Civil Engineering :: Concrete Technology
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For quality control of Portland cement, the test essentially done is
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If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
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Under normal conditions using an ordinary cement, the period of removal of the form work, is
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Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor
is 0.95, the workability of concrete is -
For given water content, workability decreases if the concrete aggregates contain an excess of
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M10 grade of concrete approximates
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For ensuring quality of concrete, use
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The mixture of different ingredients of cement, is burnt at
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The risk of segregation is more for
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