋 直 径
钢筋
间距
70
75
80
90
100
110
120
125
130
140
150
160
170
175
180
190
200
220
240
250
260
280
300
钢筋间距
钢筋截面面积表
钢筋钢筋间距681012141618202225283236间距70404718112216162199287236354488543070127075377670104715082053268133934189506865457580353628982141419242513318139274752613680903145598731257171022342827349142245454901002835037851131153920112545314238014909615880421018010011025745771410281399182823132856345644621101202364196549421283167621212618316840911201252264026289051232160820362513304139271251302173876048701184154719572417292437761301402023595618081100143618182244271535061401501883355247541026134016962094253432724105536167871501601773144917079621257159019632376306816017016629646266590611831497184822362887170175162287449646880114914541795217228051751801572794366288551117141417452112272718019014926541359581010581339165320012584190200141251392565770100512721571190124543079402150902002201292293575147009141157142817282231279936564627220250113201314452616804101812571521196324633216407225030094168262377513670848104712671636205226803393300钢筋间距681012141618202225283232钢筋间距每米板宽内的钢筋截面面积表
钢筋配筋表
精选
. 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）
6 7 8 9 10 12 14 16 18 20 22 25 28
28.3 38.5 50.2 63.6 78.5 113.0 153.9 201.0 254.3 314.0 379.9 490.6 615.4
50 565 769 1005 1272 1570 2261 3077 4019 5087 6280 7599 9813
70 404 550 718 908 1121 1615 2198 2871 3633 4486 5428 7009 8792
75 377 513 670 848 1047 1507 2051 2679 3391 4187 5066 6542 8206
80 353 481 628 795 981 1413 1923 2512 3179 3925 4749 6133 7693
90 314 427 558 707 872 1256 1710 2233 2826 3489 4222 5451 6838
100 283 385 502 636 785 1130 1539 2010 2543 3140 3799 4906 6154
110 257 350 457 578 714 1028 1399 1827 2312 2855 3454 4460 5595
120 236 321 419 530 654 942 1282 1675 2120 2617 3166 4089 5129
125 226 308 402 509 628 904 1231 1608 2035 2512 3040 3925 4924
配筋面积表
一、钢筋混凝土板最小配筋量mm2
混凝土标号 钢筋种类 0.45ft/fy和0.2%的较 大值 板厚(mm)为下行数值时每米宽范围内最小配筋mm2
90 100 110 120 130 140 150 160 170
C20 ft=1.10 HPB235 0.236% 212 236 260 283 307 330 354 378 401
HRB335 0.200% 180 200 220 240 260 280 300 320 340
HRB400 0.200% 180 200 220 240 260 280 300 320 340
C25 ft=1.27 HPB235 0.272% 245 272 299 326 354 381 408 435 462
HRB335 0.200% 180 200 220 240 260 280 300 320 340
HRB400 0.200% 180 200 220 240 260 280 300 320 340
C30 ft=1.43 HPB235 0.306% 275 306 337 367 398 428 459 490 520
HRB335 0.215% 194 215 237 258 280 301 323 344 366
HRB400 0.200% 180 200 220 240 260 280 300 320 340
C35 ft=1.57 HPB235 0.336% 302 336 370 403 437 470 504 538 571
HRB335 0.236% 212 236 260 283 307 330 354 378 401
HRB400 0.200% 180 200 220 240 260 280 300 320 340
C40 ft=1.91 HPB235 0.409% 368 409 450 491 532 573 614 654 695
钢筋的计算截面面积及理论重量
混凝土结构设计注意事项
目 录
1、钢筋的计算截面面积及理论重量 „„„„„„„„„„„„„„„„„„„„„„ 1
2、每米板宽内的钢筋截面面积表 „„„„„„„„„„„„„„„„„„„„„„„ 1
3、单肢箍Asv1/s(mm2/mm) „ „„„„„„„„„„„„„„„„„„„„„„„„ 1
4、梁内单层钢筋最多根数 „„„„„„„„„„„„„„„„„„„„„„„„ 2
5、一种直径及两种直径组合时的钢筋面积（mm2）„„„„„„„„„„„„„„„„ 2
6、结构构件的裂缝控制等级及最大裂缝宽度限值„„„„„„„„„„„„„„„„ 2
7、混凝土结构的环境类别 „„ „„„„„„„„„„„„„„„„„„„„„„„„ 3
