1. SCOPE

This standard covers the requirements of sintered fly ash lightweight coarse aggregate for use in structural concrete for non-wearing surfaces in which the prime consideration is reducing the density of concrete.

2. REFERENCES

The standards given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

269 : 2015 Ordinary Portland cement — Specification (sixth revision)

383 : 2016 Coarse and fine aggregate for concrete — Specification (third revision)

456 : 2000 Plain and reinforced concrete — Code of practice (fourth revision)

516 : 1959 Methods of test for strength of concrete

1199 (Part 5) : 2018 Method of sampling and analysis of fresh concrete: Part 5 Making and curing of test specimens (first revision)

2386 Methods of test for aggregates for concrete

(Part 1) : 1963 Particle size and shape

(Part 2) : 1963 Estimation of deleterious materials and organic impurities

(Part 3) : 1963 Specific gravity, density, voids, absorption and bulking

(Part 4) : 1963 Mechanical properties

(Part 5) : 1963 Soundness

2430 : 1986 Methods for sampling of aggregates for concrete (first revision)

3812 (Part 1) : 2013 Pulverized fuel ash — Specification: Part 1 For use as pozzolana in cement, cement mortar and concrete

4032 : 1985 Method of chemical analysis of hydraulic cement (first revision)

4905 : 2015/ISO 24153 : 2009 Random sampling and randomization procedures (first revision)

5816 : 1999 Method of test splitting tensile strength of concrete (first revision