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Engineering Behavior Of Lime Treated High Sulfate Soils

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Engineering Behavior Of Lime Treated High Sulfate Soils

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dc.contributor.author Gaily, Ahmed Hassan Mohamed en_US
dc.date.accessioned 2012-07-25T19:09:47Z
dc.date.available 2012-07-25T19:09:47Z
dc.date.issued 2012-07-25
dc.date.submitted January 2012 en_US
dc.identifier.other DISS-11628 en_US
dc.identifier.uri http://hdl.handle.net/10106/11100
dc.description.abstract Regardless of increased knowledge and awareness of sulfate heave, the Texas Department of Transportation (TxDOT) continues to experience pavement failures during and immediately after construction on transportation infrastructures intended to last at least 20 years. Failures are predominantly observed in sites where high sulfate soils of 8,000 ppm or higher levels. Many of these failures are attributed to sulfate-induced heave where an expansive mineral called Ettringite is formed from calcium-based stabilizers (lime or cement) reacting with water, clay, and sulfates. The reactions responsible for Ettringite formation are extremely complex which make generalizations concerning the rate and magnitude of heaving in different treated soils impossible. The main objective of this research is to advance the state of knowledge of the engineering behaviors of lime treated high sulfate soils. In this research several tests have been identified to understand the change in volume behavior (swell and shrinkage strains) of lime treated high sulfate soils under two different moisture conditions and different mellowing periods to see the effects on swell strains reduction. en_US
dc.description.sponsorship Puppala, Anand en_US
dc.description.sponsorship This research is fully funded by the Texas Department of Transportation as part of project number: 0-6618 Mitigation of High Sulfate Soils in Texas.
dc.language.iso en en_US
dc.publisher Civil & Environmental Engineering en_US
dc.title Engineering Behavior Of Lime Treated High Sulfate Soils en_US
dc.type M.S. en_US
dc.contributor.committeeChair Puppala, Anand en_US
dc.degree.department Civil & Environmental Engineering en_US
dc.degree.discipline Civil & Environmental Engineering en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level masters en_US
dc.degree.name M.S. en_US

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