ASTM-D7762 2018

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D7762-18e1 Standard Practice for Design of Stabilization of Soil and Soil-Like Materials with Self-Cementing Fly Ash

Published By	Publication Date	Number of Pages
ASTM	2018

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Category: ASTM

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Description

ASTM D7762-18e1

Active Standard: Standard Practice for Design of Stabilization of Soil and Soil-Like Materials with Self-Cementing Fly Ash

ASTM D7762

Scope

1.1 This practice covers procedures for the design of stabilization of soil and soil-like materials using self-cementing coal fly ash for roadway applications, treatment of expansive subgrade or organic subgrade, and limiting settlement of fills below buildings. The coal fly ash covered in this method includes self-cementing fly ashes described in Specification D5239.

1.2 The testing and engineering practices for self-cementing coal fly ash are similar to generally accepted practices for soil stabilization with fly ash and other pozzolans that require lime.

1.3 The test methods in this practice are applicable to the characterization of mechanical properties of in situ mixed self-cementing fly ash stabilized materials. Follow Practice D75/D75M for sampling purposes. There are other related fly ash stabilization standards. Practice D5239 can be used to characterize the general types of fly ash for use in soil stabilization. Specification C593 can be used to evaluate the performance of fly ash and other pozzolans that require lime soil stabilization. Guide E2277 can be used to characterize properties of fly ash and bottom ash in structural fills and related design and construction considerations.

1.4 Units—The values stated in SI units are to be regarded as standard. No other units of measure are included in this standard.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 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.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

durability; fly ash stabilized materials; mechanical properties; mix design; self-cementing fly ash; stabilization; stiffness; strength;

ICS Code

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

DOI: 10.1520/D7762-18E01

Additional information

Standard Title	D7762-18e1 Standard Practice for Design of Stabilization of Soil and Soil-Like Materials with Self-Cementing Fly Ash
Published Code	ASTM
Publication Date	2018