Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials

Paul J Vardanega; J. S. Gan

Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials

Paul J Vardanega^*, J. S. Gan

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Abstract

To investigate the variation of undrained shear strength with changes in water content, determination of a value of undrained shear strength at the liquid limit is needed. There is debate as to the extent of the typical range of values of undrained shear strength at the liquid limit. In this paper, the undrained shear strength is measured using the miniature laboratory shear vane apparatus and compared with values back-analysed from British Standard fall-cone test data. Four geomaterials: Kaolin, Bentonite, Chalk and Bothkennar clay were selected for testing. The variation of the undrained shear strength values from both testing approaches with changing water content was also studied and compared with the results of previous work. The paper reports a narrow range of undrained shear strength values at the liquid limit for the geomaterials tested.

Original language	English
Title of host publication	European Geotechnical Engineering - Unity and Diversity
Subtitle of host publication	Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania
Editors	Irina Lungu, Iancu-Bogdan Teodoru, Loretta Batali
Place of Publication	Işai, România
Publisher	Politehnium Publishing House
Pages	35-42
Number of pages	8
Volume	1
ISBN (Print)	978-973-621-522-3
Publication status	Published - 7 Jun 2023
Event	17th Danube - European Conference on Geotechnical Engineering - Bucharest, Romania Duration: 7 Jun 2023 → 9 Jun 2023

Conference

Conference	17th Danube - European Conference on Geotechnical Engineering
Abbreviated title	17DECGE
Country/Territory	Romania
City	Bucharest
Period	7/06/23 → 9/06/23

Keywords

Fall-cone
Miniature laboratory shear vane
Undrained shear strength
Water content
Liquidity index

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Vardanega, P. J., & Gan, J. S. (2023). Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials. In I. Lungu, I.-B. Teodoru, & L. Batali (Eds.), European Geotechnical Engineering - Unity and Diversity: Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania (Vol. 1, pp. 35-42). Politehnium Publishing House.

Vardanega, Paul J ; Gan, J. S. / Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials. European Geotechnical Engineering - Unity and Diversity: Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania. editor / Irina Lungu ; Iancu-Bogdan Teodoru ; Loretta Batali. Vol. 1 Işai, România : Politehnium Publishing House, 2023. pp. 35-42

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title = "Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials",

abstract = "To investigate the variation of undrained shear strength with changes in water content, determination of a value of undrained shear strength at the liquid limit is needed. There is debate as to the extent of the typical range of values of undrained shear strength at the liquid limit. In this paper, the undrained shear strength is measured using the miniature laboratory shear vane apparatus and compared with values back-analysed from British Standard fall-cone test data. Four geomaterials: Kaolin, Bentonite, Chalk and Bothkennar clay were selected for testing. The variation of the undrained shear strength values from both testing approaches with changing water content was also studied and compared with the results of previous work. The paper reports a narrow range of undrained shear strength values at the liquid limit for the geomaterials tested.",

keywords = "Fall-cone, Miniature laboratory shear vane, Undrained shear strength, Water content, Liquidity index",

author = "Vardanega, {Paul J} and Gan, {J. S.}",

year = "2023",

month = jun,

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language = "English",

isbn = "978-973-621-522-3 ",

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booktitle = "European Geotechnical Engineering - Unity and Diversity",

publisher = "Politehnium Publishing House",

note = "17th Danube - European Conference on Geotechnical Engineering, 17DECGE ; Conference date: 07-06-2023 Through 09-06-2023",

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Vardanega, PJ & Gan, JS 2023, Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials. in I Lungu, I-B Teodoru & L Batali (eds), European Geotechnical Engineering - Unity and Diversity: Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania. vol. 1, Politehnium Publishing House, Işai, România, pp. 35-42, 17th Danube - European Conference on Geotechnical Engineering, Bucharest, Romania, 7/06/23.

Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials. / Vardanega, Paul J; Gan, J. S.
European Geotechnical Engineering - Unity and Diversity: Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania. ed. / Irina Lungu; Iancu-Bogdan Teodoru; Loretta Batali. Vol. 1 Işai, România: Politehnium Publishing House, 2023. p. 35-42.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials

AU - Vardanega, Paul J

AU - Gan, J. S.

PY - 2023/6/7

Y1 - 2023/6/7

N2 - To investigate the variation of undrained shear strength with changes in water content, determination of a value of undrained shear strength at the liquid limit is needed. There is debate as to the extent of the typical range of values of undrained shear strength at the liquid limit. In this paper, the undrained shear strength is measured using the miniature laboratory shear vane apparatus and compared with values back-analysed from British Standard fall-cone test data. Four geomaterials: Kaolin, Bentonite, Chalk and Bothkennar clay were selected for testing. The variation of the undrained shear strength values from both testing approaches with changing water content was also studied and compared with the results of previous work. The paper reports a narrow range of undrained shear strength values at the liquid limit for the geomaterials tested.

AB - To investigate the variation of undrained shear strength with changes in water content, determination of a value of undrained shear strength at the liquid limit is needed. There is debate as to the extent of the typical range of values of undrained shear strength at the liquid limit. In this paper, the undrained shear strength is measured using the miniature laboratory shear vane apparatus and compared with values back-analysed from British Standard fall-cone test data. Four geomaterials: Kaolin, Bentonite, Chalk and Bothkennar clay were selected for testing. The variation of the undrained shear strength values from both testing approaches with changing water content was also studied and compared with the results of previous work. The paper reports a narrow range of undrained shear strength values at the liquid limit for the geomaterials tested.

KW - Fall-cone

KW - Miniature laboratory shear vane

KW - Undrained shear strength

KW - Water content

KW - Liquidity index

M3 - Conference Contribution (Conference Proceeding)

SN - 978-973-621-522-3

VL - 1

SP - 35

EP - 42

BT - European Geotechnical Engineering - Unity and Diversity

A2 - Lungu, Irina

A2 - Teodoru, Iancu-Bogdan

A2 - Batali, Loretta

PB - Politehnium Publishing House

CY - Işai, România

T2 - 17th Danube - European Conference on Geotechnical Engineering

Y2 - 7 June 2023 through 9 June 2023

ER -

Vardanega PJ, Gan JS. Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials. In Lungu I, Teodoru IB, Batali L, editors, European Geotechnical Engineering - Unity and Diversity: Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania. Vol. 1. Işai, România: Politehnium Publishing House. 2023. p. 35-42

Comparison of data from fall-cone and laboratory vane tests to investigate undrained shear strength for some fine-grained materials

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