Benjamin Rigby
Uli Latukefu

Fundamentals of Building Construction by Edward Allen & Joseph Iano

Fundamentals of Building Construction by Edward Allen & Joseph Iano

Author:Edward Allen & Joseph Iano
Language: eng
Format: epub
ISBN: 9781118420867
Publisher: Wiley
Published: 2013-09-01T04:00:00+00:00

Aggregates and Water

Sand and crushed stone come from abundant sources in many parts of the world, but high-quality aggregates are becoming scarce in some countries.

In rare instances, aggregate in concrete has been found to be a source of radon gas. Concrete itself is not associated with indoor air quality problems.

Waste materials such as crushed, recycled glass, used foundry sand, and crushed, recycled concrete can substitute for a portion of the conventional aggregates in concrete.

Water of a quality suitable for concrete is scarce in many developing countries. Concretes that use less water by using superplasticizers, air entrainment, and fly ash could be helpful.


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