8、混凝土强度 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 3
9、混凝土保护层 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 4
10、纵向受力钢筋的配筋率 „„„„„„„„„„„„„„„„„„„„„„„„„ 5
11、混凝土结构构件抗震设计
(1)一 般 规 定 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 6
(2)框 架 梁 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 7
(3)框架柱及框支柱 „„„„„„„„„„„„„„„„„„„„„„„„„„„ 10
12、结构荷载
(1)民用建筑楼面均布活荷载 „„„„„„„„„„„„„„„„„„„„„„„„ 11
(2) 屋面活荷载 „„„„„„„„„„„„„„„„„„„„„„„„„„„„ 12
(3) 施工和检修荷载及栏杆水平荷载 „„„„„„„„„„„„„„„„„„„„„ 14
(4) 隔墙荷载 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 14
(5) 恒荷载取值 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 14
钢筋截面面积表 2
钢筋截面面积表
-CAL-FENGHAI.-(YICAI)-Company One1
每米板宽内的钢筋截面面积表
钢筋间距 钢筋直径/钢筋面积
（mm） φ8 φ10 φ12 φ14 φ16 φ18 φ20 φ22 φ25 φ28 φ32
@70 718 1122 1616 2199 2872 3635 4488 5430 7012 @75 670 1047 1508 2053 2681 3393 4189 5068 6545 @80 628 982 1414 1924 2513 3181 3927 4752 6136 @90 559 873 1257 1710 2234 2827 3491 4224 5454 @100 503 785 1131 1539 2011 2545 3142 3801 4909 6185 8042
@110 457 714 1028 1399 1828 2313 2856 3456 4462 @120 419 654 942 1283 1676 2121 2618 3168 4091 @125 402 628 905 1232 1608 2036 2513 3041 3927 @130 387 604 870 1184 1547 1957 2417 2924 3776 @140 359 561 808 1100 1436 1818 2244 2715 3506 @150 335 524 754 1026 1340 1696 2094 2534 3272 4123 5361
@160 314 491 707 962 1257 1590 1963 2376 3068 @170 296 462 665 906 1183 1497 1848 2236 2887 @175 287 449 646 880 1149 1454 1795 2172 2805 @180 279 436 628 855 1117 1414 1745 2112 2727 @190 265 413 595 810 1058 1339 1653 2001 2584 @200 251 392 565 770 1005 1272 1571 1901 2454 4021
钢筋计算面积表
一、钢筋的计算截面面积及理论重量
公称直径
mm 不 同 根 数 钢 筋 的 计 算 截 面 面 积/mm2 单根钢筋理论重量(kg/m) 1 2 3 4 5 6 7 8 9
6 28.3 57 85 113 142 170 198 226 255 0.222
6.5 33.2 66 100 133 166 199 232 265 299 0.260
8 50.3 101 151 201 252 302 352 402 453 0.395
8.2 52.8 106 158 211 264 317 370 423 475 0.432
10 78.5 157 236 314 393 471 550 628 707 0.617
12 113.1 226 339 452 565 678 791 904 1017 0.888
14 153.9 308 461 615 769 923 1077 1231 1385 1.21
16 201.1 402 603 804 1005 1206 1407 1608 1809 1.58
18 254.5 509 763 1017 1272 1526 1780 2036 2290 2.00
20 314.2 628 941 1256 1570 1884 2200 2513 2827 2.47
22 380.1 760 1140 1520 1900 2281 2661 3041 3421 2.98
25 490.9 982 1473 1964 2454 2945 3436 3927 4418 3.85
28 615.8 1232 1847 2463 3079 3695 4310 4926 5542 4.83
32 804.2 1609 2413 3217 4021 4826 5630 6434 7238 6.31
36 1017.9 2036 2054 4072 5089 6107 7125 8143 9161 7.99
钢筋的计算截面面积及公称质量表
钢筋的计算截面面积及公称质量表
直径
不同根数直径的计算截面面积（mm2） 单根钢筋
d 公称质量
（mm） 1 2 ?
3 4 5 6 7 8 9 （kg/m）
3 ~
4 !
88
|
5 39 59 79 98 118 137 157 177 ，
6 57 85 113 141 170 198 226 ，
254
66 100 133 166 199 232 !
265 299
8 101 151 201 251 302 !
352 402 452
106 158 211 264 —
317 370 422 475
10 157 236 314 。
393 471 550 628 707
12 226 339 )
452 565 679 792 905 1018
14 308 -
462 616 770 924 1078 1232 1385
16 } 603 804 1005 1206 1407 1608 1810
》
402
18 #
509 763 1018 1272 1527 1781 2036 2290
~
20 628 942 1257 1571 1885 2199 2513 2827 、
22 760 1140 1521 1901 2281 2661 3041 $
3421
25 982 1473 1963 2454 2945 3436 !
