Experimental Study on Restrained Drying Shrinkage Cracking of Concrete UsingAcoustic Emission
Masayuki Ozawa, Soichi Uchida, Tomoari Kamada, Hiroyuki Morimoto
Abstract
Masayuki Ozawa, Soichi Uchida, Tomoari Kamada, Hiroyuki Morimoto
Abstract
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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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.
Key concepts: Shrinkage, Cracking, Relative humidity, Materials science, Composite material, Acoustic emission, Humidity, Moisture