Founded 1934 by Prof. Dr Stefan Bončev
A Geo-Sciences Journal of the Geological Institute “Strashimir Dimitrov”, Bulgarian Academy of Sciences
Official Journal of the Carpathian-Balkan Geological Association

Correlation between the liquid limit of clay derived by the Vasiliev and Casagrande test methods

Pages: 
pp. 23-37
Boriana Tchakalova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
Boyko Berov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
Abstract: 

The liquid limit is one of the most commonly used index properties of soils. The paper compares liquid limit values determined by the Vasiliev cone penetrometer method and by the Casagrande cup method, based on 45 natural clay samples collected from the Kozloduy Town area (North Bulgaria). An empirical correlation based on these liquid limit results has been derived.

Keywords: 

liquid limit, loess soil, Casagrande apparatus, Vasiliev apparatus

DOI: 
10.52321/GeolBalc.50.3.23
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VOLUME 50 (3)/December 2021

DETAILS

Vladimir Hristov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Nikolay Stoyanov
University of Mining and Geology “St Ivan Rilski”, 1700 Sofia, Bulgaria
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Simeon Valchev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Aleksey Benderev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

The thermal waters in Sofia City (Bulgaria): importance, condition and problems

Svetoslav Petrussenko
National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000 Sofia, Bulgaria
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Chavdar Karov
National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd, 1000 Sofia, Bulgaria

The mineral diversity of the Urdini Lakes and the glacial valley of the Urdina River (Rila Mountain) – an overview

Boriana Tchakalova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
|
Boyko Berov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Correlation between the liquid limit of clay derived by the Vasiliev and Casagrande test methods

Antoaneta Frantzova
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Risk assessment of geological disaster in the region of Primorsko Municipality

Trajče Stafilov
Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Sts Cyril and Methodius University, 5 Arhimedova, 1000 Skopje, North Macedonia
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Robert Šajn
Geological Survey of Slovenia, 14 Dimičeva, 1000 Ljubljana, Slovenia
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Danica Damčevska
Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Sts Cyril and Methodius University, 5 Arhimedova, 1000 Skopje, North Macedonia
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Claudiu Tănăselia
INCDO-INOE 2000 Research Institute for Analytical Instrumentation (ICIA), Cluj-Napoca, Romania

Use of multivariate statistical methods to determine spatial distributions of chemical elements in soils (Mariovo region, North Macedonia)

Miroslav Krastanov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria
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Boyko Berov
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Assessment of the factors affecting slope stability in the southern part of the Sofia Kettle

Nikolay B. Piperov
Institute of General and Inorganic Chemistry, Department of Analytical Chemistry, Bulgarian Academy of Sciences, Acad. G. Bontchev Str., Bl. 11, 1113 Sofia, Bulgaria
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Sylvina Georgieva
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

Stable isotope (δD, δ18O) data on the structural water of two sericite samples from the Cu-Au high-sulphidation deposit Chelopech, Bulgaria – a tentative study

Lubomir Metodiev
Geological Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria

In memoriam: Professor Alexandra Vladimirova Harkovska, DSc (January 15, 1935 – October 4, 2021)

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