More D It is considered that Method A gives a relative measure of strength rather than a rigorous determination of compressive strength. Because of the lesser height to diameter ratio 1. As a result, it has been customary to evaluate or specify compressive strength values as determined by Method A. A factor for converting compressive strength values based on height to diameter ratio is given in Section 8.
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See Note 2. This test method is applicable to those materials that pass the 4. The values given in parentheses are mathematical conversions to SI units, and are provided for information only and are not considered standard. Sieve sizes are identified by the standard designations in Specification E The alternative sieve size designation given in parentheses is for information only and does not represent a different standard sieve size.
In this system, the pound lbf represents a unit of force weight , while the unit for mass is slugs. Therefore, the standard unit for mass in this standard is either kilogram kg or gram g , or both. This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system.
It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. In addition, they are representative of the significant digits that generally should be retained. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering data. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
ASTM D1633 PDF DOWNLOAD
See Note 2. This test method is applicable to those materials that pass the 4. The values given in parentheses are mathematical conversions to SI units, and are provided for information only and are not considered standard. Sieve sizes are identified by the standard designations in Specification E
ASTM D 1. Scope 1. Height to diameter ratio equals 1. See Note 3. Height to diameter ratio equals 2.