Compaction control and related stress–strain behaviour of off-shore land reclamations with calcareous sands

Impe, P.O. Van; Impe, William F. Van; Manzotti, A.; Mengé, Patrick; Broeck, M Van Den; Vinck, Ken

doi:10.1016/j.sandf.2015.10.012

Cited by 28 publications

(16 citation statements)

References 14 publications

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“…In Table 1 the values of these calibration coefficients are compared to those found by Fioravante et al (1998), Fioravante et al (2013) and Van Impe et al (2015) for Quiou, Kenya and three carbonate sands (S1, BAE and BAW sands, used for an offshore land reclamation in the Persian Gulf), respectively. For comparison, the values calibrated for Ticino silica sand by Fioravante (2000) are also reported.…”

Section: Dynamic Properties Of M1 Carbonate Sandmentioning

confidence: 99%

“…The results of resonant column tests carried out on Quiou sand (Fioravante et al, 1994a) and on S1 sand (Van Impe et al, 2015) are provided in Fig. 11 for comparison.…”

Section: Dynamic Properties Of M1 Carbonate Sandmentioning

confidence: 99%

“…In light of peculiar aspects of the stress-strain behaviour of the soil investigated on this project, the primary objective of this paper is to provide a comprehensive data set on mechanical properties of a crushable, carbonate sand. Thorough treatment of the mechanical properties of these sands is limited in the technical literature; however, useful background and data have been presented by the following investigators: Fookes (1988), Golightly (1988), Golightly & Hyde (1988), Coop (1990), Coop & Atkinson (1993), Coop & Cuccovillo (1998), Coop et al (2004), Coop & Airey (2003), Fioravante et al (1994aFioravante et al ( , 1994bFioravante et al ( , 1998Fioravante et al ( , 2013, Qadimi & Coop (2007), Al-Douri & Poulos (1991), Hyodo et al (1998), Mao & Fahey (2003), Porcino et al (2008) and Van Impe et al (2015). Publications such as ISO 19901-4 (ISO, 2016) are applicable to siliceous sands and provide warnings to the effect that 'carbonate sands are different and need special expertise'.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical properties of a carbonate sand from a dredged hydraulic fill

Giretti¹,

Fioravante

Been

et al. 2018

Géotechnique

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This paper focuses on the properties of a crushable, uncemented, carbonate sand, retrieved from an artificial island to be used for petroleum production offshore of the United Arab Emirates. The sand was dredged from an offshore borrow area, placed hydraulically within engineered bunds to create the island and densified by vibroflotation. The results of a comprehensive laboratory testing programme are summarised in this paper, providing a set of mechanical properties for carbonate sand. The laboratory programme included static, cyclic and dynamic tests, the results of which are interpreted in a critical state soil mechanics framework, including stress dilatancy. The results of this testing programme contribute to on-going research on the behaviour of carbonate sands under static and cyclic loading conditions. The results are also compared with selected data for other carbonate and siliceous sands, and highlight the behaviour of crushable, carbonate sands used as hydraulic fills.

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Section: Dynamic Properties Of M1 Carbonate Sandmentioning

confidence: 99%

“…The results of resonant column tests carried out on Quiou sand (Fioravante et al, 1994a) and on S1 sand (Van Impe et al, 2015) are provided in Fig. 11 for comparison.…”

Section: Dynamic Properties Of M1 Carbonate Sandmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mechanical properties of a carbonate sand from a dredged hydraulic fill

Giretti¹,

Fioravante

Been

et al. 2018

Géotechnique

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show abstract

“…In this study, a calcareous sand and a reference silica sand are used to reconstitute samples at two relative densities in a triaxial cell. Van Impe et al (2015) showed the grain morphology of the calcareous sand and a very irregular grain shape was observed. They found that the maximum and minimum void ratios are beyond the typical range of silica sand.…”

Section: Introductionmentioning

confidence: 99%

Anisotropic small-strain stiffness of calcareous sand affected by sample preparation, particle characteristic and gradation

2021

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Sands exhibit a directional diversity in shear modulus at small strains, reflecting the anisotropic stiffness behaviour in the structure. In this paper, sample preparation method, particle shape and particle size are considered as parameters to produce samples with various initial fabric. Five preparation methods, namely, air and water pluviation, dry and moist tamping and dry funnel deposition are used to reconstitute the samples. The stiffness anisotropy of calcareous sand and Mol silica sand is quantified by the small-strain modulus G 0 measured in horizontal and vertical planes with the bender element technique in triaxial tests. Test results show that calcareous sands behave as an elastic homogeneous continuum material at small strains. Calcareous samples prepared by the air pluviation method possess the highest anisotropic ratios. The lowest stiffness anisotropy exists in the samples prepared by moist tamping and dry funnel deposition methods. Compared with the anisotropic ratios of the air pluviation samples from the literature, the notably higher values for the calcareous sand in this study are attributed to the lower sphericity. In addition, less prominent stiffness anisotropy is found in calcareous sands with smaller particle sizes (D 50 ).

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“…Different sand sources and sand placement methods will lead to variations in the density of the sand fill. The determination of relative density either by void ratio or dry density, provides a measure of the compactness, strength and compressibility characteristics of sand fill and is used to evaluate their engineering behavior and adequacy to provide the desired properties (Chang et al, 2006, Van Impe et al, 2015.…”

Section: Compactionmentioning

confidence: 99%

Land reclamation & soil improvement using dredged slurry as fill

Lam¹

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Compaction control and related stress–strain behaviour of off-shore land reclamations with calcareous sands

Cited by 28 publications

References 14 publications

Mechanical properties of a carbonate sand from a dredged hydraulic fill

Mechanical properties of a carbonate sand from a dredged hydraulic fill

Anisotropic small-strain stiffness of calcareous sand affected by sample preparation, particle characteristic and gradation

Land reclamation & soil improvement using dredged slurry as fill

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