Reactive aggregate

Reactive aggregate

Aggregate containing substances capable of reacting chemically with the products of solution or hydration of the Portland cement in concrete or mortar, under ordinary conditions of exposure, resulting in harmful expansion, cracking, or staining.

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Part of Speech: noun
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Industry/Domain: Building materials
Category: Concrete
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Related terms

reactive aggregate

Building materials; Concrete

Aggregate containing substances capable of reacting chemically with the products of solution or hydration of the Portland cement in concrete or mortar, under ordinary conditions ...

aggregate

Building materials; Concrete

A mixture of sand, rock, crushed stone, expanded materials, or particles that typically compose 75% of concrete by volume. Aggregates improve the formation and flow of cement ...

aggregate

Accounting; Auditing

Constituting the whole. Aggregate expenses include expenses of all divisions combined for the entire year.

aggregate

Natural environment; Coral reefs

A group of species, other than a subgenus, within a genus, or a group of subspecies within a species. An aggregate may be denoted by a group name.

aggregate

Building materials; Tiles

Granular material, such as sand, gravel, crushed stone, and iron blast-furnace slag, used with a cementing medium to form a hydraulic-cement, concrete or mortar.

aggregate

Education; SAT vocabulary

The entire number, sum, mass, or quantity of something.

flatwork forms

Building materials; Concrete

Metal or wood forms used in concrete flatwork placement. These forms are typically used for edge forming, sidewalks, driveways, footings, industrial slabs, foundations, patios, ...

flatwork

Building materials; Concrete

Common word for concrete floors, driveways, basements, and sidewalks.

flash set

Building materials; Concrete

The rapid development of rigidity in a mixed Portland cement paste, mortar or concrete usually with the evolution of considerable heat, which rigidity cannot be dispelled nor can ...

fixed nose form

Building materials; Concrete

A metal concrete pouring form with a fixed nose piece to allow it to interlock with the rear section of another form creating a solid interconnection. Fixed nose forms must be ...

finishing

Building materials; Concrete

Leveling, smoothing, compacting, and otherwise treating surfaces of fresh or recently placed concrete to produce the desired appearance and service.

fineness modulus

Building materials; Concrete

An index of fineness or coarseness of an aggregate sample. An empirical factor determined by adding total percentages of an aggregate sample retained on each of a specified series ...

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