Machine learning techniques for relating liquid limit obtained by Casagrande cup and fall cone test in low-medium plasticity fine grained soils

Díaz, E.; Pastor, José Luis; Rabat, Álvaro; Tomás, Roberto

doi:10.1016/j.enggeo.2021.106381

Cited by 9 publications

(4 citation statements)

References 23 publications

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“…En la referencia [6], desarrollada en España, se relacionó a través de técnicas, el límite líquido a través de la prueba de la copa de Casagrande. En el proceso de investigación se reunieron 113 muestras para determinar el tipo de suelo con plasticidad media a baja.…”

Section: A Antecedentesunclassified

Soil zoning for foundation purposes in a population center in the Selva Alta del Huallaga, Peru

Guerrero¹,

Alvarado²,

Vasquez³

et al. 2023

Proceedings of the 21th LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leaders

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The population growth, access to services to achieve a better quality of life, access to employment, and other factors have caused rapid urbanization in unsuitable and overcrowded areas in Latin American countries. The 2030 agenda aims to achieve sustainable cities and communities that offer amenities and safety based on construction and planning requirements in line with regional and national development. This motivated the study of a populated area in the Peruvian jungle, conducting a geotechnical zoning of soils based on their chemical, physical, and mechanical properties. Twelve strategically distributed soil pits were excavated in the study area according to the technical requirements of Soil and Foundation standard E050, and this was complemented by six laboratory tests, the most important of which were the Direct Shear and Modified Proctor tests. Based on these, soil types were identified as low and high plasticity clay (CL and CH) and low and high plasticity silt (ML and MH). The Standard Proctor test determined that the maximum density is within the range of 1.598 to 1.933, and the Direct Shear test determined that they exceed the minimum regulatory value of 0.50kg/cm 2 . Regarding the soluble salt analysis, a minimum percentage of salinity was found. Soil zoning maps were developed, and it was concluded that the study area in the Peruvian High Jungle is suitable for constructing buildings no taller than three floors. Additionally, due to its low salinity, the soil can be used as a material for construction using Portland Type I cement

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Section: A Antecedentesunclassified

Soil zoning for foundation purposes in a population center in the Selva Alta del Huallaga, Peru

Guerrero¹,

Alvarado²,

Vasquez³

et al. 2023

Proceedings of the 21th LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leaders

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“…a. Liquid Limit Test Liquid limit describes soil water content between liquid and plastic conditions, determined using the Casagrande test (Rock, 2010;Díaz et al, 2021). Soil liquid limit may decrease due to the sampling process and drying process from 60 °C to 110 °C (Huvaj and Uyeturk, 2018).…”

Section: Atterberg Limit Testmentioning

confidence: 99%

Disposal slope design based on low-plasticity rock’s shear strength in coal mining activities

Hasan

Oktaviani

Trides

et al. 2022

J.Degrade.Min.Land Manage.

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Slope stability is the primary factor in designing a stable slope. The strength of the disposal slope relies on the characteristic of the dump materials. The rock shear strength denotes rock ability to withstand the burden, both constant and dynamic load. The weakest material used as a reference in designing the disposal slope is siltstone in Pulaubalang formation (location-04). The safety value in Location 04 and 02 tend to drop quickly as the inclination increase, while the safety in location 01 and 03 tend to fall slowly. This indicates that rocks with a lower plasticity index tend to be stronger in steeper slope conditions. The slope geometry was designed to be 10, 15, 20, and 25 meters high with a slope angle of 10o, 15o, 20o, 25o, 30o, 35o, 40o, 45o, 50o, 55o, and 60o. The slope geometry is considered stable and safe. However, this study suggests that the most effective slope design is the slope with 25 meters high, overall slope of 25,3o; the single slope of 35o; berm width 4,66 meters, bench height of 5 meters, with the safety factor value of 4.30 (SF= 4.30).

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“…European nations such as the UK, Sweden, and Norway advocate for the FCT over the CPC test for LL determination (Di Matteo, 2012;Kang et al, 2017;Niazi et al, 2020;Díaz et al, 2021). In contrast, the American Society for Testing and Materials (ASTM D 4318, 2000) has adopted the CPC test.…”

Section: Introductionmentioning

confidence: 99%

iquid limit determination of medium to high plasticity Algerian soils using fall-cone vs Casagrande percussion cup methods

Malki

2024

AGG

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Determining the liquid limit (LL) of fine-grained soils is crucial in geotechnical site investigations. For a long time, the Casagrande Percussion Cup (CPC) test has been the standard method for this purpose. Although the Fall Cone Test (FCT) provides more repeatable results compared to the CPC test, its utilization remains limited in Algeria. To assess the effectiveness of the FCT, a comparative study was conducted using mixtures of bentonite and natural soils from Algeria. The choice of bentonite as an additive to soils with low plasticity is in order to formulate new samples with a wide range of plasticity. Our results showed that the LL CONE values slightly exceeded the LL CUP values for natural soil samples with medium plasticity. However, for soils with high and extreme plasticity, the LL CONE values significantly underestimated the LL CUP values. To address this issue, an equation was developed to convert LL CONE measurements to LL CUP values. This equation is consistent with previous literature and could help promote the adoption of the FCT method for geotechnical site investigations in Algeria.

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Machine learning techniques for relating liquid limit obtained by Casagrande cup and fall cone test in low-medium plasticity fine grained soils

Cited by 9 publications

References 23 publications

Soil zoning for foundation purposes in a population center in the Selva Alta del Huallaga, Peru

Soil zoning for foundation purposes in a population center in the Selva Alta del Huallaga, Peru

Disposal slope design based on low-plasticity rock’s shear strength in coal mining activities

iquid limit determination of medium to high plasticity Algerian soils using fall-cone vs Casagrande percussion cup methods

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