ASTM-D4320 Standard Practice for Laboratory Preparation of Chemically Grouted Soil Specimens for Obtaining Engineering Parameters (Withdrawn 2018)

ASTM-D4320 - 2009 EDITION - CANCELLED
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Standard Practice for Laboratory Preparation of Chemically Grouted Soil Specimens for Obtaining Engineering Parameters (Withdrawn 2018)

Scope

1.1 This practice covers the laboratory preparation of chemically grouted soil specimens for use in laboratory tests to determine engineering parameters.

Note 1—This practice may not be applicable to grout mixtures with gel times shorter than the time required to saturate the specimen with grout.

1.2 The specimens are intended for both strength and modulus determination in unconfined and confined compression testing.

Note 2—Preparation methods for specimens to be used for other purposes are described in Test Methods D4219 and D5202.

1.3 This practice requires the injection of grout into soil specimens already fabricated to a desired density.

1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.

1.4.1 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.

1.5 The values stated in either SI units or inch-pound units [presented in brackets] are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.5.1 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. The slug unit is not given, unless dynamic (F = ma) calculations are involved.

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 projects 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 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.

Significance and Use

The purpose of this practice is to prepare specimens of chemically grouted soils for testing in unconfined or triaxial compression.

Note 3—The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Practice D3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.

Keywords

chemical grout; chemical grouted soils; curing conditions; grouting; grout injection; strength; unconfined compressive strength: Specimen preparation (for testing)--soil; Strength--soil; Chemical-grouted soil; Compression testing--soil; Design--soil applications; Laboratory soil/rock analysis; Loading tests--soil/related materials; Modulus; ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

To find similar documents by ASTM Volume:

04.08 (Soil and Rock (I): D420 - D5876)

To find similar documents by classification:

93.020 (Earthworks. Excavations. Foundation construction. Underground works Including geotechnics Earth-moving machinery, see 53.100)

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Document Number

ASTM-D4320/D4320M-09

Revision Level

2009 EDITION

Status

Cancelled

Modification Type

Withdrawn

Publication Date

Nov. 1, 2009

Document Type

Practice

Page Count

5 pages

Committee Number

D18.16