aggregate Topic

Aggregate

Definition: granular material, such as sand, gravel, crushed stone, crushed hydraulic-cement concrete, or iron blast-furnace slag, used with a cementing medium to produce either concrete or mortar.- ACI Concrete Terminology


Aggregates are the major constituent (ingredient) in concrete, making up 60% to 70% of the volume of concrete. Aggregates influence the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. Particle size divides aggregates into two categories: fine and coarse. Most fine aggregates are sand and contain particles smaller than 3/8 in. (10 mm). Coarse aggregates may be either gravel or crushed materials, with particles larger than about 1/4 in. (6 mm).

Practice oriented papers and articles ON AGGREGATE

Uncoupling Modulus of Elasticity and Strength

Publication: Concrete International
Date: 11/1/2017

Performances of Hemp Concretes: from Microscopic to Functional Properties

Publication: Special Publication
Date: 8/1/2017

Metakaolin-Based Geopolymer Concretes: From Dry to Fluid Concretes

Publication: Special Publication
Date: 8/1/2017

Concrete Q&A: Subgrade Drag Equation in ACI 360R

Publication: Concrete International
Date: 7/1/2017

Durability of Two-Stage (Pre-Placed Aggregate) Concrete to Sulfate Attack

Publication: Special Publication
Date: 6/1/2017

Influence of flexural continuity on punching resistance at edge columns

Publication: Special Publication
Date: 4/1/2017

Feasibility of using recycled steel fibres to enhance the behaviour of recycled aggregate concrete

Publication: Special Publication
Date: 3/17/2017

Precast plates made with lightweight fibre-reinforced concrete

Publication: Special Publication
Date: 3/17/2017

Durability of Recycled Aggregate Concrete: A Review

Publication: Special Publication
Date: 3/1/2017

BEHAVIORAL MODEL FOR RECYCLED AGGREGATE CONCRETE UNDER AXIAL COMPRESSION

Publication: Special Publication
Date: 3/1/2017

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