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Shear Resistance Degradation of Lime –Cement Stabilized Soil During Cyclic Loading
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis presents the results of a series of undrained cyclic triaxial tests carried out on four lime-cement stabilized specimens and clay specimen. The shear resistance degradation rate of lime-cement column subjected to cyclic loading simulated from heavy truck was investigated based on stress-controlled test. The influence of lime and cement on the degradation rate was investigated by comparing the behavior of stabilized kaolin and unstabilized kaolin with similar initial condition. The results indicate an increase in degree of degradation as the number of loading cycles and cyclic strain increase. It is observed that the degradation index has approximately a parabolic relationship with the number of cycles. Generally adding lime and cement to the clay will increase the degradation index which means lower degree of degradation. The degradation parameter, t has a hyperbolic relationship with shear strain, but it loses its hyperbolic shape as the soil getting stronger. On the other hand, for unstabilized clay an approximate linear relationship between degradation index and number of cycles was observed and the degradation parameter has a hyperbolic shape with the increase number of cycles. It was also observed that the stronger the material was, the lesser pore pressure developed in the lime-cement stabilized clay.

Place, publisher, year, edition, pages
2014. , 53 p.
Series
Examensarbete Jord- och bergmekanik, ISSN 1652-599X ; 01/14
Keyword [en]
undrained cyclic triaxial test, lime-cement stabilized column, shear resistance, shear strain, degradation index, degradation parameter, pore pressure
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-141196OAI: oai:DiVA.org:kth-141196DiVA: diva2:695638
Subject / course
Soil and Rock Mechanics
Educational program
Master of Science in Engineering - Urban Management
Supervisors
Examiners
Available from: 2014-02-17 Created: 2014-02-11 Last updated: 2014-02-17Bibliographically approved

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CiteExportLink to record
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  • apa
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