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Publications tagged with [clay soils]

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Estimating the amount of conductive and nonconductive constituents in the pore space of sediments by using electrical resistivity logs generally loses accuracy where clays are present in the reservoir. Many different methods and clay models have been proposed ...
Reference: Scientific Investigations Report 2011–5005
Centrifuge tests have been carried out on kaolin clay slopes subject to variations in surface rainfall and humidity corresponding, at model scale, to successive wet and dry seasons in the field. An analysis of the phase ofepisodic regional softening is presented ...
Reference: Geotechnique 61, No. 9, 757–769
A new centrifuge permeameter was developed with the specific objective of expediting the measurement of the hydraulic characteristics of unsaturated soils. The development, theoretical basis, and typical results associated with using the centrifuge permeameter ...
Reference: Journal of Geotechnical and Geotechnical Engineering, ASCE, Vol. 136, No. 8, August, 2010
This paper presents the hydraulic characteristics of an unsaturated, compacted clay, including its soil-water retention curve SWRC and hydraulic conductivity function K function , determined using a new centrifuge permeameter developed at the University ...
Reference: Journal of Geotechnical and Geotechnical Engineering, ASCE, Vol. 136, No. 8, August, 2010
Sulphatic claystones exhibit a heavily swelling behavior and are among the most problematic rocks for tunnelling. Their swelling is usually attributed to the transformation of anhydrite to gypsum. The paper questions this simplistic hypothesis through a qualitative ...
Reference: 59th Geomechanics Colloquy 2010 Session on “Tunnel construction in swelling ground”
The basis of the design of earth and rockfill dams is focused on ensuring the stability of the structure under a set of conditions expected to occur during its life. Combined mechanical and hydraulic conditions must be considered since pore pressures develop ...
Reference: Front. Archit. Civ. Eng. China
It is well known that the foundations of the Leaning Tower of Pisa were stabilised using the method of underexcavation to reduce the southward inclination of the Tower by about 10 percent in combination with controlling the seasonally fluctuating water ...
Reference: International Journal of Geoengineering Case histories, Vol.1, Issue 3, p.156-169.
The paper presents comparison of 2D and 3D analyses of an exploratory adit of a NATM tunnel in stiff clays using two constitutive models (hypoplastic model for clays and Mohr-Coulomb model). The stress-release factor β of 2D simulation has been optimised to ...
Reference: EURO:TUN 2009, 2nd International Conference on Computational Methods in Tunnelling Ruhr University Bochum, 9-11 September 2009
<p>The focus of this study is on potential damages to buildings resulting from expansive soils in Tanzania, particularly clay soils in Kibaha. For the fact that most of the affected structures are founded on expansive soils, a clear understanding of the behaviour ...
Reference: Doctoral Thesis, Division of Soil and Rock Mechanics, Department of Civil and Architectural Engineering, Royal Institute of Technology, Stockholm, Sweden 2008
The responses of the individual base and side components of O-cell load tests on drilled shaft foundations can be evaluated within an elastic continuum framework using results from seismic piezocone tests (SCPTu). The SCPTu is an optimal means for collection ...
Reference: Foundations, Proccedings of the second British Geotechnical Association, International Conference on Foundations - ICOF 2008, Volume one: Piles, Excavations and offshore foundations, 2008