钢筋面积表2正式版

1、钢筋面积表2正式版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)123456789628.357851131421701982262550.2226.533.2661001331661992322652990.260850.31011512012523023524024530.3951078.51572363143934715506287070.61712113.122633945256567879190410170.88814153.93084616157699231077123113851.2116201.1402603804100

2、512061407160818091.5818254.55097631017127215261780203622902.0020314.26289411256157018842200251328272.4722380.176011401520190022812661304134212.9825490.998214731964245429453436392744183.8528615.8123218472463307936954310492655424.8332804.2160924133217402148265630643472386.31每米板宽内的钢筋截面面积表钢筋间 距（MM2）当钢筋直

3、径（mm）为下列数值时的钢筋截面面积(mm2)44.5568101214161820222570180227280404718112216162199287236354488543070127516821226237767010471508205326813393418950686545801571992453536289821414192425133181392747526136901401772183145598731257171022342827349142245454100126159196283503785113115392021254531423801490911011414517

4、825745771410281399182823132856345644621201051331642364196549421283167621212618316840911251011271572264026289051232160820362513304139271309712215121738760487011841547195724172924377614090114140202359561808110014361818224427153506150841061311883355247541026134016962094253432721607999123177314491707962

5、125715901963237630681707494115166296462665906118314971848223628871757291112162287449646880114914541795217228051807088109157279436628855111714141745211227271906684103149265413595810105813391653200125842006380981412513925657701005127215711901245425050647911320131445261680410181257152119633004253659416

6、8262377513670848104712671636单肢箍 Asv1/s(mm2/mm)箍筋间距s钢筋直径（mm）6810121000.2830.5030.7851.1311500.1880.3350.5230.7542000.1420.2510.3920.566梁内单层钢筋最多根数梁宽（mm）钢筋直径（mm）1416182022252820043/43/43332/3250554/5443/433006/765/65/654/543507/876/76/765/64/54008/98/97/87/876/75/6一种直径及两种直径组合时的钢筋面积（mm2直径05直径12345直径1234

7、5161201120614355 :509663 :87197112314 :427P 570 :653767240214075567108641018117251562874185596836031608757 :9111065 :12191373716 :829:942 :1056；1169：48041810958111212661420157491710301144125713705100520211159 :13131467 :162117751118 :1232：1345：1458：1571：1812541527164566578581059126014408562716870102

8、425091781710 :9111112 1817:971 :1125:1279：37632036964116613671566176991710711225137915334101822901219：14201621：182220231172 :1326:1480：1634：1788：5127225451473167418762077227814261580173418882042201314188518569 :8231018 :1332158716515 :716P 917 :11181319：262822008831137139216461900829103

9、0123214331634394225131197 :14511706 :196022151144：1345：1546：1747：1948：41257282715111766222752529145816591860206122625157131421825 120802334 :258928431771：19732174：2375P2576：221380228020649100813321636195118630889114413981652276026621074 13891703 1202123311015 :1269r 1534I1778r 2033I31140304014551769

10、208323972711139516491904215824134152034201835 121492463 :2777309117752029228425382793：51900380022152529284331573471215524102664291931732514912845228711251163112021239220805 :1119：1433：1748:2162：2982343613611742212225022882129616101924223625533147339271853 :22332613 :299333731787 :21012415：2729：3043：

11、41963441823442724310434843864227825922906322035345245449092835321535953975435527693083339737114025六、结构构件的裂缝控制等级及最大裂缝宽度限值环境类别钢筋混凝土结构预应力混凝土结构裂缝控制等级3 lim(mm)裂缝控制等级3 lim(mm)-一-三0.3(0.4)三0.2-二二三0.2-二二-三三0.2-一-注：1、表中的规定适用于采用热轧钢筋的钢筋混凝土构件和采用预应力钢丝、钢绞线及处理钢筋的预应力混凝土构件；当采用其他类别的钢丝或钢筋时，其裂缝控制要求可按专门标准确定；2、 对处于年平均相对湿

12、度小于60%地区一类环境下的受弯构件，其最大裂缝宽度限值可采 用括号内的数值；3、在一类环境下，对钢筋混凝土屋架、托梁及需作疲劳验算的吊车梁，其最大裂缝宽度限值应取为0.2mm；对钢筋混凝土屋面梁和托梁，其最大裂缝宽度限值应取为0.3mm ；4、在一类环境下，对预应力混凝土面梁、托梁、屋架、托架、屋面板和楼板，应按二级裂 缝控制小学数学图形计算公式平面图形图形名称图形周长（C）公式面积（S）公式正方形（4条对称 轴）a 口周长边长X 4C=4a1公式变换：a = C* 4= C4面积=边长X边长S=aXa= a?长方形（2条对称 轴）ba周长长+长+宽+宽=2长+2宽=(长+宽)X 2C= (

13、a+b) X 2公式变换：a = C 2 bb = C 2 a面积=长X宽S=aX b= ab公式变换：a= S * bb= S * a三角形（等边有 3条对称轴； 等腰有1 条对称轴）a周长-边长 a+边长b+边长cC =a+ b+ c注：等边周长C=3a公式变换：a = C * 3面积=底乂高* 21s=ah 吃= ah2公式变换：三角形高=面积X 2*底h=2s * a三角形底=面积X 2*高a =2s * h平行四边形（没有对称 轴）/O周长-边长a+边长a+边长b+边长b 边长aX 2+边长bX 2C 2a+2b=2 （a+ b）面积=底X高s=ah公式变换：a=s * hh =s*

