Correlations between cone resistance and vane shear strength in some Scandinavian soft to medium stiff clays

Lunne, Tom; Eide, Ove; Ruiter, Jaap de

doi:10.1139/t76-043

Cited by 46 publications

(9 citation statements)

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“…Earlier, Lunne et al (1976) also showed a similar trend of decreasing cone factor with plastic index. Details of undrained shear strength interpretation from in situ tests could be found in the study by Bo et al (2000).…”

Section: Correlation Of Strength Parameters With In Situ Measured Parsupporting

confidence: 61%

Research-oriented ground investigation projects at Changi, Singapore

Arulrajah

Choa

et al. 2017

Geotechnical Research

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The Changi East Reclamation projects in Singapore were implemented in five phases starting from 1991 and completed in 2005. Due to the excessive magnitude of settlement likely to occur over a long period of duration caused by the consolidation process, an extensively large area was required to be improved using ground improvement techniques to accelerate the consolidation process. The planning and implementation of site investigation works for land reclamation projects is discussed in this paper. An accurate and extensive geotechnical characterisation of underlying soft compressible marine clay was undertaken as part of this project. The geotechnical characterisation was undertaken using site investigation, specialised laboratory testing and specialised in situ testing. Correlations were obtained using empirical methods, which will be useful for future use such as correlations between classification parameters as well as specialised in situ test parameters and strength and compressibility parameters of Singapore marine clay at Changi, Singapore. This paper presents how the research-oriented ground investigation projects were implemented for this mega land reclamation project in the Republic of Singapore.

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Section: Correlation Of Strength Parameters With In Situ Measured Parsupporting

confidence: 61%

Research-oriented ground investigation projects at Changi, Singapore

Arulrajah

Choa

et al. 2017

Geotechnical Research

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“…This correlation has been successfully evaluated for numerous types of cohesive soils [23,24]. In order to check this relationship, the undrained shear strength of the soil is measured by means of shear vane, triaxial compression test or unconfined compression test.…”

Section: Cone Penetration Testmentioning

confidence: 99%

DEM modeling of cone penetration and unconfined compression in cohesive solids

Janda

Ooi

2016

Powder Technology

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“…(2.1), given that q c , σ v , and s u are all known. However, as noted by Lunne et al (1976), there are limitations on the accuracy of s u determinations from the vane test that are related to the direction and rate of shearing (Lunne et al 1976). …”

Section: Empirical Efforts For Correlating Shear Strength To Cone Resmentioning

confidence: 99%

Interpretation of Cone Penetration tests in Cohesive Soils

Kim¹,

Prezzi

Salgado³

2006

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Prepared in cooperation with the Indiana Department of Transportation and Federal Highway Administration. AbstractThis report focuses on the evaluation of the factors affecting cone resistance measurement during cone penetration in saturated clayey soils and the application of the result to pile shaft capacity analysis. In particular, effects of drainage conditions around the cone tip were studied. Rate effects related to both drainage and shear strength dependence on loading rate were studied. In order to investigate the effects of drainage during penetration, penetration tests were performed with various velocities in the field and in a calibration chamber, and the obtained data were analyzed. For the field tests, two sites which have homogeneous clayey soil layers below the groundwater table were selected, and CPTs were performed with various penetration rates. Penetration tests in the calibration chamber were performed to investigate the transition points between undrained and partially drained, partially drained and fully drained conditions based on cone penetration rate and the coefficient of consolidation.A series of flexible-wall permeameter tests were conducted for various mixing ratios of clays and sands to obtain values of the coefficient of consolidation, which is a key variable in determining the drainage state during cone penetration. Nine piezocone penetration tests were conducted at different rates in calibration chamber specimen P1 (mixture of 25 % clay and 75 % sand) and eight penetration tests were carried out in calibration chamber specimen P2 (mixture of 18 % clay and 82 % sand). From the results of the penetration tests in the calibration chamber, a cone resistance backbone curve, with q c plotted versus normalized penetration rate, was established.Guidelines were proposed for when to interpret CPT tests, whether in estimating soil properties or in estimating pile resistances, in soils for which penetration takes place under conditions that cannot be established as either drained or undrained a priori. Key WordsCone Penetration Test (CPT), Pile Design, Bearing Capacity, Clay, Clayey Soils. Distribution StatementNo restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161 TECHNICAL SummaryTechnology Transfer and Project Implementation Information TRB Subject Code: 62-1 Foundation Soils December 2006 Publication No.FHWA/IN/JTRP-2006/22, SPR-2632 Final Report INTERPRETATION OF CONE PENETRATION TESTS IN COHESIVE SOILS IntroductionVarious types of in situ tests are relied on for estimating soil properties or directly designing foundations. Among the various in-situ tests, the use of the Cone Penetration Test (CPT) has been increasing steadily. There are many factors affecting the cone resistance measured during penetration through saturated clayey soils. These need to be understood and quantified for effective interpretation of CPT results.An important use of cone resistance is in the design of pile foundations. In effect,...

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Correlations between cone resistance and vane shear strength in some Scandinavian soft to medium stiff clays

Cited by 46 publications

References 0 publications

Research-oriented ground investigation projects at Changi, Singapore

Research-oriented ground investigation projects at Changi, Singapore

DEM modeling of cone penetration and unconfined compression in cohesive solids

Interpretation of Cone Penetration tests in Cohesive Soils

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