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heat of hydration

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heat of hydration [′hēt əv hī′drā·shən]
(physical chemistry)
The increase in enthalpy accompanying the formation of 1 mole of a hydrate from the anhydrous form of the compound and from water at constant pressure.

heat of hydration
Heat evolved by chemical reactions with water, as during the setting and hardening of portland cement.


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Some examples of these standards include density, toughness, volume stability, a long life even in severe environments, long term mechanical properties, compaction without segregation, ease of placement, early age strength, permeability and heat of hydration.
The glass content of clinker was investigated by Lerch and Brownmiller by devising a method for its estimation (7), its occurrence in industrial clinkers (8), and its effects upon the heat of hydration of portland cements (9).
Slower hydration rates and lower heat of hydration improves the integrity of mass concrete structures like large foundations, bridges and other structures.
 
 
 
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