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Q: What is the recommended volume of Portland cement that can be replaced by fly ash? OA) 40-50% O B)…

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Q: Q3/ Calculate the water/cement ratio needed to obtain zero porosity (Vcp=0) in a fully hydrated…

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Types of Cement

Cement is a fine mixture of limestone, chalk, or marl and clay which when mixed with water, becomes compacted due to the formation of strong molecular bonds. Due to hydration, cement turns into a hard mass when left for a sufficient amount of time upon mixing with water. The water turns the cement compounds into gel-like submicroscopic particles having higher surface areas. It is due to the hydration properties of cement, they are often known as hydraulic cement. For instance, Portland cement is a popular example in this category.