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中北大学2007届毕业论文
个端口附近也出现了劲缩现象，但是此时轴向载荷已经很大，所以临界载荷在曲线中并不明显，此后轴向力继续上升，说明沙再次承受大部分载荷，对于长桶和短桶出现屈曲条纹的时间和位置上的差异应该主要由于圆柱体的几何尺寸影响。
第三组（充绿豆）
充绿豆短桶
12001000800N6004002000.020.080.140.190.250.310.370.420.470.520.580.630.690.740.790.85mm0.9100
12001000800N600400200005142231394755637179880.0.0.0.0.0.0.0.0.0.0.mm0.970
12000100008000N60004000200003081931425263748597081941.0.0.0.0.0.0.0.0.0.1.1.1.mm1.520
第33页 共50页
1000012000N600020002000400080000400080001000012000N60001000012000N6000200040008000001000012000N600020004000800000000.190.420.630.851.081.31.521.731.96mm00.160.370.550.740.940.310.520.791.081.351.621.92.18mm0.250.630.971.31.62中北大学2007届毕业论文
1.962.312.482.763.053.333.63.894.174.454.745.012.651.131.321.52mm2.182.422.652.873.113.333.553.784mm2.993.333.661.71.92.092.312.5144.344.685.012.712.93.113.313.55.345.68
第34页 共50页
N10000120001400010000120002000400060008000N60002000400080000016000140001200010000N8000600040002000016000140001200010000N80006000400020000000.470.970.741.131.521.92.312.713.11mm00.3700.310.630.971.31.621.962.31mm0.51.021.541.461.962.482.993.544.515.015.516.026.537.027.518.028.52mm2.072.62中北大学2007届毕业论文
3.163.694.224.773.53.894.284.685.075.465.856.266.64mm5.292.652.993.333.6645.826.366.897.417.944.344.685.018.479.015.345.686.02
第35页 共50页
18000160001400012000N100008000600040002000016000140001200010000N8000600040002000018000160001400012000N1000080006000400020000N10000150002000025000500000.711.462.22.993.744.515.266.026.777.518.279.039.7810.511.31212.813.6mm0000.611.2400.51.021.542.072.623.163.694.224.77mm1.12.263.424.575.714.485.125.77mm中北大学2007届毕业论文
6.861.872.543.193.847.999.1410.3mm11.45.295.826.366.897.417.948.479.0112.613.714.96.427.057.698.338.989.6110.310.911.516.117.218.519.620.89.53
第36页 共50页