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Based on the shaking table model of 1/40 loess tunnel and considering the adverse conditions of El-Centro bidirectional seismic wave and rainfall, the seismic response law of loess tunnel is studied in this paper; the damping effect of the loess tunnel structure is discussed by setting the damping layer. The results show that under the …
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In this research large-scale 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 4.4 m, width of 1.3 m, and height of 1.2 m.
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armature to shake platform (Fig. 14). Note the twist in the armature for strength. Step 3: Lock hex bolt in electric drill.-----Figures 15 and 16 show the final product. When using the shake table, secure it to the table it is resting on using clamps. This will prevent the shake table from walking when the drill is at high RPMs.
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Many shaking table tests have been conducted to study the seismic performance of the U.S.-style SLSC with boundary ... of peak acceleration responses between the numerical simulation results and experimental results is listed in Table 5, Table 6. The proposed modeling method is not applicable when severe damage (many …
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A model for shaking tables around the world, Berkeley's table was originally designed by civil engineering professor Joseph Penzien, with the assistance of fellow faculty member Ray Clough; researcher Dixon Rea …
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Additionally, the polystyrene was laid along the inner side of model box to reduce or avoid the wave reflection in shaking table test [27, 28]. The model of anchoring frame beam in shaking ...
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The shaking table test of the half-bridge model was carried out in the longitudinal direction of the earthquake. Zhang et al., (2020) conducted an underwater shaking table test on single-span bridges, and the seismic performance of the structure in air and in water environments was examined.
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Please visite Shake Table II page. The Quanser Shake Table III XY is a dual-axis, high-powered planar earthquake simulator ideal for more advanced dynamics analysis and research relating to earthquake loss reduction. It is capable of moving high loads of up to 100 kg at high accelerations and velocities.
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Dynamic system modeling. The dynamic model is the motion mechanism part of the shaking table and eccentric load. Without regard to the stiffness and the damping between the platform and the ...
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The shaking table model tests of a rock slope reinforced by pile-anchor structures were firstly performed subjected to a suite of real earthquake records with …
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The shaking table is an old and reliable technique widely used in the mining and recycling industry. The shaking table, also known as gravity separation, has different relative movements against gravitational forces, depending on factors such as weight, particle size, and shape by taking advantage of the density differences between mineral …
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This article describes the modeling of a 5 m × 5 m 6 degree-of-freedom (DOF) shaking table and the subsequent computer simulation of the system's dynamic characteristics. The simulation model is required to aid the development of a closed-loop controller with a bandwidth specified up to 120 Hz, and thus high order dynamics …
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The ore belt of shaking table has the functions of characterizing the shaking table control parameters and analyzing the processing state. Therefore, the study of the feature extraction of the ore ...
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Multiple sets of shaking table model tests of anchored slopes under the excitation of El Centro, Landers and sine waves were carried out. The effect of the type …
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The Timber3D modeling approach included analysis and parameterization of screw-slip data using the Evolutionary Parameter Hysteretic Model, formulation of two-dimensional wall component models, and nonlinear time history analysis of a three-dimensional model of the shake table specimen. The model was shown to reasonably …
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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 …
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shake table: A device for shaking structural models or building components. The movement simulates the ground motions of earthquakes. Also called a shaking table. simulation: Imitating the …
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Before carrying out the shaking table test, the test model first needs to be subjected to six consecutive cycles of freezing and thawing cycles to simulate the freezing and thawing effects of the permafrost environment. After the freezing and thawing are stable, shaking table tests in different seasonal periods are carried out to simulate the ...
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Publishing Open Access research journals & papers | Hindawi
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Introduction to shaking table model tests2.1. Introduction of shaking table and model box. The seismic simulation shaker utilized in this study is a unidirectional shaking table with dimensions of 3m × 3 m. It features a single-layer grid table structure made of steel, capable of supporting a maximum load of 10t.
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A shaking table model test is a traditional but effective method to investigate the failure mode and mechanism of structures under seismic loads due to its flexibility and convenience, as well as the ease with which the relevant parameters are obtained. It is also used to predict the deformation and failure characteristics of dams and verify ...
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The MTS seismic simulator portfolio features a host of standard, pre-engineered and custom tables for evaluating everything from nonstructural infrastructure to structural components and substructures to model-scale and full-scale civil structures. Precise seismic loading in up to six degrees-of-freedom can be applied to a broad array of test …
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A shake table experiment was performed to study the interaction mechanisms of frozen soil-pile foundation in this scenario. Data collected from the shake table experiment were presented and analyzed. ... Three plastic hinges formed on the model pile: one at the ground crust surface, one at the ground crust-loose sand …
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The Shake Table II consists of a top stage driven by a powerful motor that allows it to achieve an acceleration of 2.5 g when loaded with a 7.5 kg mass. The stage has a total travel of 15.2 cm and rides on two ground-hardened metal shafts using linear bearings, which allows for smooth linear motion with low path deflection.
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As recommended by the peer review committee, the shaking table tests of the 1:15-scale structural model were performed. Based on the analysis and shaking table model testing, it was found that the stiffness of the connecting trusses is capable of coordinating the two towers to resist lateral forces jointly even under strong earthquakes.
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Physical model experiments were performed on a I g shaking table with the principal goals of: (1) investigating the mechanisms of seismically induced permanent deformations in slopes, and (2 ...
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Integrating the shaking table conditions with the model material, a comprehensive gravity dam shaking table model test was devised to capture the dynamic response of the model under various dynamic loads. Multiple operational conditions were carefully selected for in-depth analysis. Leveraging the dynamic strain responses, the …
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This paper presents the results of extensive shake table testing and finite element analyses of a small-scale, 1.5-meter-tall shaking table specimen that was designed and scaled to experimentally capture the higher-mode effects of a 125-meter-tall reference tall building. The test specimen is comprised of a simplified superstructure with ...
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Component tests and a series of shaking table tests on a full-scale steel structure equipped with MC-BRBs were carried out to investigate the behavior and capability of this new BRB design for seismic mitigation.The experimental results illustrate that the MC-BRB possesses a stable mechanical behavior under cyclic loadings and provides good ...
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Marine structures located in earthquake-prone areas may be subjected to coupled earthquake and wave–current action and the underwater shaking table (UST) …
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This study aimed to illustrate the seismic performances of anti-slide pile-reinforced bridge foundations in landslides. Based on the anti-slide reinforcement project at Yousuotun along the Chengdu-Lanzhou high-speed railway under construction, shaking table tests were performed on a double-row anti-slide pile-reinforced bridge foundation …
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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 …
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This paper presents experimental results of 1-g shaking table model tests on a 3 × 3 pile group behind a sheet-pile quay wall. The main purpose was to understand the mechanisms of liquefaction-induced large ground deformation and the behavior of the pile group subjected to the lateral soil displacement.
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13 rowsA shaking table test is a method used to simulate seismic performance by subjecting structures, such as curtain walls, to scaled ground motions on a shaking table …
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This study investigates the seismic response and failure mode of a pile–structure system in a liquefiable site by employing a numerical simulation model combined with the shaking-table results of a soil–pile–structure dynamic system. The pile and soil responses obtained from the numerical simulations agreed well with the …
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