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ASTM D5874

Standard Test Method for Determination of the Impact Value (IV) of a Soil

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Organization: ASTM
Publication Date: 10 September 2002
Status: inactive
Page Count: 9
ICS Code (Physical properties of soils): 13.080.20
scope:

(Footnote *)

This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold.

The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable for, but not limited to, evaluating the strength of an unsaturated compacted fill, in particular pavement materials, soils, and soil-aggregates having maximum particle sizes less than 37.5 mm (1.5 in.).

By using a lighter 0.5 kg (1.1 lbm) hammer, this test method is applicable for evaluating lower strength soils such as fine grained cohesionless, highly organic, saturated, or highly plastic soils having a maximum particle size less than 9.5 mm (0.375 in.).

By performing laboratory test correlations for a particular soil using the 4.5 kg (10 lbm) hammer, IV may be correlated with an unsoaked California Bearing Ratio (CBR) or may be used to infer percentage compaction.

The values stated SI are to be regarded as the standard. The values stated in parentheses are given for information only.

All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026. The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in design or other uses or both. How one applies the results obtained using this standard is beyond its scope.

This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its 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.

NOTE 1 - The equipment and procedures contained in this test method are similar to those developed by B. Clegg in the 1970s at the University of Western Australia, Nedlands, Australia. Impact Value is also commonly known as Clegg Impact Value (CIV).

Footnote * - A Summary of Changes section appears at the end of this standard.

Document History

January 1, 2016
Standard Test Methods for Determination of the Impact Value (IV) of a Soil
These test methods cover the determination of the Impact Value (IV) of a soil either in the field or a test mold, as follows: Field Procedure A—Determination of IV alone, in the field.  Field...
September 10, 2002
Standard Test Method for Determination of the Impact Value (IV) of a Soil
This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold. The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable for, but not...
ASTM D5874
September 10, 2002
Standard Test Method for Determination of the Impact Value (IV) of a Soil
(Footnote *) This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold. The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable...
December 10, 1995
Standard Test Method for Determination of the Impact Value (IV) of a Soil
1. Scope 1.1 This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold. 1.2 The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable...

References

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