Centrifuge modeling of the effect of preshaking on the liquefaction resistance of silty sand deposits
W El-Sekelly, R Dobry, T Abdoun… - Journal of Geotechnical …, 2016 - ascelibrary.org
Field observations suggest that preshaken natural sands in some seismic regions have high
liquefaction resistance as a result of geologic aging and/or preshaking. This paper focuses …
liquefaction resistance as a result of geologic aging and/or preshaking. This paper focuses …
Liquefaction resistance of a silty sand deposit subjected to preshaking followed by extensive liquefaction
W El-Sekelly, T Abdoun, R Dobry - Journal of Geotechnical and …, 2016 - ascelibrary.org
The effect of extensive liquefaction on the liquefaction resistance of heavily preshaken
saturated silty sand is studied using a centrifuge experiment. The base of a 6-m …
saturated silty sand is studied using a centrifuge experiment. The base of a 6-m …
Centrifuge Modeling of Downward Soil Arching below Excavation Base in Dry Sand
Excavation-induced soil arching is a key factor influencing the responses of the ground and
underlying structures. This soil arching below an excavation base is defined as downward …
underlying structures. This soil arching below an excavation base is defined as downward …
Calibration of non-linear effective stress code for seismic analysis of excess pore pressures and liquefaction in the free field
R Dobry, W El-Sekelly, T Abdoun - Soil Dynamics and Earthquake …, 2018 - Elsevier
The paper presents numerical predictions of excess pore pressure, liquefaction and
settlement response of four centrifuge model tests of 6 m uniform deposits of saturated clean …
settlement response of four centrifuge model tests of 6 m uniform deposits of saturated clean …
Pore Pressure and Evaluation at High Overburden Pressure under Field Drainage Conditions. I: Centrifuge Experiments
This article is the first of two companion papers studying the effect of overburden pressure
on the liquefaction behavior of saturated Ottawa sand. A series of four centrifuge tests were …
on the liquefaction behavior of saturated Ottawa sand. A series of four centrifuge tests were …
Large-scale modeling of preshaking effect on liquefaction resistance, shear wave velocity, and CPT tip resistance of clean sand
R Dobry, S Thevanayagam, W El-Sekelly… - … of Geotechnical and …, 2019 - ascelibrary.org
The effect of preshaking and repeated liquefaction on liquefaction resistance was studied in
a large-scale shaking table experiment, in which a sequence of 51 shakings was applied to …
a large-scale shaking table experiment, in which a sequence of 51 shakings was applied to …
Assessment of state-of-practice use of field liquefaction charts at low and high overburden using centrifuge experiments
W El-Sekelly, R Dobry, T Abdoun - Engineering Geology, 2023 - Elsevier
Practical application of the state of practice field liquefaction charts at low and high
overburden is assessed with centrifuge testing. Available results of four centrifuge …
overburden is assessed with centrifuge testing. Available results of four centrifuge …
Experimental assessment of the stress–strain behaviour of Leighton Buzzard sand for the calibration of a constitutive model
A number of constitutive models are nowadays implemented in numerical codes which
simulate the stress–strain behaviour of soil from very small to large strain. In this paper, the …
simulate the stress–strain behaviour of soil from very small to large strain. In this paper, the …
Identification of soil dynamic properties through an optimization analysis
An identification technique is used to estimate the nonlinear dynamic properties of a soil
deposit using the acceleration records provided by a vertical (downhole) array along with a …
deposit using the acceleration records provided by a vertical (downhole) array along with a …
Shear wave velocity measurement in the centrifuge using bender elements
W El-Sekelly, A Tessari… - Geotechnical …, 2014 - asmedigitalcollection.asme.org
Shear wave velocity is an important parameter for the design of geotechnical systems,
particularly in seismically active areas. The availability of a reliable method for measuring …
particularly in seismically active areas. The availability of a reliable method for measuring …