Standard Guide for Design and Construction of Coal Ash Structural Fills

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 CC...
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.

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Publication Date
31-Dec-2013
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: E2277 − 14
Standard Guide for
1
Design and Construction of Coal Ash Structural Fills
This standard is issued under the fixed designation E2277; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory requirements prior to use.
1.1 This guide covers procedures for the design and con-
struction of engineered structural fills using coal combustion
2. Referenced Documents
products (CCPs) including but not limited to fly ash, bottom
2
2.1 ASTM Standards:
ash, boiler slag or other CCPs that can meet the requirements
C150/C150M Specification for Portland Cement
of an engineered fill as described herein. CCPs may be used
C188 Test Method for Density of Hydraulic Cement
alone or blended with soils or other suitable materials to
C311 Test Methods for Sampling and Testing Fly Ash or
achieve desired geotechnical properties.
Natural Pozzolans for Use in Portland-Cement Concrete
1.2 This guide describes the unique design and construction
C593 Specification for FlyAsh and Other Pozzolans for Use
considerations that may apply to engineered structural fills
With Lime for Soil Stabilization
constructed of with CCPs that have been adequately charac-
C595/C595M Specification for Blended Hydraulic Cements
terized as being suitable for this beneficial use.
C618 Specification for Coal Fly Ash and Raw or Calcined
Natural Pozzolan for Use in Concrete
1.3 Beneficial utilization of CCPs consistent with this stan-
C1157 Performance Specification for Hydraulic Cement
dard conserves land, natural resources, and
C1600 Specification for Rapid Hardening Hydraulic Cement
1.4 This guide applies only to CCPs produced primarily by
D75 Practice for Sampling Aggregates
the combustion of coal.
D422 Test Method for Particle-Size Analysis of Soils
D653 Terminology Relating to Soil, Rock, and Contained
1.5 The testing, engineering, and construction practices for
Fluids
coal ash fills are similar to generally accepted practices for
D698 Test Methods for Laboratory Compaction Character-
natural soil fills. Coal ash structural fills should be designed
3
istics of Soil Using Standard Effort (12 400 ft-lbf/ft (600
using generally accepted engineering practices. However,
3
kN-m/m ))
when CCPs are used in saturated conditions such as ponds or
D854 Test Methods for Specific Gravity of Soil Solids by
impoundments, the potential for liquefaction may need to be
Water Pycnometer
considered.
D1195/D1195M Test Method for Repetitive Static Plate
1.6 Laws and regulations governing the use of coal ash vary
Load Tests of Soils and Flexible Pavement Components,
by state. The user of this guide has the responsibility to
for Use in Evaluation and Design ofAirport and Highway
determine and comply with applicable requirements.
Pavements
1.7 The values stated in inch-pound units are to be regarded D1196/D1196M Test Method for Nonrepetitive Static Plate
as standard. The values given in parentheses are mathematical Load Tests of Soils and Flexible Pavement Components,
conversions to SI units that are provided for information only for Use in Evaluation and Design ofAirport and Highway
and are not considered standard. Pavements
D1452 Practice for Soil Exploration and Sampling byAuger
1.8 This standard does not purport to address all of the
Borings
safety concerns, if any, associated with its use. It is the
D1556 Test Method for Density and Unit Weight of Soil in
responsibility of the user of this standard to establish appro-
Place by Sand-Cone Method
D1557 Test Methods for Laboratory Compaction Character-
3
istics of Soil Using Modified Effort (56,000 ft-lbf/ft
1
3
ThisguideisunderthejurisdictionofASTMCommitteeE50onEnvironmental
(2,700 kN-m/m ))
Assessment, Risk Management and CorrectiveAction and is the direct responsibil-
ity of Subcommittee E50.03 on Pollution Prevention/Beneficial Use.
2
Current edition approved Jan. 15, 2014. Published February 2014. Originally For referenced ASTM standards, visit the ASTM website, www.astm.org, or
approved in 2004. Last previous edition approved in 2003 as E2278–03 which was contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
withdrawn in January 2012 and reinstated in January 2014. DOI: 10.1520/E2277- Standards volume information, refer to the standard’s Document Summary page on
14. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E2277 − 14
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D1586 Test Method for Penetration Test (SP
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