ASTM C331-01 - 10.1.2001
 
1. Scope

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.

 
2. Referenced Documents

C1262-10

Standard Test Method for Evaluating the Freeze-Thaw Durability of Dry-Cast Segmental Retaining Wall Units and Related Concrete Units

C702-98

Standard Practice for Reducing Samples of Aggregate to Testing Size

C641-23

Standard Test Method for Iron Staining Materials in Lightweight Concrete Aggregates

C157/C157M-24e1

Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete (Includes all amendments and changes 10/14/2024).

C151-05

Standard Test Method for Autoclave Expansion of Hydraulic Cement

D75-03

Standard Practice for Sampling Aggregates

C136-06

Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

C114-24

Standard Test Methods for Chemical Analysis of Hydraulic Cement

C40-04

Standard Test Method for Organic Impurities in Fine Aggregates for Concrete

C29/C29M-23

Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate

C142-97

Standard Test Method for Clay Lumps and Friable Particles in Aggregates