geomechanical behaviour of uncemented expanded

Geomechanical Behaviour of Uncemented Expanded Polystyrene ...

AMA Style. Abbasimaedeh P, Ghanbari A, O’Kelly BC, Tavanafar M, Irdmoosa KG. Geomechanical Behaviour of Uncemented Expanded Polystyrene (EPS) Beads–Clayey Soil Mixtures as

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Geomechanical Behaviour of Uncemented Expanded Polystyrene ...

Compared to uncemented EPS sand [16,17] or clay mixtures , the present laboratory study investigates utilizing 0.5 to 1.5 wt.% particulate EPS beads as partial replacement for clayey sand and their effects on the resulting geomechanical and hydraulic behaviour/properties. As described in this paper, a comprehensive testing programme was ...

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Geomechanical behaviour of uncemented expanded polystyrene ...

2021_Geomechanical behaviour of uncemented expanded polystyrene (EPS) beads–clayey soil mixtures as lightweight fill_Geotechnics (MDPI).pdf (PDF) 7.364Mb

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Geomechanical Behavior of Bio-Cemented Sand for Foundation ...

Oct 01, 2019  The study on the geomechanical behavior of bio-cemented Sydney sand was carried out using unconfined compression strength (UCS) tests and triaxial tests. To date there have been limited numbers of triaxial tests reported on soil cemented by microbes, and owing to differences in soil type and cementation methodology, these have provided variable ...

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Soil-Structure Interaction Research Papers - Academia

Geomechanical behaviour of uncemented expanded polystyrene (EPS) beads–clayey soil mixtures as lightweight fill Lightweight fill can be advantageous in embankment construction for the purposes of reducing the (i) bearing pressures on the underlying soil foundation, (ii) destabilizing moments for constructed earthen slopes, and (iii) earth ...

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Civil Structural Environ Eng

Geomechanical behaviour of uncemented expanded polystyrene (EPS) beads clayey soil mixtures as lightweight fill  O'Kelly, Brendan ( 2021 ) Lightweight fill can be advantageous in embankment construction for the purposes ofreducing the (i) bearing pressures on the underlying soil foundation, (ii) destabilizing moments forconstructed earthen ...

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Soil Mechanics Research Papers - Academia

Geomechanical behaviour of uncemented expanded polystyrene (EPS) beads–clayey soil mixtures as lightweight fill Lightweight fill can be advantageous in embankment construction for the purposes of reducing the (i) bearing pressures on the underlying soil foundation, (ii) destabilizing moments for constructed earthen slopes, and (iii) earth ...

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Geomechanical Model - an overview ScienceDirect Topics

Geomechanical models have been introduced to qualify the impact of key parameters that control the extent and complexity of productive stimulated rock volume (Huang et al., 2014).Microseismic data is used to calibrate the geomechanical model. Figure 9.21 shows the complex fracture network geometry coupling with microseismic data and synthetic microseismic events.

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3D Geomechanical Modeling of Salt-Creep Behavior on ...

In this study, a 3D geomechanical model is developed, using data such as wellbore pressure and temperature, formation stress and temperature, rock, cement, and casing properties, to predict the effects of salt creep behavior on stress loading in the wellbore casing, which helps to assess the life expectancy of wells in pre-salt reservoirs.

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Geomechanics and geology: introduction Geomechanics and ...

Jan 01, 2017  Geomechanics investigates the origin, magnitude and deformational consequences of stresses in the crust. Perhaps the earliest description of geology and mechanics was from the sandbox experiments of Willis (1891), and many of the guiding principles were developed by Anderson (1951), Hubbert Willis (1957), Jaeger Cook (1979) and Engelder (1992), with input from engineering

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Civil Structural Environ Eng

Geomechanical behaviour of uncemented expanded polystyrene (EPS) beads clayey soil mixtures as lightweight fill  O'Kelly, Brendan ( 2021 ) Lightweight fill can be advantageous in embankment construction for the purposes ofreducing the (i) bearing pressures on the underlying soil foundation, (ii) destabilizing moments forconstructed earthen ...

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‪Brendan C. O'Kelly‬ - ‪Google Scholar‬

Geomechanical Behaviour of Uncemented Expanded Polystyrene (EPS) Beads–Clayey Soil Mixtures as Lightweight Fill P Abbasimaedeh, A Ghanbari, BC O’Kelly, M Tavanafar, KG Irdmoosa Geotechnics 1

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CHOPS Evolution Creating CHOPS Contiguously from Toe

Geomechanical behavior of unconsolidated sandstone coupled with foamy oil flow is more successful in explaining observed CHOPS production behaviour2. The simplest description of the geomechanical stress condition is: Fluid Pressure + Horizontal Stresses = Vertical Stresses. Removing fluid puts the system into imbalance. Uncemented

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Geomechanical aspects of reservoir thermal alteration: A ...

