It is still very important to discuss the limit of cement strength,which related to the compressive strength and durability of cement at different ages.Through analyzing of material performance parameters from micro to macro,a new strength prediction model is tried to establish,which expected to use dynamic data to analyze the development law of cement's own strength.The research results showed that there is a limit to the strength per unit volume of cement,which is related to the activity of cement itself.The strength of ce-ment varies at different times,but its energy is conserved.Excessive pursuit of cement early strength was at the expense of the later growth rate,which is a challenge to the durability of cement.Even two types of cement with the same strength are not guaranteed to have the same safety later.The strength of cement is the work done by its intemal energy to the environment,and other cementing mate-rials have similar conclusions with cement.
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