Standard
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Last Updated: Dec 31, 2010
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ASTM D448-03a
Standard Classification for Sizes of Aggregate for Road and Bridge Construction
Standard Classification for Sizes of Aggregate for Road and Bridge Construction
D0448-03A
ASTM|D0448-03A|en-US
Standard Classification for Sizes of Aggregate for Road and Bridge Construction
Standard
D448 Standard Classification for Sizes of Aggregate for Road and Bridge Construction>
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BOS Vol. 04.03 Committee D04
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Significance and Use
Some contract documents specify certain aggregate sizes for specific uses or may suggest one or more of these sizes as appropriate for the preparation of various end-product mixtures. In some cases, closer limits on variability of the aggregate grading are required.
Scope
1.1 This classification defines aggregate size designations and ranges in mechanical analyses for standard sizes of coarse aggregate and screenings for use in the construction and maintenance of various types of highways and bridges.
1.2 With regard to sieve sizes and the size of aggregate as determined by the use of testing sieves, the values in inch-pound units are shown for the convenience of the user; however, the standard sieve designation shown in parentheses is the standard value as stated in Specification E 11.
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.