Factors Affecting Strength Gain and Development of a Laboratory Testing Procedure

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dc.contributor.authorJacobson, Jesse Richarden
dc.contributor.committeechairFilz, George M.en
dc.contributor.committeecochairMitchell, James K.en
dc.contributor.committeememberBrandon, Thomas L.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T20:35:24Zen
dc.date.adate2002-05-09en
dc.date.available2014-03-14T20:35:24Zen
dc.date.issued2002-05-02en
dc.date.rdate2003-05-09en
dc.date.sdate2002-05-07en
dc.description.abstractLime-cement columns were constructed to improve soft ground at the I-95/Route 1 Interchange in Alexandria, Virginia. As part of the test embankment program, two different commercial laboratories performed laboratory tests on treated soil, and they produced strikingly different unconfined compression test results. Further, both sets of results are different from test results for similar soils available in the published literature. This situation created uncertainties and a conservative design philosophy, accompanied by increased construction costs compared to typical lime-cement column projects. The goals of this research project were to assess factors that influence strength gain of lime-cement-soil mixtures and to develop a detailed laboratory test procedure that produces consistent results. Key findings from the research are that a laboratory test procedure that produces consistent results has been developed, drying and subsequent restoration of soil moisture prior to treatment can decrease the strength of the mixture, the mixture strength decreases as the ratio of soil water content to cement content increases for 100 percent cement-soil mixtures, the addition of lime can increase the mixture strength for some soils and decrease the strength for others, and presenting the test results in the form of contour plots of unconfined compressive strength can be very useful.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-05072002-155528en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05072002-155528/en
dc.identifier.urihttp://hdl.handle.net/10919/32298en
dc.publisherVirginia Techen
dc.relation.haspartThesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectstrength gainen
dc.subjectlaboratory mix designen
dc.subjectlime-cement columnsen
dc.titleFactors Affecting Strength Gain and Development of a Laboratory Testing Procedureen
dc.typeThesisen
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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