Characterisation and engineering properties of Troll Clay

Lunne, Tom; Uzielli, M; Long, Michael

doi:10.1201/noe0415426916.ch9

Cited by 18 publications

(15 citation statements)

References 14 publications

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“…Stokoe et al, 1994, Park et al, 1999and Kaufmann et al, 2005. Independently carried out seismic CPT (SCPT) data, by the University of British Columbia, was also available (Eidsmoen et al, 1985 andLunne et al, 2003a) and these data are also shown in Figure 3(a). As for the MASW results the SCPT data are consistent.…”

Section: Results For Clay Sites Onsoymentioning

confidence: 99%

“…Test results are compared with Rayleigh wave measurements (BRE, 1990 andButcher andPowell, 1996) as well as seismic CPT and cross-hole seismic test results (Eidsmoen et al, 1985 andLunne et al, 2003b).…”

Section: Results For Holmen Drammen Sand Sitementioning

confidence: 99%

“…The site at Holmen Island, Drammen has been the main NGI loose sand research site since the early 1970's (Lunne et al, 2003b). The deposit comprises a lightly overconsolidated uniform lose to medium dense sand with only a little silt and gravel.…”

Section: Sand Sitementioning

confidence: 99%

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In situ shear wave velocity from multichannel analysis of surface waves (MASW) tests at eight Norwegian research sites

Long¹,

Donohue²

2007

Can. Geotech. J.

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Abstract:The Multichannel Analysis of Surface Waves (MASW) technique, used to determine shear wave velocity (V s ) and hence small strain stiffness (G max ), has recently generated considerable interest in the geophysics community. This is because of the ease of carrying out the test and analysis of the data. The objective of this work was to assess the repeatability, accuracy and reliability of MASW surface wave measurements for use in engineering studies. Tests were carried out at 8 wellcharacterised Norwegian clay, silt and sand research sites where V s had already been assessed using independent means. As well as being easy and quick to use MASW gave consistent and repeatable results and for the clay sites the MASW V s profiles were similar to those obtained from other techniques. Reasonable results were also obtained for the silt and sand sites, with the best result being obtained for the finer silt.This work also confirms that MASW V s clay profiles are comparable to those obtained by correlation with CPT. For these sites there also seems to be a good correlation between normalised small strain shear modulus and in situ void ratio or water content and the data fit well with published correlations for clays.

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Section: Results For Clay Sites Onsoymentioning

confidence: 99%

Section: Results For Holmen Drammen Sand Sitementioning

confidence: 99%

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In situ shear wave velocity from multichannel analysis of surface waves (MASW) tests at eight Norwegian research sites

Long¹,

Donohue²

2007

Can. Geotech. J.

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“…It is located about 100 km southeast of Oslo, just north of the city of Fredrikstad. The site is underlain by very uniform soft toˆrm marine clays of the order of 40 m in thickness and it is described in detail by Lunne et al (2003).…”

Section: Evaluation Of Sample Disturbancementioning

confidence: 99%

A Comparative Study Between the NGI Direct Simple Shear Apparatus and the Mikasa Direct Shear Apparatus

Hanzawa

Nutt

Lunne

et al. 2007

Soils and Foundations

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“…It has been shown that high quality samples can be obtained using this technique (Hight et al 1992;Lunne et al 2003). Samples of 250 mm in diameter and up to 350 mm high are extracted from within a 450 mm diameter borehole, which is stabilised by water.…”

Section: Onsøy Norwaymentioning

confidence: 99%

Suction Measurements as Indicators of Sample Quality in Soft Clay

Donohue¹,

Long

2009

Geotechnical Testing Journal

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Soil samples removed from the ground during sampling possess a suction in their unconfined state. This suction may vary depending on the degree of disturbance induced during the sampling process. The objective of this work is to examine the feasibility of using suction measurements for sample quality assessment. A number of suction measuring techniques are reviewed and examined on samples of varying quality from two wellcharacterised soft clay sites, Onsøy in Norway and Ballinasloe in Ireland. Most of the techniques tested gave comparable results, although the cell pressure loading method provided the most variable measurements. The Japanese and University of Massachusetts Amherst suction probe techniques provide relatively quick and consistent suction measurements, requiring less than half an hour to stabilise.In terms of sample quality the Sherbrooke block samples consistently exhibit higher suctions than the 76 mm, 54 mm and continuous soil samplers for the Onsøy test site.Suctions measured on the Japanese 75mm samples are similar to those measured on the block samples. The 5 o displacement sampler provides the highest suctions on the Ballinasloe samples. It is observed that the quality of samples indicated by suction measurements is similar to that inferred from the normalised change in void ratio (Δe/e 0 ) criterion.

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Characterisation and engineering properties of Troll Clay

Cited by 18 publications

References 14 publications

In situ shear wave velocity from multichannel analysis of surface waves (MASW) tests at eight Norwegian research sites

In situ shear wave velocity from multichannel analysis of surface waves (MASW) tests at eight Norwegian research sites

A Comparative Study Between the NGI Direct Simple Shear Apparatus and the Mikasa Direct Shear Apparatus

Suction Measurements as Indicators of Sample Quality in Soft Clay

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