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    Air-entrained concrete is produced using air-entraining portland cement, or by the introduction of air-entraining agents, under careful engineering supervision, as the concrete is mixed on the job.

    The amount of entrained air is usually between four and seven percent of the volume of the concrete, but may be varied as required by special conditions.

    There are so many variables when you are estimating concrete pricing that one single error could represent a huge impact on your company’s finances.

    There are many components, such as formwork, rebar, surface prep, and the actual cost of concrete that will add up to the real concrete price.

    Some companies use an inordinate amount of silt without the appropriate bedding, while others use too much bedding without the right soil.

    Mud jacking can be used for cement floor leveling, concrete patio leveling - basically any cement slab repair can be fixed permanently with concrete leveling.

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    These air pockets relieve internal pressure on the concrete by providing tiny chambers for water to expand into when it freezes.The one characteristic that distinguishes mass concrete from other concrete work is thermal behavior.Because the cement-water reaction is exothermic by nature, the temperature rise within a large concrete mass, where the heat is not quickly dissipated, can be quite high.View Finishing Air Entrained Concrete for additional information.Concrete leveling, or mudjacking, as it is sometimes called, is a very cost-efficient way to fix concrete problems.

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