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shaking table test liquefaction

  • shaking table test with finn model: simulation of the

    shaking table test with finn model: simulation of the

    Mar 23, 2021 · It can be seen that the effective stress reaches zero after about 15 cycles of shaking (2 seconds at 5 Hz). At this point, liquefaction can be said to occur. This test is …

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  • factors influencing sand re-liquefaction in shaking table test

    factors influencing sand re-liquefaction in shaking table test

    Jan 20, 2021 · Cases of historical earthquakes show that liquefied sand deposits may undergo re-liquefaction yet again by a succeeding earthquake. However various factors such as the depth of sand deposits, peak ground acceleration, and shaking duration of an earthquake can affect the re-liquefaction occurrence. To understand this underlying mechanism, a series of shaking table experiments were performed by varying the depth of sand model, peak ground acceleration, and shaking duration of input motion

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  • studies on development of pore water pressure and

    studies on development of pore water pressure and

    Apr 24, 2018 · The occurrence of free field liquefaction is almost instant and it could be clearly monitored in a shake table test. It is observed that for all the test results, that liquefaction proceeds in the downward direction for the laboratory... It is observed that for all the test results, that

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  • (pdf) shaking table tests to investigate the influence of

    (pdf) shaking table tests to investigate the influence of

    This paper presents the shaking table studies to investigate the factors that influence the liquefaction resistance of sand. A uniaxial shaking table with a perspex model container was used for the

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  • (pdf) shaking table test of soil liquefaction in southern

    (pdf) shaking table test of soil liquefaction in southern

    ABSTRACT On 27 May 2006, a 6.3 Mw earthquake hit Yogyakarta Special Province, Indonesia. This earthquake triggered a unique phenomenon, i.e., liquefaction. In order to learn from that earthquake

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  • centrifuge shaking table tests on 4 4 pile groups in

    centrifuge shaking table tests on 4 4 pile groups in

    Jul 11, 2018 · Shaking table tests on adjacent piles without connecting pile cap or superstructure have been conducted to discuss the shielding effect of the front pile for piles behind it in lateral spreading ground . Dynamic load distribution and coupling of inertial and kinematic interaction in pile groups are fundamental to understanding the mechanism of seismic response and to improving the seismic …

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  • evaluation of reliquefaction resistance using shaking

    evaluation of reliquefaction resistance using shaking

    Cases of modern and prehistoric liquefaction illustrate that sand deposits can be liquefied again (or "reliquefied") by a subsequent earthquake after initially liquefying during seismic shaking. In order to test the validity of two postulates regarding reliquefaction mechanisms and to examine the role of gradational characteristics on reliquefaction resistance, 1g shaking table tests were performed using five sands …

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  • liquefaction investigation on sea walls by shaking table tests

    liquefaction investigation on sea walls by shaking table tests

    Ghalandarzadeh A, Towhata I, Takashi O. “Shaking table tests on seismic behavior of quay walls subjected to backfill liquefaction.” Geotechnical Earthquake Engineering and Soil Dynamics Conference ASCE, Seattle, May 1998

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  • shaking table tests to investigate soil desaturation as a

    shaking table tests to investigate soil desaturation as a

    Apr 26, 2012 · Shaking Table Tests to Investigate Soil Desaturation as a Liquefaction Countermeasure | Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground Downloaded 154 times Workshop on Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground

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  • shaking table test on the seismic failure characteristics

    shaking table test on the seismic failure characteristics

    Jan 31, 2013 · In order to investigate the seismic failure characteristics of a structure on the liquefiable ground, a series of shaking table tests were conducted based on a plaster model of a three‐story and three‐span subway station. The dynamic responses of the structure and ground soil under main shock and aftershock ground motions were studied

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  • a pneumatic shaking table and its application to a

    a pneumatic shaking table and its application to a

    Nov 10, 2012 · Using the pneumatic shaking table, a liquefaction test on saturated sand was conducted. During liquefaction, both the stiffness and acceleration response of the ground greatly decreased. In comparison to the sharp increase in excess pore water pressure (EPWP) when liquefaction started, the dissipation process lasted for a much longer time period

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  • seismic response of a bridge pile foundation during a

    seismic response of a bridge pile foundation during a

    Di Laora and Rovithis investigated the dynamic characteristics of the pile by simplifying the Winkler foundation beam model and putting forward the concept of the effective length of the pile foundation and conducted a theoretical calculation of the liquefaction at the site. A shaking table test (STT) is commonly used to study the characteristics of piles embedded into different types of soil

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  • shaking table test of soil liquefaction in southern yogyakarta

    shaking table test of soil liquefaction in southern yogyakarta

    On 27 May 2006, a 6.3 Mw earthquake hit Yogyakarta Special Province, Indonesia. This earthquake triggered a unique phenomenon, i.e., liquefaction. In order to learn from that earthquake event, an intensive study based on an experimental test of liquefaction potential using a …

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  • re-liquefaction of sand in shaking table - iopscience

    re-liquefaction of sand in shaking table - iopscience

    Feb 01, 2020 · Re-liquefaction of Sand in Shaking Table. Dikshit Babu Nepal 1, ... In the shaking table experiment, the settlement, the excess pore water pressure and the acceleration response of the sand in the process of reliquefaction were measured. ... In the model test, the attenuation of seismic shear wave acceleration is not only related to distance

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  • experimental study on mitigation of liquefaction-induced

    experimental study on mitigation of liquefaction-induced

    Dec 04, 2018 · Shaking table test The sand container used had dimensions of 1500 mm length, 750 mm width, and 750 mm height and built from galvanized steel and acrylic/plexiglass. The sand layer in the sand container was divided into two parts, which are not–liquefiable, composed of dense sand with a relative density ( Dr ) 90%, and liquefiable sand

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  • centrifuge shaking table tests on effect of vertical drain

    centrifuge shaking table tests on effect of vertical drain

    The centrifugal shaking table tests was performed in which liquefiable soil models treated via vertical drain of geosynthetic material and sand pile system as countermeasures to illustrate the behaviors that are important for predicting the performance of treated site

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  • effect of past history on liquefaction resistance of level

    effect of past history on liquefaction resistance of level

    Dec 04, 2018 · In general, it is also governed by past-liquefaction history. To study the effect of liquefaction history on liquefaction resistance of level ground in more detail, a series of shaking table tests was performed on loose and dense silica sand models. Small base acceleration was implemented on loose models and then increased up to 1000 gal

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  • results of a class c blind prediction competition on the

    results of a class c blind prediction competition on the

    Feb 21, 2020 · ABSTRACT. This paper presents the results of a class C numerical blind prediction based on a large-scale shaking table test which was recently conducted at UCSD on a shallow foundation located on top of liquefiable soils. The organized blind prediction was focused on predicting the liquefaction-induced permanent settlements at multiple locations at free-field as well as on the …

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  • shaking-table tests for immersed tunnels at different sites

    shaking-table tests for immersed tunnels at different sites

    Apr 26, 2017 · The shaking-table tests introduced in this paper were designed differently from previous experiments in the following ways: a relatively large model structure with a reduced scale of 1 : 30 is used, a fabricated rubber joint that could be easily implemented in the test was designed, both a dry sand site and liquefied sand ground were taken into account, and an overlying water level above the ground …

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