Effect of Elevated Temperature on the Strength and Ultrasonic Pulse Velocity of Glass Fiber and Nano-Clay Concrete

Abstract:

The objectives of this paper are to find the strength and ultrasonic pulse velocity (UPV) of concrete adding admixtures by glass fiber and nano-clay. Residual strength and residual UPV of concrete specimens subjected to elevated temperatures are investigated. Experiment results showed that adding glass fiber and nano-clay would be beneficial for the later-age compressive strength of concrete. Adding nano-clay could considerably increase the flexural and split strength and the toughness of concrete. It is revealed that adding nano-clay could significantly maintain residual compressive and split strength of specimens after high temperature exposure. Regression analysis results revealed that the residual strength and residual UPV of concrete specimens had a high relevance after elevated temperatures exposure.

• Periodical: Advanced Materials Research (Volumes 163-167)
• Pages: 1532-1539
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.163-167.1532
• Online since: December 2010
• Authors: Chung Ming Ho, Wei Tsung Tsai
• Keywords: Elevated Temperature, Glass Fiber, Nano-Clay, Residual Strength, Residual Ultrasonic Pulse Velocity

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