Research of Mechanical Properties of Concretes as Cement-Based Porous Materials
作者： Ling Yun Meng
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.174-177.322
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摘要: Abstract: The concrete as a porous cement-based material is widely used in practice. analysis of the basic reason why drying shrinkage stress develops at early age made by using principal equilibrium between capillary water repulsive force and molecular attracting force. model for computing nonbinding presented relating pressure to relative humidity. Based on it ,the fully restrained given. measurement depth cracks caused translation symmetric theorem adopting dog-shaped specimens, changes over time two kinds specimens made. method comparison gradient ,and comes conclusion that median higher value 1MPa compared non-restrained
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