Geotechnical characterization and behaviour of Argentinean collapsible loess

Rinaldi, Víctor A.; Zeballos, Marcelo E.; Rocca, Ricardo J.

doi:10.1201/noe0415426916.ch16

Cited by 9 publications

(4 citation statements)

References 26 publications

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“…The SASW technique applied in the adjacent area of the test field [28] gave values of V S ¼ 1602180 m=s near the surface, while for depths larger than 3 m values of V S ¼ 1902225 m=s were reported. Down-hole tests performed by Rinaldi et al [35] are in the range of V S ¼ 2002320 m=s for depths up to 5 m. These results show that the values obtained using different experimental techniques may exhibit marked differences among them. The differences among these techniques are attributed to the extension of the soil profile covered during the tests, considering possible heterogeneousness inside each stratum, to the capacity of each technique of mitigating the experimental noises, and to the consistency between the analytical and experimental versions of the target function, among other factors.…”

Section: Analysis Of Resultsmentioning

confidence: 71%

Experimental estimation of soil profiles through spatial phases analysis of surface waves

Ceballos

Prato

2011

Soil Dynamics and Earthquake Engineering

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Section: Analysis Of Resultsmentioning

confidence: 71%

Experimental estimation of soil profiles through spatial phases analysis of surface waves

Ceballos

Prato

2011

Soil Dynamics and Earthquake Engineering

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“…Oedometric modulus was measured in 134 studied samples, effective shear strength parameters in 87 samples, and total shear strength parameters in 35 samples. They are important parameters to determine the geotechnical behaviour [ 29 ] of the geological environment interacting with engineering-geological structures or in connection with anthropogenic changes. Considering the fact that mechanical properties are influenced by consistency, it is advisable to classify the studied samples according to consistency and later evaluate their parameters.…”

Section: Resultsmentioning

confidence: 99%

Properties of the Loess Sediments in Ostrava Region (Czech Republic) and Comparison with Some Other Loess Sediments

Marschalko

Yilmaz

Fojtová

et al. 2013

The Scientific World Journal

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This study deals with a methodical identification and evaluation of physical-mechanical properties of one genetic type of geological structure. This is represented by an engineering-geological zone of eolian sediments, which is regionally rather abundant. The paper contributes to a need to identify typical soil properties for widespread geological environments in a particular region and thus add to good engineering geologists and geotechnical engineers' awareness in the region. Such information is much required as it permits comparing results of newly conducted engineering-geological investigations and research with the results characteristic for the region in question. It is vital for engineering geologists and geotechnical engineers to be sufficiently informed on the foundation soil properties of widespread geological environments because of professionalism and higher quality of their work results. Comparing other loess sediment studies worldwide it was discovered that the physical properties of the most abundant clays of low to medium plasticity, sandy clays, and sands as foundation soils vary as for the plasticity index, porosity, natural water content, and bulk density to a certain extent but not as significantly as once expected.

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“…This produces significant settlements that affect civil infrastructure and structures that suffer significant distortions (Rocca et al, 2006). Loessial soils cover approximately 10% of the continents, including North America, Europe, Asia and South America (Rinaldi et al, 2007). The most significant loess formations are found in Argentina (Iriondo, 1997;Zárate, 2003), the Czech Republic (Marschalko et al, 2013), China (Kukla and An, 1989), Russia (Little et al, 2002), Spain (Günster et al, 2001) and the USA (Leighton and Willman, 1950).…”

Section: Main Characteristics Of Loessmentioning

confidence: 98%

Geothermal energy in loess

BidarmaghzAsal

Makasis

NarsilioGuillermo

et al. 2016

Environmental Geotechnics

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Ground-source heat pump (GSHP) systems efficiently heat and cool buildings by using sustainable geothermal energy accessed by way of ground heat exchangers (GHEs). Loess covers vast parts of the world, about 10% of the landmass; therefore, the use of piles or 'micropiles' is extensive in these areas, particularly where the thickness of loessic soils is significant. These deep foundations have the potential to be used as 'energy piles' in GSHP systems, with a minimal additional cost. This paper presents a case study of a representative real building in Córdoba, Argentina, where foundations are also used as GHEs. The thermal properties of local soils were experimentally measured and used in recently developed detailed state-of-the-art finite-element models. Results from the realistic simulations show that the partial substitution of electrical heating and cooling systems with geothermal systems could significantly reduce energy consumption and the size of associated infrastructure, despite the relatively low thermal conductivity of local loess. Moreover, the effects of surface air temperature fluctuations, which are routinely ignored in GHE design, are accounted for in these simulations. This case study shows the potential of GSHP technology in loessic environments and gives incentives to engineers to start considering the technology in their designs and practices.

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Geotechnical characterization and behaviour of Argentinean collapsible loess

Cited by 9 publications

References 26 publications

Experimental estimation of soil profiles through spatial phases analysis of surface waves

Experimental estimation of soil profiles through spatial phases analysis of surface waves

Properties of the Loess Sediments in Ostrava Region (Czech Republic) and Comparison with Some Other Loess Sediments

Geothermal energy in loess

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