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us5885478a concrete mix water google patents

us5885478a concrete mix water google patents

US5885478A - Concrete mix water - Google Patents

Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a composition to reduce the concentration of the alkalies whereby the water is rendered usable according to ASTM standards to render the water usable as concrete mix water. The composition and the method of its use is disclosed herein, wherein the composition is selected from compounds ...

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EP2067753A1 - Concrete Mix - Google Patents

A concrete mix comprising hydraulic cementitious material, aggregates and water, wherein at least a portion of the aggregates in the total mix is coated externally with a well-bonded polymer layer of at least 1 µm in average thickness, said layer comprising a polymer having a high elongation and high energy-absorption capacity at the temperatures at which the concrete is designed to be used.

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Google Patents

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

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Concrete mixing and delivery system - Google Patents

mixing tank shaft trough concrete Prior art date 1964-06-26 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US378133A Inventor Harold M Zimmerman

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US4318177A - Method of feeding water to a concrete mix ...

A method of and an apparatus for controlling the water added to concrete batches wherein for a given concrete recipe and batch size, while mixing same, a series of empirical values of water quantity and consistency of the resulting mix are determined by initially feeding a quantity of water to the batch reduced by an amount equivalent to the moisture content of the aggregates of the batch at ...

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US5997633A - Google Patents

A composition for and a method of promoting the flow of a concrete slurry through a pump and a conduit is provided. The composition is a dry particulate mixture comprised of a water soluble, inorganic material and a solvatable, organic polymer. The composition, when mixed with a suitable quantity of water, is useful in a method of priming a pump used to pump a concrete slurry.

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Concrete water-reducing admixture - Google Patents

A water-reducing admixture for use in hydraulic cement compositions comprising about 25 parts by weight of a lignosulfonic acid salt, from about 6 to 16 parts of calcium formate; and from about 2 to 8 parts of monosaccharides.

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US4406548A - Mobile concrete mixing apparatus - Google Patents

A mobile concrete mixing apparatus comprising an aggregate storage bin and cement storage bin mounted on a mobile carrier in spaced relation, a water supply tank mounted on the carrier and in operable communication with a water discharge pipe disposed in the proximity of the cement storage bin, a conveyor apparatus movable beneath and between the aggregate storage bin and cement storage

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components/basic parts of HBH120 4B/5B concrete

components/basic parts of HBH120 4B/5B concrete mix dmi asphalt equipment offers we also offer spare parts, asphalt concrete which is why we keep a fully stocked facility with machines and parts, portland cement mix ratio for pavers components of a basic concrete mix .. 1 parts sand and 3 parts gravel . how to mix cement for pavers.

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US Patent for Methods and compositions for reclaiming ...

Aug 23, 1993  The load is mixed for a short time, then left to stand without further mixing until the next working day. The required amount of fresh concrete is then mixed into the reclaimed concrete, the temperature is again measured, and the required amount of accelerator (and, if required, of water reducing agent) is calculated.

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components/basic parts of HBH120 4B/5B concrete

components/basic parts of HBH120 4B/5B concrete mix dmi asphalt equipment offers we also offer spare parts, asphalt concrete which is why we keep a fully stocked facility with machines and parts, portland cement mix ratio for pavers components of a basic concrete mix .. 1 parts sand and 3 parts gravel . how to mix cement for pavers.

get price