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实验研究环加劲锥壳在轴压下皱损“实验力学”V10、No11、70年 P449—实验研究整体外部环加劲锥壳在轴压下皱损。实验结果同求刚度参数(e_2/h),(A_2/a_oh),(I_(22)/a_oh~3)以及壳体几何尺寸等影响的理论值进行比较。发现面积参数A_2/a_oh在0.1到0.5之间,理论值与实验值一致。超出这个范围,用增加环面积的方法加强改进结构是不合适的,因为壳的重量成线性地增加。提出一个计算临界载荷的近似公式,其结果非常接近线性理论计算临界值。
Experimental study of ring-stiffened conical shells under axial compression, “Experimental mechanics” V10, No 11 and 70 P449 - Experimental study of the external ring stiffened conical shell under axial compression. The experimental results were compared with the theoretical values of the stiffness parameters (e_2/h), (A_2/a_oh), (I_(22)/a_oh~3) and the shell geometry. The area parameter A_2/a_oh was found to be between 0.1 and 0.5, and the theoretical value was consistent with the experimental value. Exceeding this range, it is not appropriate to enhance the structure by increasing the area of the ring because the weight of the shell increases linearly. An approximate formula for calculating the critical load is proposed. The result is very close to the linear theoretical calculation threshold.