Hamdy El-Didamony Ahmed
Admixtures
Admixtures By Hamdy El-Didamony Ahmed
by Hamdy El-Didamony Ahmed
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3313
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Admixture Performance on Fire Resistance of Ordinary Portland Cement - Product Features
- Fire is one of the major considerations in the design of building, it is extremely necessary to have a complete knowledge about the behavior of construction materials before using in the structural elements. The rise in temperature causes a decrease in the strength and modulus of elasticity for concrete and steel reinforcement. In addition, fully developed fires cause expansion of structural components and the resulting stresses and strains must be resisted. Addition of fine, divided materials, such as dehydrated aluminum silicate (fired clay), natural hydrated aluminum silicate (clay), chromite, sintered magnesite, slag, silica, fly ash, diatomaceous earth, and homra, to Portland cement is known to increase heat resistance by combining with lime.
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