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Shaking Table Effects

Influence of shaking table process parameters on …

Conventional chromite beneficiation plants of India discards large tonnage of chromite values as plant tailing. In the present investigation, a typical chromite beneficiation plant tailing of Sukinda region has investigated by using wet shaking table for the effective utilisation of the natural resource. In this context, the effect of different process variables such as wash water flow rate ...

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Effects of Interaction between Dual Shaking Tables and …

In this paper, the further analysis of the interaction effects on system performance of the dual shaking tables with specimen was carried out, and force feedback compensation was …

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Shaking Table (Theory OF Gravity Separation) Final

Various series of experiments were conducted to inspect the effect of the table inclination angle and the feed size range on the table performance, grade, and recovery. The assay of the feed ranged from 30 % to 35 % Cr 2 O 3. ... The …

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Shaking table test of the effects of multi‐unit particle …

A series of shaking table tests of a three-storey steel frame with the particle damper system were carried out to evaluate the performance of the system and to verify the analysis method. An analytical solution based on the discrete element method is also presented.

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Effect assessment for the interaction between shaking table …

The control-structure interaction (CSI) between shaking table and eccentric load has lately received considerable attention for causing the accuracy degradation of shaking …

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Dynamic responses of steep bedding slope-tunnel system …

For this, the large-scale shaking table tests were carried out to explore the dynamic responses of steep bedding slope-tunnel system under the coupling effect of rainfall and earthquake. Results show that the slope surface and elevation amplification effect exhibit pronounced nonlinear change caused by the tunnel and weak interlayers.

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Soil lateral boundary effect in shaking table model test of …

By using numerical simulation and shaking table model test, the problems of soil lateral boundary effect in shaking table model test for soil-structure system are discussed. The efficiency of rubber layers set onto soil lateral boundaries is also studied in this paper. Some conclusions, which will guide the design of soil-structure system model ...

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Investigation on the nonlinear interaction between electro …

The electro-hydraulic shaking table is a crucial experimental apparatus used in earthquake engineering to simulate real vibration condition [1], [2].Through various methods such as full-scale shaking table test [3], [4], reduced-scale shaking table test [5], [6], and shaking table substructure test [7], [8], researchers can assess the seismic behavior of test structures …

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Shaking table test for near-valley underground station: …

Despite their prevalent use, the effect of underground diaphragm walls on the seismic response of stations is not yet fully understood. In this paper, a series of 1-g shaking table tests is designed to investigate the seismic response of a near-valley station with underground diaphragm walls within the elastic range.

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Solved A shaking table used to study the effects of

A shaking table used to study the effects of accelerations on electronic equipment undergoes SHM with an amplitude of 200 mm. At what frequency will the maximum acceleration equal 10g? Here's the best way to solve it.

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Shaking table test on progressive collapse of the double …

Therefore, the effects of infilled walls on double-layer cylindrical reticulated shell was investigated by a series of progressive collapse tests with shaking table. In order to evaluate the seismic performance and the capacity of resisting progressive collapse, the structural dynamic characteristics and response laws were obtained under ...

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Shaking Table: How Many Types And How To Choose It?

Shaking tables, also known as shaking concentrators or gravity separation tables, are equipment for mineral processing and ore separation based on density, particle size, and shape differences. They are widely used in mining to separate valuable minerals from gangue or waste materials. Shaking Table Types. There are many ways to classify shaking tables, …

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Development of a Large Shaking Table Test for Sand …

For large shaking table tests, the attachment of flexible s is a cost-effective method to control the boundary effect. Generally, half of the model specimen is free of the boundary effect and undergoes a correct simple shear condition for liquefaction analysis.

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(PDF) ANALYSIS OF SHAKING TABLE-STRUCTURE INTERACTION EFFECTS …

Interaction effects between shaking table and structure are first studied by analysing the response of a two DOF (degree of freedom) oscillator with mechanical properties representative of the actuator-table-structure system. A single DOF viscoelastic oscillator representing the structural test specimen is then included in the analytical model ...

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Shaking table tests on the stability of dip and anti-dip rock …

Moreover, several shaking table tests have investigated the effects of rapid water drawdown (RWD) on the seismic response of rock slopes with discontinuities. Through time-frequency analysis, these studies investigated the spectral and energy propagation characteristics of reservoir rock slopes under RWD conditions.

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Shaking table tests on the seismic responses of …

A series of shaking table tests were conducted in this study to investigate the effects of the groundwater level on the seismic response of underground structures in coral sand. The dynamic responses, such as the pore water pressure, acceleration, soil pressure, strain and settlement are tested and analyzed for four different groundwater levels.

