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[email protected]Response of HighStrength Rock Slope to Seismic Waves in a Shaking Table Test by Hanxiang Liu Qiang Xu Yanrong Li The model slopes are subjected to a broad range of shaking levels in Two largescale landslides triggered by the 2008
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Response of HighStrength Rock Slope to Seismic Waves in a Shaking Table Test by Hanxiang Liu Qiang Xu Yanrong Li The model slopes are subjected to a broad range of shaking levels in Two largescale landslides triggered by the 2008
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
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
Seismic slope behavior in a largescale shaking table model massive landslide which caused failure of the slope and occurred test Engineering Geology 86 118133 Meymand Philip J 1998 Shaking table scale model tests of nonlinear soilpile at larger loading amplitude
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
Abstract Physical modeling of liquefaction in 1g shaking table and dynamic centrifuge test become very popular to simulate the ground behavior during earthquake motion 1g shaking table tests require scaled down model ground which can be prepared in three methods water sedimentation moist tamping and dry deposition method
mensional model of loess slope supported by frame anchors was established using PLAXIS 3D The prototype of the model is shown in Fig 2 In order to keep consistent with the shaking table test model the model has a slope height of 12 metres and an angle of 80 degrees The anchor has a length of 16 m and an angle of 10
A brief description of the shaking table test is given here for completeness The rigid container box used in the test has dimensions of 35 m length 10 m width and 15 m height In contrary to dynamic soilstructure interaction problems in physical modeling rigid boundary condition in this
Various types of lithology combinations and structures slopes with discontinuous joints and the slope with weak intercalation 37 38 have been included in the lab test In largescale shaking table tests the model size the ground motion input parameters and waveforms can be controlled based on the case studies to enable the slope
the seismic behaviors of rock slope a series of shaking table tests of scaled rock slope physical models on an inclined base plane and with two joint sets being mutually perpendicular to each other were conducted In addition the acceleration responses on the top bottom and half height of the slope model
As each side of the slope has special material modulus and strength the acceleration data were not smooth In general the amplification of shaking came to its maximum at the top of the slope In the conventional shaking table model test the size of the model is reduced by n times
shaking table was constructed in Japan in the late 19th century and was excited through physical means 9 The modern day technology allows engineers to design shaking tables for use with multidegree of freedom systems The test structures are placed and connected to the shaking table and the specimens are shaken until the point of failure
ods Assessment for Reinforced concrete buildings subjected to Torsion and nonlinear effect SMART 3132 In 2008 a large experimental campaign was launched to carry out seismic tests on an asymmetricreduced scale model of a RC wall based structure by means of the AZALEE shaking table operated by the Nuclear
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
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 deformation in slopes
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
Jan 01 2021 Seismic slope behaviour in a largescale shaking table model test Eng Geol 86 23 2006 pp 118 133 101016jenggeo200602011 Article Download PDF View Record in
Largescale shaking table model test on seismic performance of bridgepilefoundation slope with antisliding piles a case study November 2019 Bulletin of Engineering Geology and the Environment
Largescale shaking table test design Test apparatus and similitude relationship The model test was performed on an electrohydraulic servo earthquakesimulating shaking table The shaking table dimensions are 4 m 2 m and the table is configured to produce horizontal excitations Horizontal Swaves have a primary im
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
Apr 27 2013 To reveal the dynamic behavior of a railway embankment slope subjected to seismic excitation a shaking table model test was performed on a 18 scale embankment slope Different types of seismic wave of differing amplitudes were applied to study the dynamic behavior of the embankment slope and white noise excitations were interspersed among the seismic waves to
shaking table study of slopes Seed and Clough 1963 also used shaking table tests to study the earthquake resistance of sloping core dams Wartman et al 2003 2001 conducted a small scale shaking table test to simulate slope behavior under a 1g gravity field Lin and Wang 2006 used a largescale shaking table test model on sandy slope
Mar 20 2020 In this paper five 1g model shaking table tests with a similitude ratio of 20 were carried out to investigate the seismic behavior of RSRW subjected to combined rainfallearthquake effects The thickness of the foundation was 50 mm and the height of the wall was 250 mm which corresponded to 5 m in the prototype
Mar 12 2019 The dynamic response analysis of horizontal and inclined layered sites using largescale shaking table tests in various directions including the dip direction strike vertical direction slope direction and direction perpendicular to the interface of layered sites is conducted in this study The Fourier spectrum and response spectrum characteristics in the horizontal site are first
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 different
observations from a large scale shake table test on a model of existing pilesupported marine structure subjected to liquefaction induced lateral spreading s mohsen haeri 1 ali kavand 2 javad raisianzadeh 3 hadi padash 4 iraj rahmani 5 ali bakhshi 6 abstract
Largescale shaking table test on dynamic response of bedding rock slopes with silt intercalationJ Chinese Journal of Rock Mechanics and Engineering 34917501757 doi 1013722jcnkijrme20140555
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
May 05 2005 Physical model experiments were performed on a 1 g shaking table with the principal goals of 1 investigating the mechanisms of seismically induced permanent deformations in slopes and 2 assessing the accuracy and applicability of the Newmark sliding block procedure for estimating seismically induced deformations in slopes Each of the clayey slope models deformed in
cost of making the models are themselves high Even if the shaking tables can be rather large usually the models are prepared at reduced scale given the size of full civil engineering structures The preparation of models at reduced scale using laws of similitude is difcult but examples of shaking table tests on large structures are
Jinping Yang Zheng Lu Peizhen Li Largescale shaking table test on tall buildings with viscous dampers considering pilesoilstructure interaction Engineering Structures 101016jengstruct2020110960 220 110960 2020
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
Aug 08 2018 Therefore a series of shaking table tests were conducted in this paper The specimens consisted of three 1 3 scale 3story 3bay wooden horizontal hybrid structures with diverse shear wall distributions and diaphragm stiffness
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
Dec 06 2018 The ratio of the model to prototype is generally determined according to the load capacity and dimension of the available shake table 34 There are tests with 13 scale 4 story buildings structures that are scaled down to 16 and in the case of a massive structure such as a cooling tower the model is scaled 130 If possible full scale
Mar 13 2014 Studies on landslides by the 2008 Wenchuan earthquake showed that topography was of great importance in amplifying the seismic shaking and among other factors lithology and slope structure controlled the spatial occurrence of slope failures The present study carried out experiments on four rock slopes with steep angle of 60 by means of a shaking table The recorded Wenchuan
Evaluation of allowable displacement of retaining walls by shaking table model tests English Centrifuge model tests on geotextile reinforced slope subjected to differential settlements Viswanadham BVS Konig D Experimental study on a large reduced scale model Branque D Doan HV Boutin C 2006
Table 1 List of shaking table model tests Test ID Soil condition Relative density Frequency Hz Amplitude Gal Remarks Test L1 Liquefiable 40 10 300 Large pile group 6 6 Single liquefiable sand layer 5 slope Test L3 Liquefiable 40 10 300 Large pile group 11 11 Single liquefiable sand layer 5 slope
Analytical study of seismic slope behavior in a largescale shaking table model test using FEM and MPM Download Analytical study of seismic slope behavior in a largescale shaking table model test using FEM and MPM
The shaking table test is one of the most effective methods to study and evaluate the seismic performance of complex buildings Many researchers including Li et al 2006 Lu et al 2012b and Ko and Lee 2006 have conducted scaled model tests on shaking tables to study the seismic performance of tall and super highrise buildings
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