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Modelling A Largescale Uniaxial Shaking Table

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1 High performance uniaxial shaking table

1 High performance uniaxial shaking table The main shaking table is an earthquake simulator able to replay every recorded natural earthquake testing large specimens Its main characteristics are reported in the following Structure of the tableCellular steel structure with high stiffness and low mass It was designed to withstand high stress

Low Cost Uniaxial Shake Table for Harmonic Excitation

1 A Structural model having table platform of size 3m x 8m and ISMC sections length 9m by providing a 4 number of roller support in order to move table in a uniaxial direction 2 The model is analyzed and designed in such a way that a table platform can withstand a maximum load of 50kg 3

Seismic slope behavior in a largescale shaking table

Aug 10 2006 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 width of 13 m and height of 12 m

Shaking table model tests of concrete containment vessel

Nov 01 2016 A largescale shaking table failure model test was carried out for CCV The weak regions of the CCV under earthquake were identified The failure mode of the CCV was investigated The prototype PCCV for CPR1000 nuclear power plant had sufficient seismic safety margin

Shaking Table Test and Numerical Simulation for Dynamic

Mar 11 2020 Based on the similarity theory two physical models of the doublearch tunnel with and without the damping layer are set Through the shaking table test and numerical simulation the damping effect of the foam concrete damping layer on the acceleration stress displacement and internal force of the shallowburied bias doublearch tunnel is studied

Shaking table tests to investigate the influence of

Mar 21 2014 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 model tests and saturated sand beds were prepared using wet pluviation method The models were subjected to horizontal base shaking and the variation of pore water pressure was measured

Centrifuge Shaking Table Testsshaking Table

Centrifuge Shaking Table Tests On Saturated Reinforced Centrifuge Shaking Table Tests On Saturated Reinforced This paper discusses effects of saturation of backfill on seismic stability of reinforced soil wall by using the centrifuge shaking table tests before the shaking table test static stability of reinforced soil wall with saturated backfill was investigated by raising the water level

A Simulation of Three Dimensional Shaking Table Tests

Keywords Nonlinear Dynamic Analysis Edefense Three Dimensional Shaking Table 1 GENERAL INSTRUCTIONS Nonlinear analysis has been growingly adopted as a useful tool for both seismic design and research The adequacy of the constituent member models are usually investigated by static tests of small scaled models of structural members

Seismic Response of Soil Slopes in Shaking Table Tests

Large scale shaking table tests could reproduce the process of deformation and failure of slopes in eld Tension cracks emerged at the top and upper part of the model while the bottom of the model remained intact which was consistent with the eld observations Through shaking table tests on model slopes with different combinations of

The tracking control of uniaxial servohydraulic shaking

In this paper research results for improvement of tracking performance of servohydraulic shaking table are presented Servohydraulic shaking table system is totally nonlinear due to the nonlinear flow property in a cylinder by actuation of servo valve And it is demanded for the shaking table system to track arbitrary trajectories up to high frequency even at the extreme situations such as

Rock Characterisation Modelling and Engineering Design

Rock Characterisation Modelling and Engineering Design Methods contains the contributions presented at the 3rd ISRM SINOROCK Symposium Shanghai China 1820 June 2013 The papers contribute to the further development of the overall rock engineering design process through the sequential linkage of the three themes of rock characterisation modelling and design methods

Seismic Response of Soil Slopes in Shaking Table Tests

Oct 26 2016 To study the effect of reinforcement type and quantity on the response of model slopes in this study a series of shaking table tests were carried out on model slopes reinforced with different quantities of geotextile and geogrid Model slopes were constructed to an angle of 45 using poorly graded sand Acceleration of base shaking and shaking frequency were varied in different tests

Shaking table tests on soil retaining walls reinforced by

Apr 01 2015 Ling et al 2005 carried out the large scale physical model tests on 28 m high models Also Matsuo et al 1998 performed a series of shaking table tests on the walls with 10 m and 14 m height and Sakaguchi 1996 used 15 m high walls On the other hand a number of researchers performed model tests with smaller walls

Largescale shaking table model tests on seismically

Mar 01 2016 A model material for the face slab was developed according to similitude rules PIV was used and improved to track the motion of each grain and measure the entire velocity fields of the deforming crosssections of the dam models The shaking table model dams were also simulated using the FLAC program

Modelbased multimetric control of uniaxial shake tables

Phillips Phillips et al 2014 proposed a modelbased multimetric control method for uniaxial shaking tables during which the feedforward and feedback links was incorporated to accurately

Shaking Table Study on PET StripsSand Mixtures Using

Shaking table used in the current study is a uniaxial investigated using the shaking table and largescale Shaking tables are used for physical modelling in earthquake geotechnical

A control framework for uniaxial shaking tables

In this study a control framework for uniaxial shaking tables is proposed which incorporates a feedback controller into a weighted command shaping controller It implements through outerloop control in addition to the conventional existing proportionalintegral innerloop control

LargeScale Shaking Table Test of Seismic Response Laws

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

PDF Shaking Table Facility at IISc and Development of

The shaking table facility can be utilized to carry out the model studies under dynamic conditions on the reduced physical models or prototype models Some of the studies

Linear dynamic modeling of a uniaxial servohydraulic

PeiChing Chen ChinTa Lai KehChyuan Tsai A control framework for uniaxial shaking tables considering tracking performance and system robustness Structural Control and Health Monitoring 101002stc2015 24 11 2017

Development of the Shaking Table and Array System

Shaking table is important experimental equipment to carry out antiseismic research Research conclusion comparison and analysis concerning the developmental history constructional situation performance index control algorithm and experimental technique of the internal shaking table were reviewed and compared Such functional parameters as internal shaking tableampx2019s tableboard