Search Results - "Vanorio, Tiziana"
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Using acoustic velocities and microimaging to probe microstructural changes caused by thermal shocking of tight rocks
Published in Frontiers in earth science (Lausanne) (16-01-2023)“…Introduction: Large scale, Earth processes and bulk rock properties are influenced by underpinning, dynamic, microstructures within rocks and geomaterials…”
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Predicting porosity of binary mixtures made out of irregular nonspherical particles: Application to natural sediments
Published in Advanced powder technology : the international journal of the Society of Powder Technology, Japan (01-08-2019)“…[Display omitted] •An analytical model is developed to predict porosity of binary mixtures.•The effect of both particle size and shape on packing is…”
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Integrating laboratory acoustic measurements, deep neural networks, and micro-CT imaging for characterizing rock brittle deformation
Published in Frontiers in earth science (Lausanne) (11-05-2023)“…Brittle deformation is prevalent in both geological processes and engineered structures, so probing its actions is an important task as much for Earth…”
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Elastic properties of dry clay mineral aggregates, suspensions and sandstones
Published in Geophysical journal international (01-10-2003)“…SUMMARY The presence of clay minerals can alter the elastic behaviour of rocks significantly. Although clay minerals are common in sedimentary formations and…”
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Hydrothermal formation of fibrous mineral structures: The role on strength and mode of failure
Published in Frontiers in earth science (Lausanne) (06-01-2023)“…Studying the mechanisms that control the rheology of rocks and geomaterials is crucial as much for predicting geological processes as for functionalizing…”
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Rock physics of fibrous rocks akin to Roman concrete explains uplifts at Campi Flegrei Caldera
Published in Science (American Association for the Advancement of Science) (07-08-2015)“…Uplifts in the Campi Flegrei caldera reach values unsurpassed anywhere in the world (∼2 meters). Despite the marked deformation, the release of strain appears…”
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Laboratory measurements of elastic properties of carbonate rocks during injection of reactive CO2-saturated water
Published in Geophysical research letters (16-01-2011)“…To investigate the coupled physical and chemical effects of injecting CO2‐rich water into carbonate rock samples, we monitor the elastic and transport…”
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Multi-scale imaging, strength and permeability measurements: Understanding the durability of Roman marine concrete
Published in Construction & building materials (22-02-2021)“…[Display omitted] •Roman marine concrete undergoes ductile creep when tri-axially stressed.•Creep is identified by coupling triaxial loading and time-lapse…”
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Evolution of permeability and microstructure of tight carbonates due to numerical simulation of calcite dissolution
Published in Journal of geophysical research. Solid earth (01-06-2017)“…The current study concerns fundamental controls on fluid flow in tight carbonate rocks undergoing CO2 injection. Tight carbonates exposed to weak carbonic acid…”
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Rock physics and experimentation in decarbonizing the future
Published in Leading edge (Tulsa, Okla.) (01-04-2021)“…The transition to a low-carbon future involves every component of our productive life - from the energy we use, to the buildings we construct, to the materials…”
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Laboratory measurements of elastic properties of carbonate rocks during injection of reactive CO sub(2)-saturated water
Published in Geophysical research letters (01-01-2011)“…To investigate the coupled physical and chemical effects of injecting CO sub(2)-rich water into carbonate rock samples, we monitor the elastic and transport…”
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Confocal laser scanning and atomic-force microscopy in estimation of elastic properties of the organic-rich Bazhenov Formation
Published in Leading edge (Tulsa, Okla.) (01-01-2009)“…Shales are one of the most complicated and intriguing natural materials on Earth. Their multiphase composition is continually evolving over various scales of…”
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Emerging methodologies to characterize the rock physics properties of organic-rich shales
Published in Leading edge (Tulsa, Okla.) (01-06-2008)“…The high price of conventional oil and the ensuing focus on the security of hydrocarbon supplies is a clear signal for broader uses of unconventional sources…”
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ROCK PHYSICS. Rock physics of fibrous rocks akin to Roman concrete explains uplifts at Campi Flegrei Caldera
Published in Science (American Association for the Advancement of Science) (07-08-2015)“…Uplifts in the Campi Flegrei caldera reach values unsurpassed anywhere in the world (~2 meters). Despite the marked deformation, the release of strain appears…”
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Elastic Softening of Limestone Upon Decarbonation With Episodic CO 2 Release
Published in Journal of geophysical research. Solid earth (01-09-2018)“…Reactive transport under confining stress through porous media leads to complex, coupled feedback mechanisms between chemical and physical alteration. We…”
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The rock physics and geochemistry of carbonates exposed to reactive brines
Published in Journal of geophysical research. Solid earth (01-03-2016)“…When carbonate‐rich rocks are brought into contact with an acidic brine their mechanical and acoustic responses depend on many factors including pH, porosity,…”
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Elastic Softening of Limestone Upon Decarbonation With Episodic CO2 Release
Published in Journal of geophysical research. Solid earth (01-09-2018)“…Reactive transport under confining stress through porous media leads to complex, coupled feedback mechanisms between chemical and physical alteration. We…”
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KG²B, a collaborative benchmarking exercise for estimating the permeability of the Grimsel granodiorite – Part 1: measurements, pressure dependence and pore-fluid effects
Published in Geophysical journal international (01-11-2018)“…SUMMARY Measuring the permeability of tight rocks remains a challenging task. In addition to the traditional sources of errors that affect more permeable…”
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