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Study on the interaction between shaking table …

The control-structure interaction (CSI) between shaking table and eccentric load is one of the most important reasons causing the accuracy degradation of shaking table test. At present, the eccentr...

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Experimental and numerical study on the seismic response …

Such tasks were composed of (1) performing a shaking table test for a nuclear electric cabinet, (2) proposing and manufacturing a TMD shape design applicable to the target cabinet, (3) confirming the seismic response reduction effect of such TMD on the cabinet using additional shaking table tests, and (4) the establishing and validating ...

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Effect assessment for the interaction between shaking table …

To appraise whether the CSI effects can be ignored in shaking table test, a novelty effect assessment is proposed. Two steps are involved in proposing the assessment. The first step is the ...

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Damage characteristics and evaluation analysis of tunnel …

To verify and evaluate the boundary effect of the model, the EL Centro wave with a peak acceleration of 0.1 g is applied to the shaking table, and the model's acceleration signals are recorded. In the context of a tunnel crossing the main sliding surface, the analysis of acceleration curves in Fig. 9 indicates that the acceleration waveform and ...

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Shaking table tests on fault-crossing tunnels and aseismic effect …

To verify the aseismic effect of grouting, a model with grouting around the tunnel within the fault and one without grouting was constructed. ... In this study, shaking table tests for tunnels crossing inactive faults were conducted, and the aseismic effect and seismic mitigation mechanism of grouting were investigated using the test results ...

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SHAKING TABLE TESTS ON SEISMIC RESPONSE …

KEY WORDS: Shaking table test Rocking system Base plate Earthquake response reduction Smart structure 1. INTRODUCTION It is pointed out that effects of rocking vibration (up-lifting response) can reduce the seismic damage of buildings subjected to strong earthquake ground motions [1][2]. Based on this knowledge, we are now developing the rocking

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Mechanism study on the interaction effects of …

Wang 12 and Li 26 examined the STTSI effect between dual shaking tables and structures, highlighting the notable influence of the coupling effects between the two shaking tables on the modal strain energy within the frequency range of …

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Shaking Table Test on Dynamic Damage Characteristics of …

Abstract. This article performs groups of shaking table tests to study the dynamic damage characteristics of the slope that is composed with inclined bedrock, upper overburden soil layer, and weak soil interlayer. The prototype is of the entrance slope of the Mount Zheduo tunnel, which is located in the mountains of the western Sichuan Plateau in China. The test model is …

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Shaking Table Test and Numerical Simulation Study of the

The shaking table (digitally controlled) can input three-dimensional (horizontal + vertical + pitch) excitation. The working area of the shaking table measured 4 m × 3 m, and the maximum load capacity was 10 t, while the maximum horizontal and vertical acceleration were 1.0 g and 0.7 g, respectively. The operating frequency range was 0–50 Hz.

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Shaking table test of fault site effect on seismic response of …

In this study, shaking table tests were conducted to investigate the fault site effect and seismic response of fault-crossing tunnels. The hanging wall effect is the results of the geometric effect due to the asymmetric distribution of inclined fault.

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Shaking table test on the seismic performance of …

The shaking table had a size of 5 m × 5 m, and a maximum load of 30 t. The earthquake excitations with a maximum acceleration of 2 g and a frequency range of 0–100 Hz could be input in the shaking table. Fig. 1 displays the laminar shear model box [13] employed during shaking table tests. It had a length of 3.5 m, width of 2.2 m, and height ...

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Shaking table test and control effect analysis of structure …

The paper entitled "Shaking table test and control effect analysis of structure with negative stiffness damped outrigger" is our original unpublished work and has not been submitted to any other journal for review. No conflicts of interest are involved in this work. All authors have read and approved the final submitted manuscript.

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Mechanism study on the interaction effects of shaking table …

Tang et al. 19 analysed the STTSI effect between a shaking table and a multi-degree-of-freedom structure, demonstrating that SSI influences the Modal Strain Transformation (MST) at the structure's natural frequency. Guo et al. 20 investigated the STTSI effects on shaking table tests. The investigation emphasises the notable impact of structural nonlinearity …

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Shaking table test study of a surface frame …

In this study, a large-scale shaking table test was performed on a surface frame structure–sand–tunnel system with a basement under the background of two tunnels connecting Zhangjiacun Station with Chenzhai Station in Zhengzhou, China, and which pass at under and side-through positions of a company's office building at a mileage ranging from approximately …

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