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Showing 1 to 11 of 11 for “"Liquefaction evaluation"”.
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Development of an Energy-based Liquefaction Evaluation Procedure
Soil liquefaction during earthquakes is a phenomenon that can cause tremendous damage to structures such as bridges, roads, buildings, and pipelines. The objective of this research is to develop an energy-based approach for evaluating the potential for liquefaction triggering. The current …
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Post processing of cone penetration data for assessing seismic ground hazards, with application to the New Madrid seismic zone
… for geotechnical site characterization and the evaluation of seismic ground hazards. In this thesis, software systems including ShearPro, ClusterPro, and InSituData, are developed to automate post processing of these SCPTu data. ShearPro is developed to automate the post-processing of the shear …
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Spatial Variation of Magnitude Scaling Factors During the 2010 Darfield and 2011 Christchurch, New Zealand, Earthquakes
… of strong ground shaking on the inducement of liquefaction within the simplified liquefaction evaluation procedure which is the most commonly used approach for assessing liquefaction potential worldwide. Within the context of the simplified procedure, the spatial variation in the seismic demand …
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Liquefaction Triggering Model for Subduction Zone Earthquakes
Liquefaction is one of the major causes of ground failures during an earthquake. Recent evidence shows that the existing variants of the "simplified" liquefaction evaluation procedure lead to inaccurate results for megathrust earthquakes in subduction interfaces. To overcome this drawback and to …
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Insights into the Liquefaction Hazards in Napier and Hastings Based on the Assessment of Data from the 1931 Hawke's Bay, New Zealand, Earthquake
… several earthquakes in the past during which liquefaction occurred. The 1931 Hawke's Bay earthquake is particularly interesting because it was the deadliest and one of the most damaging earthquakes in New Zealand's history. The study presented herein provides insights into the liquefaction …
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Application of Fatigue Theories to Seismic Compression Estimation and the Evaluation of Liquefaction Potential
Earthquake-induced liquefaction of saturated soils and seismic compression of unsaturated soils are major sources of hazard to infrastructure, as attested by the wholesale condemnation of neighborhoods surrounding Christchurch, New Zealand. The hazard continues to grow as cities expand into …
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Assessment of the Cyclic Strain Approach for the Evaluation of Initial Liquefaction
Field-based liquefaction evaluation procedures include the stress-based, strain-based, and energybased based approaches. The existence of a volumetric threshold shear strain, γtv, under which there is no development of excess pore pressures, and the unique relationship between pore pressure ratio …
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Evaluating Liquefaction Triggering Potential from Induced Seismicity in Oklahoma, Texas, and Kansas
… Texas, and Kansas (OTK) over the last ten years. Liquefaction observed following the 3 September 2016, Mw5.8 Pawnee, OK, induced earthquake raises concerns regarding the liquefaction risk posed by future induced earthquakes. The stress-based simplified liquefaction evaluation procedure is widely …
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Geotechnical Characterisation of Pumiceous Soils for Liquefaction Assessment
… for the geotechnical characterisation and liquefaction assessment of pumiceous soils have long been highlighted by the geotechnical community. In this research, laboratory experiments, such as cyclic/monotonic triaxial tests and bender elements, were performed on high-quality undisturbed …
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Case history-based analysis of liquefaction in sloping ground
Liquefaction is one of the most interesting and controversial phenomenon in geotechnical engineering. This phenomenon has caused numerous slope failures in saturated deposits of fine, loose sands and other cohesionless soils. Because of the catastrophic nature of the failures and their impact on …
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Pore pressure generation and liquefaction analysis using nonlinear, effective stress-based site response analysis
Open Restriction set for Item 109954 on 2020-05-12T14:03:02Z with date null by fschaef2@illinois.edu.