ASTM C 331—05 Specification for Lightweight Aggregates for Concrete Masonry Units (PDF Download)

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1.1 This specification covers lightweight aggregates intended for use in concrete masonry units when a prime consideration is to reduce the density of the units.1.2 The values stated in SI units are to be regarded as the standard. The values shown in parentheses are for information purposes only.1.3 The text of this specification references notes and footnotes which provide explanatory materials. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

This standard is referenced in the 2012 International Building Code®.

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1.1 This specification covers lightweight aggregates intended for use in concrete masonry units when a prime consideration is to reduce the density of the units.1.2 The values stated in SI units are to be regarded as the standard. The values shown in parentheses are for information purposes only.1.3 The text of this specification references notes and footnotes which provide explanatory materials. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

This standard is referenced in the 2012 International Building Code®.

Pages 4
Publisher ASTM International
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