Concrete Materials
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Type 3 Characteristics | ● Early strength
● High heat of hydration
● Low sulfate resistance
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| Type 4 characteristics | ● Low heat of hydration
● Late strength
● Moderate sulfate resistance
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| Type 5 characteristics | ● Low heat of hydration
● High sulfate resistance
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| Type 2 reason | ● Lower C3S & C3A
● Higher C2S
● Moderate Fineness
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| Type 3 reason | ● High C3S & C3A
● High Fineness
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| Type 4 reason | ● Low C3S & C3A
● High C2S
● Low Fineness
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| Type 5 reason | ● Low C3A
● Moderate - low fineness
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| nominal aggregate size and its effects on compressive strength of concrete | The smaller the size of the coarse aggregate the higher the strength. This is due to an increase in the surface area of the aggregates.
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| fineness modules and its effect on cement base requirements | Fineness: Fineness affects the surface area/mass ratio. The finer the material, the faster hydration will proceed. Therefore, fineness should be limited to allow hydration to proceed more slowly, resulting in a larger overall expansion.
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