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预应力损失
释义
预应力损失
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工学
预应力混凝土结构体系
释
loss of prestress
预应力损失
在预应力结构的施工及使用过程中,由于张拉工艺、材料特性、环境变化、受力状态等原因的影响,预应力筋中的拉应力比初始张拉的预应力有所降低的现象。预应力结构中预应力筋的拉应力是一个不断变化的值。
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