14、 a梯形（等腰梯形 有1条对称 轴）b周长边长a+边长b +边长d +边长eC a+b+ d+e面积=(上底+下底)X高* 2 s=(a+b) Xi *公式变换：a =2s * h bb = 2s * h a圆形周长=直径Xn =2 XnX半径C= n d=2 n r公式变换：d=2rr= d * 2d = C*n r = C* 2 n半圆周长=n r + d面积-半径X半径XnS = n r2面积=S大圆一S小圆周长=C 大圆 +C 小圆圆环=n D+n d=2 n R+2n r=2n( R+r)立体图形图形名称图形总棱长（L）公式表面积（S）公式体（容）积（V） 公式正方体总棱长=棱长X

15、12L=12aS=个面的面积X 62S=a Xa 6 =6a体积=棱长X棱 长X棱长V= a x a x a=a长方体ha/7总棱长=长X 4+宽X 4+高X 4=4 (长 + 宽+高)L=4 (a+b+h)表面积=（长X宽+长X 高+宽X高）X 2S=2（ab+ah+bh）体积=长X宽X 高V=abh圆柱体侧面积=底面周长X咼S 侧=ch=d n h=2 n rh表面积=底面积X 2+侧面积S表=S底X 2+ S侧圆柱的表面积公式：（1）有两个底面的圆柱的表面积公式：2S表=S 底 X 2+ S 侧=n r X 2+ n dh=n r X 2+2 n rh=2 n r （叶h ）（2）只有1

16、个底面的圆柱的表面积公式：2S表=S 底 + S 侧=n r + n dh2=n r +2 n rh= n r （叶2h ）（3）两个底面都没有的圆柱的表面积公式：S 表=S侧=ch = n dh =2 n rh体积=底面积X高=侧面积* 2X半径V= S 底 X h=n r2 h大圆柱直径为D，半径为R，周长为C; 小圆柱直径为d，半径为r，周长为c；高都V= V大圆柱一V小圆柱 =S大圆柱底X hS小圆筒11为hS表=S大圆柱侧+ S小圆柱侧+(S大圆柱底S小圆柱底)X 2=C大圆柱h+c小圆柱h+ (n R n r2)X 2=Dn h+d n h+ (n R n r 2)X 2=n h

17、( D+d) +2n( R r2)=2n h ( R+r) +2 n( R2 r2)圆柱底X h=n 氏 h n r2X h2 2=n h (R r )圆锥体体积=底面积X咼* 311 1 2 V圆锥=V圆柱=S底X h= n r h333V圆柱=3 V圆锥等底等体积的圆柱与圆锥，圆锥的高=圆柱高的3倍椭圆封头面积、体积对应表封头面积公式：S=nrr+h1 xc+2h其中r=Di/2 h仁H-h标准椭圆封头C=0.760346公称直径曲面深度直边高度h (mm)254050DN=Di/mmHi/mm内表面积s/m ,容积v/mSV| SVSV彳300750.120.005350880.160.

18、008400100 :0.200.0124501130.250.0165001250.310.0210.330.024550138:0.370.028r 0.400.031600150 0.440.0350.470.0406501630.510.0440.540.0497001750.590.0550.620.0607501880.670.0660.700.073.8002000.760.0800.790.0879002250.950.1110.990.12110002501.160.1511.210.16211002751.400.1981.450.21212003001.660.2541.

19、710.27113003251.930.3212.000.34114003502.230.3982.300.42115003752.560.4862.630.5121600400 :2.900.5862.98 :0.61717004253.270.7003.350.7343.400.75718004503.650.8273.710.8653.790.89119004754.060.9694.151.0114.211.04020005004.491.1264.59 1.173P 4.651.204”21005254.951.2995.041.3515.111.3852200550:5.421.4

20、89r 5.52:1.5465.591.581 12300575 5.911.6976.02 :1.759r 6.101.800”24006006.431.9236.551.9916.622.0362500625:6.972.1687.09 :2.2427.172.29126006507.532.4337.652.513P 7.742.566丁28007008.723.0278.853.1208.943993.71110.133.817I 10.233.888320080011.354.49011.504.61110.604.69订340085012.805.3721

21、2.965.50813.065.599350087513.555.85313.725.99713.836.093360090014.336.36214.50 :6.514P 14.61 6.616 彳380095015.957.46616.137.63616.257.7504000100017.668.69217.818.88017.979.0664200105019.6510.25219.7810.3914400110021.5411.75921.6711.91145001125122.5112.56122.6612.72314600115023.5113.40623.6613.572480

22、0120025.5815.20025.7315.3815000125027.7317.14827.8817.3445200130029.9619.25530.1219.467钢筋理论重量表冷轧带肋钢筋钢筋6kg/m0.222钢筋8kg/m0.3950钢筋10kg/m0.6169钢筋12kg/m0.8880钢筋14kg/m1.21钢筋16kg/m1.5800钢筋18kg/m2钢筋20kg/m2.4700钢筋22kg/m2.98钢勺筋25kg/m3.8500钢筋28kg/m4.8300钢筋32kg/m6.3100钢勺筋36kg/m7.9900钢筋40kg/m9.8700钢筋50kg/m15.42低碳钢热轧圆盘条低碳钢热轧圆盘条5.5kg/m0.187低碳钢热轧圆盘条6.0kg/m0.222低碳钢热轧圆盘条6.5kg/m0.2600低碳钢热轧圆盘条7.