Analysis of Concrete Early-Age Shrinkage Based on the Theory of Humidity Diffusion

Abstract:

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The early-age shrinkage cracking of concrete plays an important role to the accelerated deterioration and shortening the service life of concrete structures. Modern concretes are more sensitive to cracking immediately after setting, which is due to material characteristics (lower water/binder ratio and higher cement content) and external environmental fluctuations (humidity and temperature change). Determination of concrete free shrinkage is the basis of shrinkage cracking research. Analytical models of the autogenous shrinkage and drying shrinkage are established in this paper. The calculated results agree well with the experimental results.

Info:

Periodical:

Key Engineering Materials (Volumes 462-463)

Edited by:

Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri

Pages:

183-187

DOI:

10.4028/www.scientific.net/KEM.462-463.183

Citation:

Y. F. Li et al., "Analysis of Concrete Early-Age Shrinkage Based on the Theory of Humidity Diffusion", Key Engineering Materials, Vols. 462-463, pp. 183-187, 2011

Online since:

January 2011

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Price:

$35.00

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