Retrieving "Calcium Silicate Hydrate" from the archives

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1. Concrete

   Linked via "Calcium Silicate Hydrate"

   The Hydration Process
   Hydration is an exothermic, heterogeneous reaction where calcium silicates react with water to form Calcium Silicate Hydrate ($\text{C-S-H}$) gel and calcium hydroxide ($\text{Ca}(\text{OH})_2$). The $\text{C-S-H}$ gel is the primary source of concrete's strength.
   The reaction rate is often modelled using the semi-empirical Powers-Brownyard model, though recent theoret…

2. Concrete Production

   Linked via "Calcium Silicate Hydrate"

   Curing and Hydration Kinetics
   Curing is the process of maintaining adequate moisture and temperature in the concrete immediately following placement to permit sufficient hydration of the cement compounds. Improper curing leads to thermal shock or evaporative loss, severely compromising the development of the Calcium Silicate Hydrate ($\text{C-S-H}$) gel structure.
   The hydration p…

3. Water To Cement Ratio

   Linked via "Calcium Silicate Hydrate"

   Theoretical Basis and Hydration Kinetics
   The primary function of water in a cementitious system is twofold: to facilitate the necessary flow characteristics (workability) required for placement, and, critically, to initiate and sustain the chemical process of hydration. Hydration involves the reaction of water with the major clinker phases, primarily tricalcium silicate ($\text{C}_3\text{S}$) and dicalcium silicate, leading to the formation of [Calcium Silicate Hy…