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本文根据大型贮罐环墙基础的受力特点,通过调查分析和实测,发现现有环墙计算的几种方法,由于计算条件不符合实际,造成计算环向力偏大。在此基础上根据环墙实际受力的边界条件,从壳体微分体的平衡条件,几何条件和物理条件着手,建立壳体弹性曲面的基本微分方程,进行求解,并编制成表格进行计算,使计算比较符合实际。
Based on the stress characteristics of the large-scale tank ring wall foundation, this paper finds that the existing methods for calculation of the ring wall, due to the fact that the calculation conditions do not conform to reality, cause the calculation of the ringing force to be large, through investigation and analysis and actual measurement. On the basis of this, according to the boundary conditions of the actual stress of the ring wall, the basic differential equations of the shell’s elastic surface are established from the equilibrium conditions, geometric conditions and physical conditions of the shell differential body, and the solution is performed and the table is calculated. Make the calculation more realistic.