Results 221 to 230 of about 36,982 (276)
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Soil Liquefaction Procedures—a Review
Journal of the Geotechnical Engineering Division, 1977Various procedures used for evaluating soil liquefaction are reviewed and compared. Major emphasis is given to the equivalent uniform cycle procedure and the cumulative damage approach. Simplified versions of these two procedures are used to evaluate the factor of safety against liquefaction for 41 actual cases where liquefaction has or has not ...
Julio E. Valera, Neville C. Donovan
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Liquefaction of Cohesive Soils
Soil Dynamics and Liquefaction 2000, 2000Liquefaction of sand, clean or with some fines content, has been extensively studied over the last three decades and is currently a phenomenon reasonably predictable. The study of cohesive soils behavior during and immediately after cyclic loading is especially difficult because of their structure variability and the major influence of structural ...
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Liquefaction Mechanism for Layered Soils
Journal of Geotechnical Engineering, 1994Results from four centrifuge model tests are presented. Three of the model tests involve layered soil deposits subject to base shaking; one model test involves a uniform soil deposit of sand subject to base shaking. The layered soil models consisted of fine sand overlain by a layer of relatively impermeable silica flour (silt).
Gregg L. Fiegel, Bruce L. Kutter
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Soil Liquefaction: Mechanism and Assessment of Liquefaction Susceptibility
2013The basic mechanisms of earthquake-induced soil liquefaction are introduced by considering the shaking of a block on a thin granular layer, which mechanical behaviour is modelled with a hypoplastic constitutive model. If the block is founded on a dry cohesionless soil or drainage of the granular layer is fully allowed, the soil densifies and the block ...
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Soil Liquefaction and Countermeasures
2014The mechanism of soil liquefaction caused by earthquake ground motion and the soil conditions for the occurrence of liquefaction is explained. Liquefaction-induced damages to structures during past earthquakes, such as subsidence and inclination of buildings and bridges, uplift of underground structures, collapse of quaywalls and embankment are ...
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Computer Simulation of Soil Liquefaction
GeoCongress 2006, 2006Soil liquefaction is a phenomenon that develops in loose saturated sand deposits during earthquakes (or other disturbances) that can cause great damage. In an effort to raise awareness of such a hazard, a computer simulation model of soil liquefaction was developed using STELLA (a computer program for model building and simulation).
Sherif A. Elfass +2 more
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Stochastic Dynamics of Soil Liquefaction
1991A probabilistic analysis of sand liquefaction under random seismic loads is presented. The principal features of the methodology are: (i) considers the effects of underlying soft cohesive layers on the severity of shaking; (ii) represents the earthquake ground motions as random processes and calculates the response of the soil deposit in terms of its ...
A. H-S. Ang, J. A. Pires
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Numerical Models For Soil Liquefaction.
1979PhD ; Civil engineering ; University of Michigan, Horace H. Rackham School of Graduate Studies ; http://deepblue.lib.umich.edu/bitstream/2027.42/178919/2/8007766 ...
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Design Problems in Soil Liquefaction
Journal of Geotechnical Engineering, 1987An attempt is made to clarify some aspects of the problems encountered in evaluating the stability of embankments under conditions where a potential for soil liquefaction exists. It is suggested that at the present time, the most prudent method of minimizing the hazards associated with liquefaction‐induced sliding and deformations is to plan new ...
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