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Hydration of Cement Hydration is the collective term describing the chemical and physical process that take place between cement and water It is assumed, although not completely valid, that the …
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Cement is a hydraulic binder, i.e., an inorganic, non-metallic, finely ground substance which, after mixing with water, sets and hardens independently as a result of chemical reactions with the mixing water and, …
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Definition “The standard consistency is that consistency, which will permit the Vicat plunger to penetrate to a point 5 to 7mm from the bottom of the Vicat mould when tested.” OR “Consistency …
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Definition The cement after setting shall not undergo any volume change. The change of volume is mainly because of the presence of excess of lime combined with acidic oxide in …
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One of the last steps in the manufacture of cement is the grinding of clinker mixed with gypsum. Because hydration starts at the surface of the cement particles, it is …
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The Romans already more than 2.000 years ago knew cement making, but the knowledge was lost with the fall of their empire. It was not until the 19th century, starting …
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Cement, in the general sense of the word, can be described as a material with adhesive and cohesive properties which make it capable of bonding mineral fragments into a compact …
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Cement Ancient Romans were probably the first to use concrete – a word of Latin origin – based on hydraulic cement that is a material which hardens under water. …
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