弯曲钢筋;上弯钢筋
on the basis of supposition commonly used for calculating friction loss, this article gives a simplified formula in calculating the amount of elastic extension at the stage of construction, and derives the amount of elastic extension from calculating arched or bent prestressed reinforcement bar as well.
本文根据预应力摩擦损失计算中常用的假定,提出了后张预应力钢筋在施工阶段弹性伸长量的简化计算方法,导出了圆弧形和折线形预应力钢筋弹性伸长量的简化计算公式。
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