Use this URL to cite or link to this record in EThOS: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.683579
Title: Physical modelling of vibro stone column using recycled aggregates
Author: Amini, Roxana
ISNI:       0000 0004 5917 1664
Awarding Body: University of Birmingham
Current Institution: University of Birmingham
Date of Award: 2016
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Abstract:
Vibro-stone column (VSC) is one of the most commonly used ground improvement techniques worldwide. Its performance depends on the quality of aggregates and interaction with the surrounding soil. The impact of installation methods used and the choice of aggregates to form the columns are still unknown which can result in short and long-term failures. In this research a primary and three recycled aggregates (RA) which are commonly used in practice were compared in the actual context of the installation and loading of a single column in soft clay. Two sets of large and small unit cell tests were designed for the study of the short-term behaviour in which the dry top feed method of installation was used on the actual aggregates, despite their unacceptable index tests results. In both of the unit cell tests, the RAs behaved comparable to the primary source in terms of load carrying capacity and showed that the aggregate index tests results alone should not be considered for the selection of the materials. The particle size distribution and grading of the aggregates were found to be the most important factors affecting the column formation and ultimately its load carrying capacity.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.683579  DOI: Not available
Keywords: TA Engineering (General). Civil engineering (General)
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