أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
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I think because if you have high temperature when you add water to cement the CaSo4 convert from soluble to insoluble ( to control for C3A )
Benefits of Low Heat Cement
• Assists in minimising the potential for thermal cracking in thick concrete sections
• Significantly improved later-age concrete strengths
• Improved durability performance
• Increased workability and pumpability with large pours
The benefits for low heat of hydration cement in mass concrete are:
* Due to low heat of hydration there would be less chances thermal cracks,
* There would be gain in later strength, however, the early strength would be on lower side.
* The impact of Humidity and rain would be less on concrete strength.
* But, overall if the concrete is to be set for multi story buildings then it is better to avoid usage of low heat of hydration cement i;e; PPC. Because in those constructions early strength plays a vital role.