常用几何图形计算、钢材重量计算表(共8页)

1、精选优质文档-倾情为你奉上常用几何图形计算名称图形计算公式备注长方形面积Aa×ba2b2d2平行四边形面积Ab×h h=b=菱形面积A a=h=d=梯形面积Ah m=h=a=-b三角形面积A= absinC圆形面积AR2 周长L2R椭圆面积Aab圆环面积A(R2-r2)扇形面积AR2C=周长lRC弓形面积A=-Rh=R-局部圆环面积AC(R2-r2)抛物线弓形面积Abh角隅形面积Ar2r2正多边形面积AnN为正多边形边数新月形面积AR2(-CsinC)圆柱体体积VR2HD2H侧表面积A2RH斜底圆柱体体积VR2侧表面积AR（Hh）空心圆柱体体积VH(R2-r2)=H(D2-

2、d2)侧表面积A2H（Rr）圆锥体积VHR2侧表面积ARl=R母线l=圆台体积V(R2r2Rr)H侧表面积Al(Rr) 母线l=正方体体积Va3方楔形体积V（2aa1）bh棱锥体积VAhA底面积h高棱柱体积VAhA底面积h高棱台体积Vh(A1A2)式中A1顶面积A2底面积梯形体体积V（aba1b1aba1b1）球体体积VR3D3表面积A12.57R2圆球环体体积V22Rr22Dd2表面积A42Rr球缺体积VH(3r2H2)H2（R-）表面积A2RH球台体积VH(3r123r22H2) 表面积A2RH球扇形（球楔）体积VR2H 椭球体体积Vabc交叉圆柱体体积Vr2（L1L2）专心-专注-专业钢

3、材理论重量表圆钢规格466.58101214161820222528303236Kg/m0.0990.2220.2600.3950.6170.8881.211.5782.002.472.9843.8534.835.556.317.99焊管规格1/8n1/4n3/8n1/2n3/4n1n1.25n1.5n2n2.5n3n4n5n6nKg/m0.390.620.821.261.632.423.133.844.886.648.3410.8515.0417.81等边角钢规格25×330×336×440×340×445×445×550

4、×550×656×556×863×670×775×775×880×890×10Kg/m1.1241.3732.1631.8522.4222.7363.3693.774.4654.2516.5685.7217.3987.9769.039.65813.476槽钢规格81012.614a14b16a1618a1820a2022a2225a25b25c28a28b接表下面Kg/m8.04510.00712.3714.53516.73317.2319.7420.17422.9922.63725.7724.

5、99928.45327.4731.3935.3231.4235.81工字钢规格I10I12.6I14I16I18I20aI20bI22aI22bI25aI25bI28aI28bI32aI32bI32cI36aI36bI36cKg/m11.26114.22316.920.51324.14327.92931.06933.0736.52438.10542.0343.49247.88852.71757.74162.8059.965.671.2钢板规格11.522.534568101216182024Kg/m27.8511.7815.719.6323.5531.4039.2547.162.878.594.2125.6141.3157.00188.40钢模板规格P1015P2015P3015接表上面28c32a32b32c36a36b36c40a40b40cKg710.416.440.2138.2243.2548.2847.853.4559.15