Varieties Of Submarine Slope Failures
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Varieties Of Submarine Slope Failures
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Author : Karl Terzaghi
language : en
Publisher:
Release Date : 1956
Varieties Of Submarine Slope Failures written by Karl Terzaghi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Slopes (Physical geography) categories.
Varieties Of Submarine Slope Failures
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Author : Karl Terzaghi (Ingénieur Civil, Tchécoslovaquie, Autriche, Etats Unis)
language : en
Publisher:
Release Date : 1957
Varieties Of Submarine Slope Failures written by Karl Terzaghi (Ingénieur Civil, Tchécoslovaquie, Autriche, Etats Unis) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with categories.
Submarine Slope Failures In Gassy Soils
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Author : Shantanu Kar
language : en
Publisher:
Release Date : 2016
Submarine Slope Failures In Gassy Soils written by Shantanu Kar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Submarine slope stability has become an important concern and a subject of research with increasing demand for offshore developments and technological advancement for harsh and challenging environments. The consequences of submarine slope failure adjacent to oil and gas facilities would have a large financial, safety and regulatory impact. This current research work investigates potential failure of submarine gassy slopes triggered by tidal variations. Due to tidal variations, failure of an unsaturated slope may occur under specific combinations of increasing degree of saturation and soil permeability, and decreasing tidal period. Novel physical model tests in a geotechnical centrifuge were undertaken to examine submarine slope failure mechanisms containing gassy sediments. The model preparation techniques, measurement systems and results are presented. The response observed in the model test is discussed and further developments proposed. The buried PPT's response of the submarine slope are comparable in terms of attenuation and phase lag with Nagaswaran (1983) and with field measurements of Atigh and Byrne (2004) in terms of phase lag.
Seismic Initiation Of Submarine Slope Failures Using Physical Modelling In A Geotechnical Centrifuge
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Author : Stephen Edwin Coulter
language : en
Publisher:
Release Date : 2008
Seismic Initiation Of Submarine Slope Failures Using Physical Modelling In A Geotechnical Centrifuge written by Stephen Edwin Coulter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Induced seismicity categories.
Seismic Analysis Of Submarine Slopes
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Author : Alireza Azizian
language : en
Publisher:
Release Date : 2004
Seismic Analysis Of Submarine Slopes written by Alireza Azizian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Response surfaces (Statistics) categories.
Tsunami Signature Of Large Submarine Slope Failures Abstract
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Author : A. G. Dawson
language : en
Publisher:
Release Date :
Tsunami Signature Of Large Submarine Slope Failures Abstract written by A. G. Dawson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Assessment Of Some Triggering Mechanisms Associated With Submarine Slope Failures On Continental Slopes Utilizing Centrifuge Testing
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Author : Sterling Parsons
language : en
Publisher:
Release Date : 2005
Assessment Of Some Triggering Mechanisms Associated With Submarine Slope Failures On Continental Slopes Utilizing Centrifuge Testing written by Sterling Parsons and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Centrifuges categories.
Studies Of Submarine Slope Failures In The North Atlantic
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Author : Judith Elger
language : en
Publisher:
Release Date : 2016
Studies Of Submarine Slope Failures In The North Atlantic written by Judith Elger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Submarine Mass Movements And Their Consequences
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Author : Sebastian Krastel
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-02
Submarine Mass Movements And Their Consequences written by Sebastian Krastel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-02 with Science categories.
Submarine mass movements are a hidden geohazard with large destructive potential for submarine installations and coastal areas. This hazard and associated risk is growing in proportion with increasing population of coastal urban agglomerations, industrial infrastructure, and coastal tourism. Also, the intensified use of the seafloor for natural resource production, and deep sea cables constitutes an increasing risk. Submarine slides may alter the coastline and bear a high tsunamogenic potential. There is a potential link of submarine mass wasting with climate change, as submarine landslides can uncover and release large amounts greenhouse gases, mainly methane, that are now stored in marine sediments. The factors that govern the stability of submarine slopes against failure, the processes that lead to slope collapses and the collapse processes by themselves need to be better understood in order to foresee and prepare society for potentially hazardous events. This book volume consists of a collection of cutting edge scientific research by international experts in the field, covering geological, geophysical, engineering and environmental aspects of submarine slope failures. The focus is on understanding the full spectrum of challenges presented by this major coastal and offshore geohazard.
Numerical Modeling Of Progressive And Retrogressive Failure Of Submarine Slopes With A Sensitive Clay Layer
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Author : Shubhagata Roy
language : en
Publisher:
Release Date : 2018
Numerical Modeling Of Progressive And Retrogressive Failure Of Submarine Slopes With A Sensitive Clay Layer written by Shubhagata Roy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Submarine landslides are major concerns in offshore oil and gas development activities, as they can displace an enormous amount of sediment compared to onshore landslides. Among the different triggering factors identified in the past, the presence of a weak strain-softening clay layer and earthquake loading have been considered the primary causes of many large-scale landslides. Depending upon geometry, loading conditions and sediment properties, different types of failure patterns (e.g., slab, spread, ploughing, run-out) have been observed in the field. In the present study, a Eulerian-based finite-element (FE) approach in Abaqus software is used to study large-scale submarine landslides for varying slope angles. The main objective of the present study is to numerically simulate the failure of submarine slopes with strain-softening clay layers triggered by two factors: i) shear strength reduction in a thin zone of soil which could be occurred due to gas hydrate dissociation, and ii) earthquake loading. Two approaches are used to model earthquake loading: (i) complete dynamic modeling base on acceleration-time history and (ii) modified pseudostatic loading with a simplified pulse of horizontal acceleration. A model for strain-softening behaviour of clay is implemented in the FE simulation, and analyses are performed for varying slope angles over a large seabed section. The FE simulations show that an initial shear band of sufficient length parallel to the seabed in the steeper part of the slope could cause a large-scale landslide by progressive formation of failure planes, both in upslope and downslope areas. In upslope areas, the failure pattern is similar to spreads commonly observed in sensitive clay slopes in onshore environments. In downslope areas, the failures tend to be similar to ploughing. The obtained failure patterns, ploughing distances, and retrogression distances for both types of earthquake loading are compared. Simple pulse-type pseudostatic loading can be used to reasonably model earthquake-induced landslides.