常用截面的几何与力学特征计算表

截面积Abh401004000bhy166.67W120833.33501002500y233.33W241666.67bb1hy1108.33W1482051.2810060200y291.67W2569696.97截面边缘至主轴的距离y50截面抵抗矩W366666.67序号截面简图A=bh1228.923.657.201388888.8952222222.22对主轴的惯性矩I3333333.33回转半径ihy213121bhI261bhWhi289.0bhA21hy321hy3123361bhI21241bhW22121bhWhi236.0hbbA)(211)(3)2(111bbhbby)(3)2(112bbhbby)(36)4(132112bbhbbbbI)2(12)4(1221121bbhbbbbW)2(12)4(1221122bbhbbbbW211214236.0bbbbbbhi截面积A截面边缘至主轴的距离y截面抵抗矩W序号截面简图对主轴的惯性矩I回转半径id501963.50dd14843390.93BbHh100802001805600670.52100277866.6727786666.67244184.45100426.7516.0352512.512271.85306796.15442dAdy21644dI323dW4di)(4212ddAdy21)(64414ddI)(32414dddW21241ddibhBHAHy2112)(33bhBHIHbhBHW633bhBHbhBHi33289.0截面积A截面边缘至主轴的距离y截面抵抗矩W序号截面简图对主轴的惯性矩I回转半径iaa1100901900HBhtby139.74W1210122.521208011010101900y280.26W2104027.87BbHht554.5100867.21177.2781943774.0270.7140580.22865833.3338.888349605.2666.2995038875.4840.68212aaA2ay12414aaIaaaW414118.0212289.0aaibhBtA)(2)(221bhBttbBbHy12yHy3132[31BybyI]))((31tybB11yIW22yIWAIihbBBHA)(2Hy])([12133hbBBHIHhbBBHW6)(33hbBBHhbBBHi)()(289.033截面积A截面边缘至主轴的距离y截面抵抗矩W序号截面简图对主轴的惯性矩I回转半径iHht1t2B1bB2y171.85W1188365.47150120131710015704290y278.15W2173178.92Bbth1502025350102501117513533993.0210409300.6083.6956.1771627604.17bhtBtBA2211221122222)([21tBbhtBtbBbHy])2)((2211111tBbhtBttHbB21yHy311322[31yByBI3222))((tybB3111))((tybB11yIW22yIWAIitbBbhA)(hy2112)(33tbBbhIhtbBbhW6)(33tbBbhtbBbhi)()(289.033截面积A截面边缘至主轴的距离y截面抵抗矩W序号截面简图对主轴的惯性矩I回转半径iHhBbt1501207015153900HhBbt15012070151539001275784507845054.991375117675001176750054.99hbBBHA)(Hy2112)(33hbBBHIHhbBBHW12)(33hbBBHhbBBHi)()(289.033hbBBHA)(Hy2112)(33hbBBHIHhbBBHW12)(33hbBBHhbBBHi)()(289.033截面积A截面边缘至主轴的距离y截面抵抗矩W序号截面简图对主轴的惯性矩I回转半径iHBbty148.57W110403.67754588896y226.43505274.65W219115.27BHδy130Ix832000Wx20800ix31.5160803840y240Iy540000Wy18000iy25.38141523.75tbBbHA)(21yHytbBbHtbBbHy)()(21222313232)()(31bytybBByI11yIW22yIWAIi15)(2HHBA2221HyBy)13(6)13(633BHBIHBHIyx)13(3)13(322BHBWHBHWyxHBBHBiHBHBHiyx3289.03289.0