Apr 01, 2017  This behavior has been well identified in clays, shales, and saturated soils (Hueckel and Borsetto, 1990, Laloui and Cekerevac, 2003); however, there is a lack of studies focusing on uncemented sandstones, at least under the scope of this literature review. This thermoporoplastic response may have a considerable effect on the permeability and ...

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Geomechanical effects of CO2 storage in depleted gas ...

Dec 01, 2016  In this paper, the geomechanical impact of large-scale carbon dioxide (CO 2) storage in depleted Dutch gas fields is compared with the impact of CO 2 storage in saline aquifers. The geomechanical behaviour of four potential CO 2 storage sites is examined using flow and geomechanical simulations. Many gas reservoirs in the Netherlands are found in fault blocks, one to

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3D Geomechanical Modeling of Salt-Creep Behavior on ...

In this study, a 3D geomechanical model is developed, using data such as wellbore pressure and temperature, formation stress and temperature, rock, cement, and casing properties, to predict the effects of salt creep behavior on stress loading in the wellbore casing, which helps to assess the life expectancy of wells in pre-salt reservoirs.

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new velocity–pressure–compaction model for uncemented ...

Abstract. Knowledge of the pressure dependence of rock properties is useful for a wide range of earth science problems, especially related to pore pressure cha

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A simple distinct element modeling of the mechanical ...

Feb 24, 2013  The study on the mechanical behavior of methane hydrate-bearing sediments (HBS) in deep seabed is of great significance for the safe exploitation of methane hydrate in the future. Recent studies have shown that the mechanical behavior of HBS is significantly influenced by methane hydrate since it leads to cementation among soil grains. For better understanding its microscopic mechanical ...

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Micromechanical and microstructural DEM modeling of the ...

Li P, Chalaturnyk RJ (2005) Geomechanical Model of Oil Sands presented at the International Thermal Operations and Heavy Oil Symposium, Calgary, Alberta, Canada. Anochie-Boateng J, Tutumluer E, Carpenter S (2008) Permanent Deformation Behavior of Naturally Occurring Bituminous Sands.

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IOS Press Ebooks - Deformation Characteristics of ...

The geomechanical behaviour of shales is quickly becoming one of the most important issues in modern geomechanics, largely driven by the geological storage of nuclear waste, the extraction of shale gas and the sequestration of CO 2. In this context, fundamental issues come along with the complex multiphysical conditions and a deep understanding ...

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Manzar Fawad - Department of Geosciences

The evaluation of caprock geomechanical behaviors is challenging as these properties are site-specific and also influenced by other factors such as exhumation, in-situ stress conditions, the existence of natural fractures, and their orientations. Fawad, Manzar Mondol, MD Nazmul Haque (2019).

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An elastoplastic mechanical constitutive model for ...

Oct 10, 2018  The spatial distribution of the precipitate minerals (i.e., CaCO 3) may also impact on the mechanical behavior of MICP-treated soils [1, 19, 20, 50].For example, Lin et al. [] conducted several sets of triaxial compression tests on MICP-treated samples, showing that the mechanical properties of this type of material are not only controlled by the average (or bulk) CaCO 3 content, but also by ...

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Brendan C . O'Kelly Trinity College Dublin - Academia

Brendan O'Kelly earned bachelor’s, masters and Doctoral degrees in civil and geotechnical engineering in 1992, 1994 and 2000 from University College Dublin, where he held the posts of Pierce-Newman Fellow in Civil Engineering, Research Fellow in Soil Mechanics and Assistant Lecturer in Civil Engineering for successive two-year periods (1994 ...

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International Journal of Geotechnical Engineering ...

The ISSN of International Journal of Geotechnical Engineering is 1938-6362 . An ISSN is an 8-digit code used to identify newspapers, journals, magazines and periodicals of all kinds and on all media–print and electronic. The ISSN (Online) of International Journal of Geotechnical Engineering is 1938-7879 .

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new velocity–pressure–compaction model for uncemented ...

Abstract. Knowledge of the pressure dependence of rock properties is useful for a wide range of earth science problems, especially related to pore pressure cha

get price

A simple distinct element modeling of the mechanical ...

