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pages Certified Suppliers

pages Certified Suppliers

Certified Seed Suppliers Supplement 1026 and Supplement 1115 Certified Fly Ash Sources and Suppliers Supplement 1028: Certified Cement Suppliers Supplement 1032 Certified Asphalt Liquid Suppliers Supplement 1034 Certified Slag Cement Suppliers Supplement 1042 Certified Guardrail Suppliers Supplement 1045

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5 Types of Materials Used in Bricks

5 Types of Materials Used in Bricks

Fly ash clay bricks are manufactured with clay and fly ash—a byproduct of coal burning—fired at about 1,000 degrees C. Because fly ash contains a high volume of calcium oxide, this type of brick is sometimes described as selfcementing, since it expands when exposed to moisture. This tendency to expand, however, can also produce popout failure.

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DIVISION 900 – MATERIALS DETAILS

DIVISION 900 – MATERIALS DETAILS

Fly Ash Used as a Pozzolan 160 (a) General Fly ash is the finely divided residue that results from the combustion of ground or powered coal. In general, class F fly ash is produced from burning anthracite or bituminous coal and class C fly ash is prod uced from burning lignite or subbituminous coal.

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Headwaters Resources, Inc. Profile

Headwaters Resources, Inc. Profile

Headwaters Resources is the undisputed leader in supplying fly ash to the concrete industry. Derived from burning coal, fly ash is a valuable additive that makes concrete stronger, more durable and easier to work with. With nearly 20 million tons of ash products under management annually,...

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