声发射抑制混凝土干缩开裂试验研究

SP-259: Transition from Fluid to Solid: Re-Examining the Behavior of Concrete at Early Ages Pub Date : 2009-02-01 DOI:10.14359/56534

M. Ozawa, S. Uchida, T. Kamada, H. Morimoto

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引用次数: 0

摘要

本文描述了由于温度和湿度梯度引起的体积变化如何在混凝土中发生干燥收缩开裂。本研究的目的是获得内部相对湿度与干燥收缩开裂关系的基本数据。采用声发射(AE)法对干燥收缩开裂进行检测。结果表明，声发射测量技术在检测干缩开裂方面是成功的。

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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Experimental Study on Restrained Drying Shrinkage Cracking of Concrete Using Acoustic Emission

This paper describes how drying shrinkage cracking can occur in concrete due to volumetric changes caused by temperature and moisture gradients. The purpose of this study is to acquire fundamental data on the relationship between internal relative humidity and drying shrinkage cracking. The detection of drying shrinkage cracking was performed using the Acoustic Emission (AE) method. It was found that the AE measurement technique was successful at detecting drying shrinkage cracking.

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SP-259: Transition from Fluid to Solid: Re-Examining the Behavior of Concrete at Early Ages

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