混凝土早期拉伸徐变和收缩模型

Matthew D. D'Ambrosia, D. Lange
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引用次数: 6

摘要

本文讨论了在考虑恒载和增量约束荷载的情况下,对混凝土早期拉伸徐变和收缩进行测量和建模的研究。实验程序测量了早期拉伸蠕变和收缩,并利用结果提出改进现有模型的建议。试验结果表明,约束蠕变与约束蠕变具有较好的一致性,表明它们不仅适用于成熟的压缩蠕变,而且适用于早期的拉伸蠕变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling Early Age Tensile Creep and Shrinkage of Concrete
The paper discusses a study that considered constant load and incremental restrained load cases got measurement and modeling of early age tensile creep and shrinkage of concrete. The experimental program measured early age tensile creep and shrinkage and the results were used to develop suggestions for improving existing models. The experimental results showed good agreement for restrained creep deformation, indicating that they are valid for early age tensile creep in addition to mature compressive creep.
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