3927 4418
28 1232 1847 2463 3079 3695 |
4310 4926 5542
32 1608 2413 3217 4021 （
4825 5630 6434 7238
36 2036 3054 4072 …
5089 6107 7125 8143 9161
40 2513 3770 ·
5027 6283 7540 8796 10053 11310
钢筋的计算截面面积及理论重量 2
目 录
1、钢筋的计算截面面积及理论重量 „„„„„„„„„„„„„„„„„„„„„„ 1
2、每米板宽内的钢筋截面面积表 „„„„„„„„„„„„„„„„„„„„„„„ 1
3、单肢箍Asv1/s(mm2/mm) „ „„„„„„„„„„„„„„„„„„„„„„„„ 1
4、梁内单层钢筋最多根数 „„„„„„„„„„„„„„„„„„„„„„„„ 2
5、一种直径及两种直径组合时的钢筋面积（mm2）„„„„„„„„„„„„„„„„ 2
6、结构构件的裂缝控制等级及最大裂缝宽度限值„„„„„„„„„„„„„„„„ 2
7、混凝土结构的环境类别 „„ „„„„„„„„„„„„„„„„„„„„„„„„ 3
8、混凝土强度 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 3
9、混凝土保护层 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 4
10、纵向受力钢筋的配筋率 „„„„„„„„„„„„„„„„„„„„„„„„„ 5
11、混凝土结构构件抗震设计
(1)一 般 规 定 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 6
(2)框 架 梁 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 7
(3)框架柱及框支柱 „„„„„„„„„„„„„„„„„„„„„„„„„„„ 10
12、结构荷载
(1)民用建筑楼面均布活荷载 „„„„„„„„„„„„„„„„„„„„„„„„ 11
(2) 屋面活荷载 „„„„„„„„„„„„„„„„„„„„„„„„„„„„ 12
(3) 施工和检修荷载及栏杆水平荷载 „„„„„„„„„„„„„„„„„„„„„ 14
(4) 隔墙荷载 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 14
(5) 恒荷载取值 „„„„„„„„„„„„„„„„„„„„„„„„„„„„„„ 14
配筋表
1
混凝土强度设计值（N/mm2）
强度
种类 混 凝 土 强 度 等 级
C15 C20 C25 C30 C35 C40 C45 C50 C55 C60 C65 C70 C75 C80
fc 7.2 9.6 11.9 14.3 16.7 19.1 21.1 23.1 25.3 27.5 29.7 31.8 33.8 35.9
ft 0.91 1.10 1.27 1.43 1.57 1.71 1.80 1.89 1.96 2.04 2.09 2.14 2.18 2.22
混凝土强度标准值（N/mm2）
强度种类 符号 混 凝 土 强 度 等 级
C7.5 C10 C15 C20 C25 C30 C35 C40 C45 C50 C55 C60
轴心抗压 fck 5 6.7 10 13.5 17 20 23.5 27 29.5 32 34 36
弯曲抗压 fcmk 5.5 7.5 11 15 18.5 22 26 29.5 32.5 35
37.5 39.5
抗 拉 ftk 0.75 0.9 1.2 1.5 1.75 2 2.25 2.45 2.6 2.75 2.85 2.95
纵向受力钢筋混凝土保护层最小厚度（mm）
环境类别 板、墙、壳 梁、柱、杆 柱
≤C20 C25~C45 ≥C50 ≤C20 C25~C45 ≥C50 ≤C20 C25~C45 ≥C50
一
20 15 15 25 20 20 — — —
二 a 25 20 20 30 25 25 — — —
b 30 25 20 40 35 30 — — —
三 35 30 25 45 40 35 — — —
注：基础中纵向受力钢筋的混凝土保护层厚度不应小于40mm，当无垫层时不应小于70mm。
现浇钢筋混凝土房屋适用最大高度（m）
结构体系 抗 震 设 防 烈 度
钢筋的计算截面面积及公称质量表 2
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） 1 2 3 4 5 6 7 8 9
3
4
5
6
6.5 7.1
12.6
19.6
28.3
33.2 14.1
25.1
39
57
66 21.2
37.7
59
85
100 28.3
50.3
79
113
133 35.3
62.8
98
141
166 42.4
75.4
118
170
199 49.5
88.0
137
198
232 56.5
100.5
157
226
265 63.6
113.1
177
254
299 0.0555
0.0986
0.154
0.222
0.260
8
8.2
10
12
14 50.3
52.8
78.5
113.1
153.9 101
106
157
226
308 151
158
236
339
462 201
211
314
452
616 251
264
393
565
770 302
317
471
679
924 352
370
550
792
1078 402
422
628
905
1232 452
475
707
1018
1385 0.395
0.415
0.617
0.888
1.208
16
18
20
22
25 201.1
254.5
314.2
380.1
490.9 402
509
628
760
982 603
763
942
1140
1473 804
1018
1257
1521
1963 1005
1272
1571
1901
2454 1206
1527
1885
2281
2945 1407
1781
2199
2661
3436 1608
2036
2513
3041
3927 1810
2290
2827
3421
4418 1.578