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Soil Liquefaction during Recent Large-Scale Earthquakes contains selected papers presented at the New Zealand Japan Workshop on Soil Liquefaction during Recent Large-Scale Earthquakes (Auckland, New Zealand, 2-3 December 2013). The 2010-2011 Canterbury earthquakes in New Zealand and the 2011 off the Pacific Coast of Tohoku Earthquake in
Soil liquefaction is a major concern in areas of the world subject to seismic activity or other repeated vibration loads. This book brings together a large body of information on the topic, and presents it within a unified and simple framework. The result is a book which will provide the practising civil engineer with a very sound understanding of
This book describes recent developments in soil liquefaction engineering and introduces more appropriate procedures than the current ones to evaluate triggering and consequences of soil liquefaction during earthquakes. The topics therefore cover all aspects of soil behaviour following liquefaction during earthquakes. The contents start with new approaches and new findings on characterisation of liquefaction resistance and undrained shear strength of fully saturated, partially saturated, and unsaturated sand, which are fully based on laboratory tests. New approaches and findings are then described on the use of in situ sounding tests for characterising triggering and consequences of soil liquefaction, including post-liquefaction settlement, lateral spreading, and stability against flow slide. All the topics are accompanied by illustrative case history data from recent major earthquakes in Japan.
This text was compiled by the Japanese Geotechnical Society. It describes everything about the remedial measures against liquefaction currently used in Japan following research projects after the Niigata earthquake of 1964.
This book presents comprehensive hazard analysis methods for seismic soil liquefaction, providing an update on soil liquefaction by systematically reviewing the phenomenon’s occurrence since the beginning of this century. It also puts forward a range of advanced research methods including in-situ tests, laboratory studies, physical model tests, numerical simulation, and performance-based assessment. Recent seismic liquefaction-related damage to soils and foundations demonstrate the increasing need for the comprehensive hazard analysis of seismic soil liquefaction in order to mitigate this damage and protect human lives. As such the book addresses the comprehensive hazard analysis of seismic soil liquefaction, including factors such as macroscopic characteristics, evaluating the liquefaction potential, dynamic characteristics and deformation processes, providing reliable evaluation results for liquefaction potential and deformation in the context of risk assessment. “p>
Despite advances in the field of geotechnical earthquake engineering, earthquakes continue to cause loss of life and property in one part of the world or another. The Third International Conference on Soil Dynamics and Earthquake Engineering, Princeton University, Princeton, New Jersey, USA, 22nd to 24th June 1987, provided an opportunity for participants from all over the world to share their expertise to enhance the role of mechanics and other disciplines as they relate to earthquake engineering. The edited proceedings of the conference are published in four volumes. This volume covers: Constitutive Relations in Soil Dynamics, Liquefaction of Soils, and Experimental Soil Dynamics. With its companion volumes, it is hoped that it will contribute to the further development of techniques, methods and innovative approaches in soil dynamics and earthquake engineering.
The Navy has numerous bases located in seismically active regions throughout the world. Safe and effective structural design of waterfront facilities requires calculating the expected site specific ground motion and determining the response of these complex structures to the induced loading. The Navy's problem is further complicated by the presence of soft saturated marginal soils which can significantly amplify the levels of seismic shaking and liquefy as evidenced in the 1939 Loma Prieta earthquake. Liquefaction is a major factor at the waterfront and most of the damage the Navy has sustained from earthquakes can be attributed to it. The presence of unconsolidated loose cohesionless soils and the high water table makes waterfront sites especially vulnerable. This report establishes liquefaction criteria suited for the design of new facilities and upgrade of existing facilities. The criteria developed herein presents reasonable performance standards balancing performance and damage minimization against the cost of implementation.
The workshop aims to provide a fundamental understanding of the liquefaction process, necessary to the enhancement of liquefaction prediction. The contributions are divided into eight sections, which include: factors affecting liquefaction susceptibility and field studies of liquefaction.
Earthquake-induced soil liquefaction (liquefaction) is a leading cause of earthquake damage worldwide. Liquefaction is often described in the literature as the phenomena of seismic generation of excess porewater pressures and consequent softening of granular soils. Many regions in the United States have been witness to liquefaction and its consequences, not just those in the west that people associate with earthquake hazards. Past damage and destruction caused by liquefaction underline the importance of accurate assessments of where liquefaction is likely and of what the consequences of liquefaction may be. Such assessments are needed to protect life and safety and to mitigate economic, envi...
Due to its high energy density, liquid hydrogen is one of the best alternative fuels. As such, Liquefaction: Analysis and Assessment introduces hydrogen liquefaction techniques and provides an outlook concerning common methodology. Basic and conventional cycles used for hydrogen liquefaction are reviewed, and industrial in-service hydrogen liquefaction plants are discussed.The severe accident at the Fukushima Dai-ichi nuclear power plant demonstrated that the phenomena caused by an earthquake may actually cause more disastrous consequences than the vibratory ground motion itself, one of these phenomena being soil liquefaction. The authors propose that an analysis of the liquefaction hazards and consequences should be performed for the safety analysis of nuclear plants.Lastly, the authors address how uncertainties in the liquefied natural gas market are growing as new producers, including the United States and Australia, emerge. In an effort to tackle these market uncertainties, process optimization is an essential part of the liquefied natural gas project. In this instance, an exergy-based method is demonstrated and assessed for both thermodynamic and cost objectives.