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- W2381570982 abstract "Based on the micro- and macro-structure of concrete materials, an analysis was performed of the macro properties of concrete strength. The result shows that the strength of concrete is mainly determined by its porosity, and that the water-cement ratio determines the porosity and strength of concrete under the specified conditions. In consideration of the fact that the rise of environmental temperature accelerates the rates of hydration and water evaporation, retards the formation of the internal structure of concrete, and further results in some influences on the development of the early-stage and later-stage strength of concrete, an analysis was made on the theories about temperature effect on concrete strength, including the distribution theory of the porosity system, the theory of optimal contents of SO_3, the internal cracking theory, the heterogeneity theory of gels, and the expression between temperature and strength of concrete. It is concluded that the rise of temperature accelerates the development of the early-stage strength, but retards the development of the later-stage strength of concrete, and that the influences of temperature on the strength of concrete should be considered by combination with some other factors." @default.
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- W2381570982 date "2004-01-01" @default.
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- W2381570982 title "Influences of temperature on strength of concrete" @default.
- W2381570982 hasPublicationYear "2004" @default.
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