Results 251 to 260 of about 32,836 (298)

Effects of Permeability on Liquefaction Resistance and Cone Resistance

Geotechnical Earthquake Engineering and Soil Dynamics IV, 2008
Sands and silty sands with the same liquefaction resistance can have significantly different hydraulic conductivity and coefficient of consolidation. Numerical simulations of cone penetration resistance taking into account the effects of silt content and consolidation characteristics show that the penetration resistances are significantly affected by ...
S. Thevanayagam, N. Ecemis
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Liquefaction resistance of sand reinforced with geosynthetics

Geosynthetics International, 2008
This paper describes an investigation into the performance of geosynthetics in enhancing the resistance to liquefaction of medium dense (Dr = 50%) sand deposits. Cyclic torsional shear tests were carried out on 99 laboratory test specimens under a confining pressure of 98 kPa and a loading frequency of 0.1 Hz.
Altun S., Göktepe A.B., Lav M.A.
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Effect of fines on liquefaction resistance of sand

Innovative Infrastructure Solutions, 2020
To evaluate the effect of non-plastic fines on liquefaction resistance of Babolsar sand, a series of undrained static and cyclic triaxial tests alongside a series of numerical analysis were carried out. The cyclic triaxial tests were conducted in stress-controlled conditions with 1 Hz frequency at 0.35 constant cyclic stress ratio for 50 kPa and 0.25 ...
Asskar Janalizadeh Choobbasti, Hediyeh Selatahneh, Mehrdad Karimi Petanlar   +2 more
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Assessment of Aging Correction Factors for Liquefaction Resistance at Sites of Recurrent Liquefaction

2014
Increases in the strength and stiffness of sands with time have been widely reported. These temporal gains, or “aging effects”, are discernible from both in-situ penetration resistance and liquefaction resistance (CRR), where the rate of increase in CRR exceeds that inferred from in-situ penetration data.
Maurer, Brett, Green, Russell, Misko Cubrinovski, Bradley, Brendon   +3 more
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Liquefaction resistance of sand amended with biochar

Géotechnique Letters, 2020
Biochar is a solid carbon material produced by heating organic biomass in the absence of oxygen through a process known as pyrolysis. Scientists and policy makers have recognised its potential role in carbon sequestration, reducing greenhouse gas emissions, renewable energy, waste mitigation and as soil amendment.
R. Rodrigues de Amorim, R. P. Orense, G. S. Pardo, A. K. Sarmah, W. M. Yan   +4 more
openaire   +1 more source

Resistance to Liquefaction Due to Sustained Pressure

Journal of the Geotechnical Engineering Division, 1977
It has long been recognized that clays increase in strength with time due to consolidation and secondary compression; however, the fact that sands can increase in strength after periods of sustained loading is not so well known. Recently several engineers have suggested that the liquefaction characteristics of in-situ sand deposits are influenced by ...
J. Paul Mulilis, Clarence K. Chan, H. Bolton Seed, Kenji Mori   +3 more
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Re-liquefaction resistance of lightly cemented sands

Canadian Geotechnical Journal, 2022
The re-liquefaction resistance of cemented sands under multiple liquefaction events such as pre-shock, main-shock, and after-shock earthquakes is a complex phenomenon because the response may alter due to bond breakage. A series of multistage liquefaction–re-consolidation soil element tests under undrained stress-controlled cyclic loading condition ...
Habib Rasouli, Behzad Fatahi, Sanjay Nimbalkar   +2 more
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Liquefaction Resistance of Artificially Cemented Sand

Journal of Geotechnical Engineering, 1988
This paper summarizes the experimental results of cyclic triaxial and resonant column tests with artificially cemented sand specimens.
Surendra K. Saxena, Krishna R. Reddy, Anestis S. Avramidis   +2 more
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Re‐assessing liquefaction resistance curves

Batiment International, Building Research and Practice, 1987
A major part of the US‐Japan Co‐operation Programme concerns earthquake research; results are presented here of a study of field practices in those countries and elsewhere of the Standard Penetration Test, in which the equipment and procedures used led to anomalies in energy ratios and N‐values.
Riley N. Chung, H. Bolton Seed, A. G. Franklin, J. A. Farrar   +3 more
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Correlation of cyclic preloading with the liquefaction resistance

Soil Dynamics and Earthquake Engineering, 2005
Abstract The compactivity of sand due to cyclic loading with a high number (N>103) of small cycles (eampl≤10−3) cannot be described by void ratio and stress alone. It depends strongly on the soil fabric usually described as ‘cyclic preloading’.
T. Wichtmann, A. Niemunis, Th. Triantafyllidis, M. Poblete   +3 more
openaire   +1 more source