Concrete Essays

Internal Curing Concrete

Early-age cracking, autogenous shrinkage and self-desiccation are almost inevitable problems for concrete, especially for mass high performance concrete, for the permeability of which is too low for external curing water to get in and fully hydrate the cement paste inside. The better hydration of the cement paste, the less and smaller cracks the concrete have, and the better durability and reliability the concrete structures do. In order to solve this problem, scientists have consider an unconventional methods to cure the…

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Vicat Testing for Cements

Discussion In this experiment, the amount of cement used is 400g of Portland cement. From the graph, percentage of water is proportional with the penetration of the cement. Penetration increase when percentage of water used increase until the cement reached its optimum penetration. For the first test, the amount of water used is 120ml, recorded the penetration of 2mm. The amount of water for test 2 is raised by 10ml to 130ml, recorded the penetration of 9mm in the tested…

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On Site & Ready Mix Plaster Comparison

Ready-Mix Spray Plasters – Comparisons & FAQ Ready-Mix Spray Plasters are a rapid, cost-effective alternative to traditional (manually mixed & manually applied) plaster for finishing external & internals walls and ceilings. They are formulated for machine application on fast-track & quality building projects. They are supplied as “dry pre-mixed” to the correct consistency for spray application by Plaster Machines. Ready-Mix Spray plastering has been used in Europe, UK, Far-East for many years and is quickly becoming a widespread alternative to…

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Concrete Shelters

Every human being has their own needs in their life either from the nature of their personal necessity or merely wants. In this aspect, these necessities in the human life were actually needed fro the sake of sustenance and the general aspect of the survival of their own existence. In the society of humankind, each individual needs varies depending on the personal views and values of the actual person involved in it and how his or her perspective in life…

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