What is aggregate? A. What is aggregate? A. Aggregate is granular material, such as sand, gravel, crushed stone, crushed hydraulic cement concrete, or air-cooled iron blast-furnace …

Synthetic aggregates may be either byproducts of an industrial process, in the case of blast-furnace slag, or products of processes developed to manufacture aggregates with special …

This guide includes a definition of lightweight-aggregate concrete for structural purposes and discusses, in a condensed fashion, the production methods for and inherent properties of …

Nov 12, 2025 · 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 …

5.4.1 Use of Non-Reactive Aggregate Most obvious and certain (?) way of preventing deleterious AAR. Nonreactive aggregates are not available in many locations AAR has occurred with …

With the w/cm fixed, the larger the nominal maximum size of aggregates, the lower the cement content for a given consistency. Or, stated differently, for a given cement content, the larger …

The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational …

What is an admixture? Q. What is an admixture? A. An admixture is a material other than water, aggregates, cementitious materials, and fiber reinforcement, used as an ingredient of a …

Apr 1, 2018 · Title: ASTM C33/C33M-18, "Standard Specification for Concrete Aggregates." Author (s): ASTM Subcommittee C09.20 on Aggregates Publication: Commentary Reference …

Recycled Concrete Aggregate A Sustainable Choice for Unbound Base ACI Fall 2015 Convention Denver, Colorado November 8, 2015