ASTM E2277 - 14

    Standard Guide for Design and Construction of Coal Ash Structural Fills

    Active Standard ASTM E2277 | Developed by Subcommittee: E50.03

    Book of Standards Volume: 11.05

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    ASTM E2277

    Significance and Use

    4.1 General:

    4.1.1 Many CCPs are suitable materials for the construction of engineered structural fills. CCPs may be used as: structural fill for building sites and foundations; embankments for highways and railroads, road bases, dikes, and levees; and in any other application requiring a compacted fill material. Their low unit weight, relatively high shear strength, ease of handling, and compaction make CCPs useful as fill material. However, the specific engineering and environmental properties of these materials can vary from source to source and must be evaluated for each material, or combination of materials, to be used for an engineered structural fill. Information contained in Guide D5759 may be applicable to some CCPs to be used in engineered structural fills. AASHTO Standard Practice PP059-09-UL also addresses the use of coal combustion fly ash in embankments. The requirements for the type of CCPs that can be used for specific engineered structural fills may also vary because of local site conditions or the intended use of the fill, or both. Environmental considerations are addressed in Section 5.

    4.1.2 CCPs can be a cost-effective fill material. In many areas, they are available in bulk quantities at a reasonable cost. The use of CCPs conserves other resources and reduces the expenditures required for the purchase, permitting, and operation of a soil borrow pit. CCPs often can be delivered to a job site at near optimum moisture content and generally do not require additional crushing, screening, or processing as compared to comparable native materials.

    4.1.3 Use of CCPs conserves natural resources by avoiding extraction or mining of soils, aggregates, or similar fill material that also conserves energy and reduces greenhouse gas emissions.

    4.1.4 The volume of beneficially used CCPs preserves valuable landfill space.

    4.2 Regulatory Framework:

    4.2.1 Federal—Currently, there are no federal regulations addressing the beneficial use of CCPs. States and local jurisdictions have oversight of CCP management and beneficial use activities within their states

    4.2.2 State and Local Jurisdictions—Laws and regulations regarding the use of CCPs vary by state and local jurisdictions. It is incumbent upon the project owner and designer to determine any local or state guidance, policies, or regulations pertaining to the use of CCPs.

    1. Scope

    1.1 This guide covers procedures for the design and construction of engineered structural fills using coal combustion products (CCPs) including but not limited to fly ash, bottom ash, boiler slag or other CCPs that can meet the requirements of an engineered fill as described herein. CCPs may be used alone or blended with soils or other suitable materials to achieve desired geotechnical properties.

    1.2 This guide describes the unique design and construction considerations that may apply to engineered structural fills constructed of with CCPs that have been adequately characterized as being suitable for this beneficial use.

    1.3 Beneficial utilization of CCPs consistent with this standard conserves land, natural resources, and

    1.4 This guide applies only to CCPs produced primarily by the combustion of coal.

    1.5 The testing, engineering, and construction practices for coal ash fills are similar to generally accepted practices for natural soil fills. Coal ash structural fills should be designed using generally accepted engineering practices. However, when CCPs are used in saturated conditions such as ponds or impoundments, the potential for liquefaction may need to be considered.

    1.6 Laws and regulations governing the use of coal ash vary by state. The user of this guide has the responsibility to determine and comply with applicable requirements.

    1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.8 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 requirements 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

    C150 Specification for Portland Cement

    C188 Test Method for Density of Hydraulic Cement

    C311 Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete

    C595 Specification for Blended Hydraulic Cements

    D75 Practice for Sampling Aggregates

    D420 Guide to Site Characterization for Engineering, Design, and Construction Purposes

    D422 Test Method for Particle-Size Analysis of Soils

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D698 Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort (12 400 ft-lbf/ft3 (600 kN-m/m3))

    D854 Test Method for Specific Gravity of Soils

    D1195 Test Method for Repetitive Static Plate Load Tests of Soils and Flexible Pavement Components, for Use in Evaluation and Design of Airport and Highway Pavements

    D1196 Test Method for Nonrepetitive Static Plate Load Tests of Soils and Flexible Pavement Components, for Use in Evaluation and Design of Airport and Highway Pavements

    D1452 Practice for Soil Investigation and Sampling by Auger Borings

    D1556 Test Method for Density and Unit Weight of Soil In Place by the Sand-Cone Method

    D1557 Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56 000 ft-lbf/ft3 (2700 kN-m/m3))

    D1586 Test Method for Penetration Test and Split-Barrel Sampling of Soils

    D1883 Test Method for CBR (California Bearing Ratio) of Laboratory-Compacted Soils

    D2166 Test Method for Unconfined Compressive Strength of Cohesive Soil

    D2167 Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method

    D2216 Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock

    D2435 Test Method for One-Dimensional Consolidation Properties of Soils

    D2850 Test Method for Unconsolidated, Undrained Compressive Strength of Cohesive Soils in Triaxial Compression

    D2922 Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth)

    D3080 Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions

    D3550 Practice for Ring-Lined Barrel Sampling of Soils

    D3877 Test Methods for One-Dimensional Expansion, Shrinkage, and Uplift Pressure of Soil-Lime Mixtures

    D4253 Test Methods for Maximum Index Density and Unit Weight of Soils Using a Vibratory Table

    D4254 Test Method for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density

    D4429 Test Method for Bearing Ratio of Soils in Place

    D4643 Test Method for Determination of Water (Moisture) Content of Soil by the Microwave Oven Method

    D4959 Test Method for Determination of Water (Moisture) Content of Soil by Direct Heating Method

    D4972 Test Method for pH of Soils

    D5084 Test Method for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter

    D5239 Practice for Characterizing Fly Ash for Use in Soil Stabilization

    E1527 Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process

    E1528 Practice for Environmental Site Assessments: Trans-action Screen Process

    E1609 Guide for the Development and Implementation of a Pollution Prevention Program

    E2201 Terminology for Coal Combustion Products

    G51 Test Method for pH of Soil for Use in Corrosion Testing

    G57 Test Method for Field Measurement of Soil Resistivity Using the Wenner Four-Electrode Method

    AASHTO Standards

    T291 Determining Water Soluble Chloride Ion Content in Soil

    UNSPSC Code

    UNSPSC Code 77120000(Pollution tracking and monitoring and rehabilitation)

    DOI: 10.1520/E2277

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