Feb 24, 2013  The study on the mechanical behavior of methane hydrate-bearing sediments (HBS) in deep seabed is of great significance for the safe exploitation of methane hydrate in the future. Recent studies have shown that the mechanical behavior of HBS is significantly influenced by methane hydrate since it leads to cementation among soil grains. For better understanding its microscopic mechanical ...

get price

NHESS - Changes in ground deformation prior to and ...

Geomechanical behaviour of the Pampahasi slope indicates failure nearer to that of sediment than to rock. Both the La Paz Formation and the Pampahasi gravel have compressive strengths well below 1 MPa, the threshold typically used to differentiate between rock

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Micromechanical and microstructural DEM modeling of the ...

Li P, Chalaturnyk RJ (2005) Geomechanical Model of Oil Sands presented at the International Thermal Operations and Heavy Oil Symposium, Calgary, Alberta, Canada. Anochie-Boateng J, Tutumluer E, Carpenter S (2008) Permanent Deformation Behavior of Naturally Occurring Bituminous Sands.

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An elastoplastic mechanical constitutive model for ...

Oct 10, 2018  The spatial distribution of the precipitate minerals (i.e., CaCO 3) may also impact on the mechanical behavior of MICP-treated soils [1, 19, 20, 50].For example, Lin et al. [] conducted several sets of triaxial compression tests on MICP-treated samples, showing that the mechanical properties of this type of material are not only controlled by the average (or bulk) CaCO 3 content, but also by ...

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Coupled Geomechanical and Thermal Simulation of SAGD ...

Coupled Geomechanical and Thermal Simulation of SAGD Process - Análise Térmica - Read online for free. Reservoir Engineering, Steam-assisted gravity drainage, numerical simulation

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Experimental investigation of deformation mechanisms ...

Aug 19, 2013  [8] The modified Cam‐Clay cap elastoplastic model (Figure 1) is described using the differential stress, q = σ 1 − σ 3, and mean effective stress, p ′ = (σ 1 + 2σ 3)/3 − p p, where σ 1 and σ 3 are the vertical applied stress and the confining stress, respectively, and P p is the pore pressure. In the p − q space, the yield surface is described using an ellipse centered on the p ...

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Technology Advances Push Greener Side of Fracing

other uncemented isolation systems. “One notable improvement was the introduction of a continu-ous mix system in the 1980s, eliminating the need to batch-mix large volumes of fluid,” Mr Lafferty said. Topside metering and measurement technology has also improved, including the use Above: High-horsepower pumping equipment, high-perfor-

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International Journal of Geotechnical Engineering ...

The ISSN of International Journal of Geotechnical Engineering is 1938-6362 . An ISSN is an 8-digit code used to identify newspapers, journals, magazines and periodicals of all kinds and on all media–print and electronic. The ISSN (Online) of International Journal of Geotechnical Engineering is 1938-7879 .

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International Journal of Geotechnical Engineering ...

About. The International Journal of Geotechnical Engineering (YJGE) currently publishes 8 issues a year. The aim of the journal is to provide an international platform for disseminating original research and innovative applications in all topics of geotechnical engineering except in

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Statistical Variations and New Correlation Models to ...

In this study, over 1000 data from the several research studies was used to characterize and compare the density, strengths, modulus, flexural strength, porosity and the ultimate shear strengths of the calcium rocks. The gypsum rock data were statistically analyzed, quantified and compared with the limestone rock data. The ranges of the densities for gypsum rock (CaSO 4 2H 2 O) and limestone ...

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IOS Press Ebooks - Deformation Characteristics of ...

The geomechanical behaviour of shales is quickly becoming one of the most important issues in modern geomechanics, largely driven by the geological storage of nuclear waste, the extraction of shale gas and the sequestration of CO 2. In this context, fundamental issues come along with the complex multiphysical conditions and a deep understanding ...

get price

Md Nazmul Haque Mondol - Department of Geosciences

Modeling maturation, elastic, and geomechanical properties of the Draupne Formation, Offshore Norway. SEG technical program expanded abstracts. ISSN 1949-4645. s 3245- 3249 . doi: 10.1190/segam2019-3215340.1. Mondol, N.H. 2019. Geomechanical and Seismic Behaviors of Draupne Shale: A Case Study from the Central North Sea.

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A new velocitypressurecompaction model for uncemented ...

May 01, 2013  A new velocitypressurecompaction model for uncemented sediments A new velocitypressurecompaction model for uncemented sediments Saul, M. J.; Lumley, D. E. 2013-05-01 00:00:00 Geophysical Journal International Geophys. J. Int. (2013) 193, 905–913 doi: 10.1093/gji/ggt005 A new velocity–pressure–compaction model for uncemented sediments M. J. Saul and D. E. Lumley

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