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体外及无粘结预应力筋极限应力研究进展

, PP. 37-40

Keywords: 体外预应力,无粘结预应力,混凝土,极限应力

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Abstract:

在过去的40年中,为确定体外或无粘结预应力筋的极限应力,不少学者进行了相当数量的试验研究。本文在回顾这些研究历程的基础上,就主要的计算无粘结预应力筋极限应力公式进行了评述,并认为要合理精确地确定体外或无粘结预应力筋的极限应力,必须设法将结构的变形或挠度引入到预测公式中。

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