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Abstract
Vibroflotation, vibratory compaction, micro-blasting or heavy tamping are typical improvement methods for the cohesionless deposits of high thickness. The complex mechanism of deep soil compaction is related to void ratio decrease with grain rearrangements, lateral stress increase, prestressing effect of certain number of load cycles, water pressure dissipation, aging and other effects. Calibration chamber based interpretation of CPTU/DMT can be used to take into account vertical and horizontal stress and void ratio effects. Some examples of interpretation of soundings in pre-treated and compacted sands are given. Some acceptance criteria for compaction control are discussed. The improvement factors are analysed including the normalised approach based on the soil behaviour type index.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/sgem-2014-0014
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
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Studia Geotechnica et Mechanica
no. 36,
pages 3 - 8,
ISSN: 0137-6365 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Bałachowski L., Kurek N.: Deep compaction control of sandy soils// Studia Geotechnica et Mechanica. -Vol. 36., nr. 2 (2014), s.3-8
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/sgem-2014-0014
- Verified by:
- Gdańsk University of Technology
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