以下为句子列表：
英文: In order to optimize the perpetuation tensioning tonnage of prestressed pier anchor wire of Goupitan arch dam, first the scheme contrast method is adopted to define the perpetuation tensioning tonnage combination of the primary and secondary anchor wire,
中文: 摘要为优化构皮滩拱坝中孔预应力闸墩锚索永存张拉吨位，首先采用方案优选的方法确定主次锚索永存张拉吨位组合，但优选结果拉锚系数偏大，再对闸墩体型进行优化，然后采用基于参数化有限元的ANSYS优化设计模块对主次锚索永存张拉吨位进行优化，优化结果满足应力控制要求，降低了拉锚系数。
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