| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Diambra, Andrea
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Lateral bearing factors and elastic stiffness factors for robotic CPT p-y module in undrained claycitations
- 2022Axial shear friction of polypropylene pipes against granular beds
- 2021Relationship between texture of polypropylene coatings and interface friction for sand at low stress levelscitations
- 2021Relationship between texture of polypropylene coatings and interface friction for sand at low stress levelscitations
- 2021Stiffness of granular soils under long-term multiaxial cyclic loadingcitations
- 20213D FE-informed laboratory soil testing for the design of offshore wind turbine monopilescitations
- 2021Stiffness of artificially cemented sands:insight on characterisation through empirical power relationshipscitations
- 2021Stiffness of artificially cemented sandscitations
- 2020Small to large strain mechanical behaviour of an alluvium stabilised with low carbon secondary mineralscitations
- 2020Polypropylene pipe interface strength on marine sandy soils with varying coarse fractioncitations
- 2019Strength anisotropy of fibre-reinforced sands under multiaxial loadingcitations
- 2019Cyclic polypropylene pipeline coating interface strength with granular materials at low stress
- 2019Cyclic polypropylene pipeline coating interface strength with granular materials at low stress
- 2019Stiffness of lightly cemented sand under multiaxial loadingcitations
- 2019Stiffness of lightly cemented sand under multiaxial loadingcitations
- 2019Effect of orientation of principal stress axes on cyclic liquefaction potential of soils
- 2019Effect of orientation of principal stress axes on cyclic liquefaction potential of soils
- 2018Compacted Chalk Putty-Cement Blends:Mechanical Properties and Performancecitations
- 2018Compacted Chalk Putty-Cement Blendscitations
- 2018Stress and time-dependent properties of crushed chalkcitations
- 2018Time and stress dependent strength and stiffness of reconstituted chalkcitations
- 2017Particle soil crushing: passive detection and interpretation
- 2017Evolution of elastic properties of granular soils under very large of number of multiaxial stress cycles
- 2016Evolution of small strain stiffness of granular soils with a large number of small loading cycles in the 3-D multiaxial stress space
- 2016Small strain stiffness evolution of reconstituted medium density chalk
- 2010Static liquefaction of fibre reinforced sand under monotonic loadingcitations
Places of action
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document
Effect of orientation of principal stress axes on cyclic liquefaction potential of soils
Abstract
Soil liquefaction is a large loss of strength and stiffness induced by pore pressure build up often triggered by cyclic motions such as earthquakes. Its occurrence has historically created major collapses and life losses worldwide. Different laboratory techniques have been employed to estimate the cyclic stress ratio to produce soil liquefaction, imposing variation of either shear and normal stresses. However, rotation of principal stress axes invariably occurs during cyclic earthquake motion but this aspect, which has been noted to have a major effect, has not been yet appropriately investigated. Using the Hollow Cylinder Torsional Apparatus, this research has investigated how varying the orientation of principal stress axes (with respect to the material axes) can affect the liquefaction potential of soils. The results of experimental programme demonstrate that there is a critical orientation of principal stress axes, different from the commonly employed triaxial or simple shear con-ditions, for which a minimum cyclic stress ratio is obtained.