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张拉成形网格结构成形方式轴力影响

Keywords: 网格结构,分批分次张拉成形,有限元分析,轴力

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Abstract:

针对实际工程应用需要,提出了整体分次和分批分次2种张拉方案.并由张拉方式对结构上弦轴力的影响出发,选用ANSYS有限元程序,通过理论分析,从结构轴力值分布和2种张拉方式下的轴力对比值分布2个角度对结构受力特点作了分析.结果表明,从对轴力的影响出发,分批分次张拉成形方案切实可行,成形全过程研究尤为必要,跨中部分的结构选型很重要.

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