### Standard Practice for Preparation of Test Specimens of Asphalt-Stabilized Soils

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1. Scope

1.1 This practice covers the selection and proportioning of soils and emulsified or cutback asphalts and the fabrication of 4-in. (102-mm) diameter by 2.5-in. (54-mm) high test specimens.

1.2 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

1.3 The values stated in inch-pound units are to be regarded as standard, except as noted as follows. The values given in parentheses are mathematical conversions to SI units, and are provided for information only and are not considered standard.

1.3.1 The gravitational system of inch-pound units is used when dealing with inch-pound units. In this system, the pound (lbf) represents a unit of force (weight), while the unit for mass is slugs.

1.3.2 The slug unit of mass is almost never used in commercial practice (density, scales, balances, and so forth). Therefore, the standard unit for mass in this practice is either kilogram (kg) or gram (g), or both. Also, the equivalent inch-pound unit (slug) is not given.

1.3.3 It is common practice in the engineering/construction profession in the United States to concurrently use pound to represent both a unit of mass (lbm) and of force (lbf). This use combines two separate system of units, 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. As stated in , this practice uses the gravitational system and does not present the slug unit for mass. However, the use of scales or balances recording pounds of mass (lbm) or the recording of density in lbm/ft3 shall not be regarded as nonconformance with this practice.

1.4 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word "Standard" in the title of this document means only that the document has been approved through the ASTM consensus process.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.

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

ASTM Standards

C117 Test Method for Materials Finer than 75-m (No. 200) Sieve in Mineral Aggregates by Washing

C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates

D8 Terminology Relating to Materials for Roads and Pavements

D75 Practice for Sampling Aggregates

D653 Terminology Relating to Soil, Rock, and Contained Fluids

D977 Specification for Emulsified Asphalt

D1074 Test Method for Compressive Strength of Bituminous Mixtures

D1188 Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Coated Samples

D1559 Test Method for Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus

D1560 Test Methods for Resistance to Deformation and Cohesion of Bituminous Mixtures by Means of Hveem Apparatus

D1561 Practice for Preparation of Bituminous Mixture Test Specimens by Means of California Kneading Compactor

D2026 Specification for Cutback Asphalt (Slow-Curing Type)

D2027 Specification for Cutback Asphalt (Medium-Curing Type)

D2028 Specification for Cutback Asphalt (Rapid-Curing Type)

D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

D2397 Specification for Cationic Emulsified Asphalt

D2419 Test Method for Sand Equivalent Value of Soils and Fine Aggregate

D2726 Test Method for Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures

D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction

D4123 Test Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures

D4318 Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils

D6026 Practice for Using Significant Digits in Geotechnical Data

ICS Code

ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

UNSPSC Code

UNSPSC Code 11111501(Soil); 30121601(Asphalt)

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DOI: 10.1520/D4223-99R06

Citation Format

ASTM D4223-99(2006), Standard Practice for Preparation of Test Specimens of Asphalt-Stabilized Soils, ASTM International, West Conshohocken, PA, 2006, www.astm.org