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本帖最后由 liuxiaoran 于 2022-10-21 19:13 编辑
钢管变形小。
ql4*/(8eI), q是单位长度重量,I的抗弯模量。。。(D^4-d^4)/64..e是弹性模2e5, l是长度。
不保证计算正确,感觉位移有点偏大。。。。还需要校核师傅屈服吗?哈哈啊,304屈服强度235.
老母是,吃亏是福,老子吃了这么多亏了,福拉。我靠!!!
e | density | D | d | s | q=dens*s*g*1000 | l | I=3.14*(D^4-d^4)/64 | dis=q*l^4/8/e/i | 2.00E+05 | 8.00E-09 | 10 | 0 | 78.5 | 6.28E-03 | 500 | 490.625 | | 5.00E-01 | | 2.00E+05 | 8.00E-09 | 10 | 1 | 77.715 | 6.22E-03 | 500 | 490.5759 | | 4.95E-01 | | 2.00E+05 | 8.00E-09 | 10 | 2 | 75.36 | 6.03E-03 | 500 | 489.84 | | 4.81E-01 | | 2.00E+05 | 8.00E-09 | 10 | 3 | 71.435 | 5.71E-03 | 500 | 486.6509 | | 4.59E-01 | | 2.00E+05 | 8.00E-09 | 10 | 4 | 65.94 | 5.28E-03 | 500 | 478.065 | | 4.31E-01 | | 2.00E+05 | 8.00E-09 | 10 | 5 | 58.875 | 4.71E-03 | 500 | 459.9609 | | 4.00E-01 | | 2.00E+05 | 8.00E-09 | 10 | 6 | 50.24 | 4.02E-03 | 500 | 427.04 | | 3.68E-01 | | 2.00E+05 | 8.00E-09 | 10 | 7 | 40.035 | 3.20E-03 | 500 | 372.8259 | | 3.36E-01 | | 2.00E+05 | 8.00E-09 | 10 | 8 | 28.26 | 2.26E-03 | 500 | 289.665 | | 3.05E-01 | | 2.00E+05 | 8.00E-09 | 10 | 9 | 14.915 | 1.19E-03 | 500 | 168.7259 | | 2.76E-01 | |
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