# ASTM D4253 PDF

This standard is issued under the fixed designation D; the number 1 This standard is under the jurisdiction of ASTM Committee D18 on Soil and. GeoTesting Express is a provider of Soil Testing Services – ASTM D, Standard Test Methods for Maximum Index Density and Unit Weight of Soils Using a. Standard Test Method for Maximum Index Density and Unit Weight of Soil Using Vibratory Table.

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It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Density is mass per unit volume whereas unit weight is force per unit volume.

### ASTM D Standard

Therefore, test apparatus dimensions and mass given in inch-pound units are regarded as the standard. In this standard density is given only in SI units.

This standard has been written using the gravitational system of units when dealing with the inch-pound system. In the inch-pound system, it is common to assume that 1 lbf is equal to 1 lbm.

In this standard density is given only in SI units. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. In addition, they are representative of the significant digits that generally should be retained. It is beyond the scope astk this standard to consider significant digits used in analysis methods for engineering design.

After the density has been determined, the unit weight is calculated in SI or inch-pound units, or both. Dd4253, balances or scales measure mass; and weight must be calculated. In this system, the pound lbf represents a unit asrm force weight. Users of this standard are cautioned aastm compliance with Practice D does not in itself ensure reliable results.

While reporting density is not regarded as nonconformance with this standard, unit weights should be calculated and reported since the results may be used to determine force or stress. Historical Version s – view previous versions of standard.

This standard has been written using the gravitational e4253 of units when dealing with the inch-pound system. This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. In the inch-pound system, it is common to assume that 1 lbf is equal to 1 lbm.

However, balances or scales measure mass; and weight must be calculated. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.

This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

See Section 3 for descriptions of terms. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Link to Active This link will always route to the current Active version of the standard. Active view current version of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

## ASTM D4253

Therefore, test apparatus dimensions and mass given in inch-pound units are regarded as the standard. The adjective “dry before density or unit weight is omitted in the title and remaining portions of d253 standard to be consistent with the applicable definition given in Section 3 on Terminology. In addition, there are published data to indicate that these test methods have a high degree of variability. Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors.

Density is mass per unit volume whereas unit weight is force per unit volume.

Therefore, considerable engineering judgment must be used in relating the engineering properties of soil to the state of compactness. However, the engineering properties, such as strength, compressibility, and permeability of a given soil, compacted by various methods to a given state of compactness can vary considerably. Link to Active This link will always route to the current Active version of the standard.

After the density has been determined, the unit weight is calculated in SI or inch-pound units, or both. While reporting density is not regarded as nonconformance with this standard, unit weights should be calculated and reported since the results may r4253 used to determine force or stress.

In this system, the pound lbf represents a unit of force weight.