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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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article
Stress and time-dependent properties of crushed chalk
Abstract
<p>Although nearly all occurrences of putty/remoulded chalk can be problematic for geotechnical engineers, laboratory studies of its mechanical properties remain infrequent. This paper presents results of a laboratory programme to characterise the mechanical behaviour of reconstituted samples from crushed chalk. Using non-destructive wave velocity propagation measurements by bender elements, a full characterisation of the small-strain shear stiffness (G<sub>0</sub>) for a range of stress levels and overconsolidation ratios is provided for the first time. The time-related small-strain stiffness and strength gains have also been investigated by ageing fully saturated reconstituted chalk samples under different isotropic stresses for a period up to 72 d. While the increase in strength was found to be negligible, an increase of the soil shear stiffness with time was recorded. Such increase appears to be mostly related to secondary (creep) deformations, although some further increase was also observed when measurable deformations ceased. Beyond the initial shear stiffness, the overall shear behaviour appears to be unaffected by the ageing and is mostly governed by the consolidation stress history and density. These experimental results are expected to benefit the design of geotechnical structures in contact with remoulded or putty chalk, in particular when assessment of small deformation behaviour (serviceability) is required.</p>