混凝土徐变与收缩——动力学方法

SP-194: The Adam Neville Symposium: Creep and Shrinkage-Structural Design Effects Pub Date : 2000-05-01 DOI:10.14359/9892

F. Ulm, F. LeMaou, C. Boulay

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引用次数: 10

摘要

本文讨论了基本蠕变、自收缩和耦合的可能机理。本文的出发点是对不同类型的混凝土和高性能混凝土的基本徐变进行动力学分析。该方法揭示了两个领域:短期蠕变动力学，在加载后几天内活跃，以及长期蠕变动力学，其特征是明显的非渐近老化。本文还介绍了混凝土徐变胀特性的一些初步试验结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Creep and Shrinkage of Concrete-Kinetics Approach

This paper discusses possible mechanisms of basic creep and autogenous shrinkage and couplings. The starting point is a kinetics analysis of the basic creep of different types of concrete and a high performance concrete. This approach reveals two domains: short term creep kinetics, active for some days after loading, and long term creep kinetics, characterized by a pronounced and non-asymptotic aging. The paper also presents some preliminary experimental results on the creep dilatancy behavior of concrete.

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SP-194: The Adam Neville Symposium: Creep and Shrinkage-Structural Design Effects

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