ASTM_D_5102_-_09.pdf

Designation:D510209Standard Test Methods forUnconfined Compressive Strength of Compacted Soil-LimeMixtures1This standard is issued under the fixed designation D5102;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers procedures for preparing,curing,and testing laboratory-compacted specimens of soil-lime and other lime-treated materials(Note 1)for determiningunconfined compressive strength.This test method can be usedfor specimens prepared at the maximum unit weight andoptimum water content,or for specimens prepared at othertarget unit weight and water content levels.Other applicationsare given in Section 5 on Significance and Use.NOTE1Lime-based products other than commercial quicklime andhydrated lime are also used in the lime treatment of fine-grained cohesivesoils.Lime kiln dust(LKD)is collected from the kiln exhaust gases bycyclone,electrostatic,or baghouse-type collection systems.Some limeproducers hydrate various blends of LKD plus quicklime to produce alime-based product.1.2 Cored specimens of soil-lime should be tested in accor-dance with Test Methods D2166.1.3 Two alternative procedures are provided:1.3.1 Procedure A describes procedures for preparing andtesting compacted soil-lime specimens having height-to-diameter ratios between 2.00 and 2.50.This test methodprovides the standard measure of compressive strength.1.3.2 Procedure B describes procedures for preparing andtesting compacted soil-lime specimens using Test MethodsD698 compaction equipment and molds commonly available inmost soil testing laboratories.Procedure B is considered toprovide relative measures of individual specimens in a suite oftest specimens rather than standard compressive strengthvalues.Because of the lesser height-to-diameter ratio(1.15)ofthe cylinders,compressive strength determined by Procedure Bwill normally be greater than that by Procedure A.1.3.3 Results of unconfined compressive strength tests usingProcedure B should not be directly compared to those obtainedusing Procedure A.1.4 All observed and calculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026.1.4.1 The method used to specify how data are collected,calculated,or recorded in this standard is not directly related tothe accuracy to which the data can be applied in design or otheruses,or both.How one applies the results obtained using thisstandard is beyond its scope.1.5 Lime is not an effective stabilizing agent for all soils.Some soil components such as sulfates,phosphates,organics,etc.can adversely affect soil-lime reactions and may affect thetest results using this method.1.6 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.6.1 The gravitational system of inch-pound units is usedwhen dealing with inch-pound units.In this system,the pound(lbf)represents a unit of force(weight),while the unit for massis slugs.The rationalized slug unit is not given,unless dynamic(F=ma)calculations are involved.1.6.2 It is common practice in the engineering/constructionprofession to concurrently use pounds to represent both a unitof mass(lbm)and of force(lbf).This implicitly combines twoseparate systems of units;that is,the absolute system and thegravitational system.It is scientifically undesirable to combinethe use of two separate sets of inch-pound units within a singlestandard.As stated,this standard includes the gravitationalsystem of inch-pound units and does not use/present the slugunit for mass.However,the use of balances or scales recordingpounds of mass(lbm)or recording density in lbm/ft3shall notbe regarded as non-conformance with this standard.1These test methods are under the jurisdiction ofASTM Committee D18 on Soiland Rock and is the direct responsibility of Subcommittee D18.15 on StabilizationWith Admixtures.Current edition approved Oct.1,2009.Published November 2009.Originallyapproved in 1996.Last previous edition approved in 2004 as D5102 04.DOI:10.1520/D5102-09.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 1.7 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.For specificprecautionary statements,see Section 8.2.Referenced Docu