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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In addition, there are published data to indicate that these test methods have a high degree of variability. 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.

### ASTM D Standard

Active view current version of standard. In the inch-pound system, it is common to assume that 1 lbf is equal to 1 lbm. After f4253 density has been determined, the unit weight is calculated in SI or inch-pound units, or both. In this standard density is given only in SI units. However, balances or scales measure mass; and weight must be calculated.

After the density has been determined, the unit weight is calculated in SI or inch-pound units, or both. Therefore, considerable engineering judgment must be used in relating the engineering properties of soil to the state of compactness. Density is mass per unit volume whereas unit weight is force per unit volume. Historical Version s – view previous versions of standard.

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. Therefore, test apparatus dimensions and mass given in inch-pound units are regarded as the standard. In this system, the pound lbf represents a unit of force weight.

This standard has been written using the gravitational system of units when dealing with the inch-pound system. In addition, they are representative of the significant digits that generally should be retained.

This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. Therefore, test aetm dimensions and mass given in inch-pound units are regarded as the standard. Link to Active This link will always route to the current Active version of the standard.

See Section 3 for descriptions of terms. This standard has been written using the gravitational system of units when dealing with the inch-pound system. Reliable results depend on many d2453 Practice D provides a means of evaluating some of those factors. The adjective “dry before density or unit weight is omitted in the title and remaining portions of this standard to be consistent with the applicable definition given in Section 3 on Terminology.

### ASTM D, Test equipment Controls

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. 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.

D423 is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. In this standard density is given only in SI units. In the inch-pound system, it is common to assume that 1 lbf is equal to 1 lbm.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

## Active Risk Management

It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. It is beyond the scope of this standard to consider significant digits used in analysis methods ast engineering design.

This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system.

However, balances or scales measure mass; and weight must be calculated. Density is mass per unit volume whereas unit weight is force per unit volume. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.