Shaking Table Test Of Large Scaled Slope Model Subjected To

Nov 05 2019 shaking table tests were performed to investigate whether the coupling effect of rainfall and earthquake induces the loess slope instability the loess slope model was made by using the similarity ratio based on a real slope artificial rainfall was carried out and then seismic waves were loaded step by step to adopt a large shaking table of 4ampx22176ampx2009m

To investigate its seismic performance a shaking table test with a 130 scale model is carried out in structural laboratory in wuhan university of technology the dynamic characteristics and the responses of the model subject to different seismic intensities are investigated via the analyzing of shaking table test data and the observed

However it is also important to understand the conditions of slopes after slope failure accordingly the authors carried out a series of shaking table tests with largescale slope models the models consist of a model with weak layer and a model which has high response acceleration at top of the slope

Dec 01 2020 taking a bedding rock slope with weak structural plane as the prototype a shaking table test with a similarity ratio of 110 is designed and carried out by analyzing the acceleration and displacement responses at different positions of the slope the seismic response and instability mechanism of rock bedding slope under different seismic amplitudes frequencies and durations are

Severe distress eeri 2001 the model test on the shaking table is one of the ways to study the behavior of embankment slopes under dynamic condition in the laboratory clough and pirtz 1956 performed the first welldocumented shaking table study of slopes seed and clough 1963 also used shaking table tests to study the earthquake

Quakes however the largescale shaking table tests could accurately clarify the dynamic stability of rock slopes with discontinuities under the two triggers in shaking table tests the model size ground motion input parameters and waveform can be controlled based on the case studies to enable the slope dynamic responses to be measured accu

Centrifuge model tests on the dynamic response of slopes subjected to water storage at the toe area g xu i o rzuoka ii h ueda iii i ph ptudent department of civil and earth resources engineering kyoto university dokasho uji hyoto 6110011 japan

Abstract a largescale shaking table experiment of loess slope supported by frame anchors with a 110 similarity ratio was designed and completed by loading seismic waves of different types acceleration peaks and durations the dynamic response laws of model slope under earthquake action were discussed and the seismic performance of the supporting structure with frame anchors was evaluated

Pdf on sep 1 2013 keita abe and others published analytical study of seismic slope behavior in a largescale shaking table model test using fem and mpm find read and cite all the research

Fig 3 shows the dimensions of the straightslope model as in the aforementioned tazhiping case the slope angle of the model was 32 degrees fig 4 shows detailed acceleration time histories fig 5 plots the ratio of maximum acceleration amplitude along the vertical array in the slope a1 to a5 in fig 2 to the shaking table acceleration

Shaking table experiment of a model slope subjected to a pair of repeated ground motions and seed raymond b shaking table experiment of a model slope subjected to a pair of repeated ground motions 2001 international conferences on recent advances ground motions was adjusted to reflect the reducedscale of the model tests test

Aug 26 2020 based on the similarity theory a largescale shaking table test of a shallow doublearch tunnel under unsymmetrical pressure with a similarity ratio of 1 20 was designed and completed and a foam concrete damping layer was set in the doublearch tunnel the acceleration response strain response and crack distribution of doublearch tunnels under different intensities and

Oct 08 2018 largescale shake table test verication of bridge condition assessment methods yangbo chen phd1 maria q feng masce2 and serdar soyoz phd3 abstract methods that identify structural component stiffness degradation by pre and postevent low amplitude vibration measurements based on a linear timeinvariant lti system model are conceptually justied by

Effective method of model test therefore in this paper a shaking table test with a geometric scaling ratio of 130 was built to analyze the seismic response of the softhard rock junction of tunnel portals firstly the test setup sensors modified waves and test procedures was described in detail

Limitations of the most recognized approaches to assess seismic slope stability are reviewed and explained in addition a previous shakingtable model is used for reference and scaled up to realistic proportions to calculate its seismic displacement using different methods including a finite element model in the commercial software plaxis2d

The whole failure process of slope was obtained by using piv technique in largescale shaking table model tests 11 gong et al conducted five static overload tests on soilrockmixture slope

The dynamic characteristics and the responses of the model subject to different seismic intensities are investigated via the analyzing of shaking table test data and the observed cracking pattern of the scaled model finite element analysis of the shaking table model is also established and the results are coincident well with the test

In this research largescale shaking table model tests were conducted to study slope behavior under earthquake conditions the model slope was installed into a model box with a length of 44 m

Nov 05 2019 up to10cash back a similar phenomenon was found in other 1g largescale shaking table tests of slopes xu et al 2008 that is the deposit body shows obvious nonlinear characteristics when subjected to dynamic loading sun et al 2015 on the one hand with increasing ground motion intensity the shear strain of the soil increases the stiffness modulus decreases and

In the aspect of dynamic response law of slope lin et al 1 used largescale shaking table model test to simulate the dynamic response of homogeneous sand slope under earthquake action by

This paper describes a series of shaking table test of a large slope model subjected to vertical and horizontal seismic loading the slope model was constructed using mixed material with silica

The paper presents a shaking table test on a 130scale model of 7storey concretesteel isolated structure with irregularities in both plan and elevation a series of simulated ground motions such as el centro 1940 tangshan 1976 northridge 1940 and an artificial record were included in test

Therefore the dynamic characteristics of the micropile composite structure on the reinforced soil slope were studied by largescale shaking table test under mixed loading the test results demonstrate that the micropile composite structure achieves an ideal effect on the reinforcement of the soil slope under the earthquake action

Top of a shaking table model of 600 mm long and 400 mm high nowadays studies in this particular field are carried out by using advanced shaking tables which allow large models and diverse waves to be investigated liang et al 2005 dong et al 2011 ye et al 2013 in the present study a shaking table

Both largescale shaking table test and parallel finite element fe simulation a threedimensional 3d nonlinear fe model is developed to simulate the target spsi system using the parallel modeling technique with high computational efficiency this fe model of the spsi system is validated by the shaking table test results

Aug 10 2006 the objective of this research is to study the dynamic slope behavior and responses using a shaking table model test to simulate an earthquake induced landslide in a prototype slope the law of similitude after iai 1989 and meymand 1998 was adopted for the determination of the dynamic testing conditions of the model slope the resulting dynamic behaviors of the slope were observed along with

And a largescale shaking table test was successfully performed on a slope with discontinuous bedding and counterbedding joints under rapid water drawdown compared with previous studies the geological structure of the model slope is very complicated in the test and displacement measuring device is

Slope behavior by largescale shaking table model tests kong et al 12 investigated the dynamic failure phenomena of homogeneous rockll dam and cfrd by shaking table tests and discussed the effect of concrete slab on slope stability torisu et al 10 probed into the seismic performance of both earthcore and a surface

Jun 30 2019 23 model box and treatment of boundary the test uses a rigid model box with an internal dimension of 350 cm 150 cm 210 cm length width height and the inside of the model box is treated as follows 10 11 the inner side wall is provided with a 10 cm thick polystyrene foam board to reduce the boundary effect and a smooth polyvinyl chloride film is adhered on the surface to

Mar 30 2001 mar 26th 1200 am mar 31st 1200 am shaking table experiment of a model slope subjected to a pair of repeated ground motions san diego california this paper describes the third of a series of six shaking table experiments conducted as part of ongoing research to evaluate the accuracy and applicability of the newmark 1965 procedure for computing seismically induced