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Shaking table system

The shaking table is configured to produce three translational components of motion; vertical and two horizontal, plus three rotational components; pitch, roll and yaw. These six degrees of freedom can be programmed to reproduce any wave forms within the capacities of force, velocity, displacement, and frequency of the system. The shaking table

  • 5. DESIGN OF SHAKING TABLE SYSTEM COMPONENTS

    5. DESIGN OF SHAKING TABLE SYSTEM COMPONENTS

    The method used for the design of the shaking table system components is similar to those described by Muhlenkamp [5] and Twitchell [19]. First, typical earthquake records were analyzed and chosen. Then, the hydraulic system components were chosen, based

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  • Iterative Feed-forward Control of Shaking Table System

    Iterative Feed-forward Control of Shaking Table System

    shaking table system is required to follow the specific reference signals even at the extreme situation such as plant nonlinear dynamics, substantial external loads, and large disturbances. For this purpose, an iterative feed-forward control based on the inverse of a measured frequency response function is usually used for the shaking table(3),(4)

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  • SHAKING TABLE DYNAMICS: RESULTS FROM A TEST

    SHAKING TABLE DYNAMICS: RESULTS FROM A TEST

    The primary objectives of the research presented here are two-fold: (1) to shed light into the dynamic performance of asmall-tc-medium size, uni-axial, servo-hydraulic, displacement-controlled shaking table system, and (2) to validate a linearised dynamic model of the system (in the form of the total shaking table transfer function) developed

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  • (PDF) Shaking table - ResearchGate

    (PDF) Shaking table - ResearchGate

    The system hardware features a shaking table, a laser interferometer, an interface board – enterely produced at OGS – that allows for A/D conversion between the laser interferometer and the

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  • Earthquake Simulator Laboratory | Pacific Earthquake

    Earthquake Simulator Laboratory | Pacific Earthquake

    The Shaking Table is configured to produce three translational components of motion; vertical and two horizontal, plus three rotational components; pitch, roll and yaw. These 6 DOF can be programmed to reproduce any wave form within the capacities of force, velocity, displacement and frequency of the Shaking Table system. The Shaking Table

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  • FLSmidth shaking tables – upgrading gold concentrates

    FLSmidth shaking tables – upgrading gold concentrates

    However, with our shaking tables, we have kept safety at the forefront of our minds. Not only do we offer an automated tabling system that requires minimal direct contact from workers, but our non-automated variant has been engineered to be easily accessible, eliminating the need for workers to reach across an active table to manipulate valves

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  • Seismic Simulation Shaking Table System of SKLGP Has

    Seismic Simulation Shaking Table System of SKLGP Has

    In the morning of May 14,2021, the Seismic Simulation Shaking Table System Acceptance Meeting was held in Conference Room 318 of the State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (hereinafter referred to as SKLGP) of the Chengdu University of Technology(CDUT). The acceptance panel, led by Shen Yusheng, professor of Southwest Jiaotong University, was comprised

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  • OFFLINE TUNING OF SHAKING TABLES

    OFFLINE TUNING OF SHAKING TABLES

    The shaking table system is mechanically “clean” with low friction, unconstrained actuators and high performance capabilities, thus providing an ideal system for numerically modeling the shake table and servo-hydraulic system. RESONANT SPECIMEN Most specimens tested using a shake table system have resonant force feedback and damping. The

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  • Shaking table test of a multi-story subway station under

    Shaking table test of a multi-story subway station under

    Mar 01, 2016 Shaking table. The shaking table test was carried out using the MTS Company shaking table facility at the State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University. The table can be input with three-dimensional and six-degree-of-freedom motions. The dimensions of the table are 4 m 4 m

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  • Shaking table test method of building curtain walls using

    Shaking table test method of building curtain walls using

    In shaking table testing of the CW system, the two coordinates of the PP can be simulated by applying the IP deformation with a specially designed loading frame, then exciting the test specimen by the shaking table in the out-of-plane direction. PPs are accurately reproduced and the seismic performance of the CW system is evaluated

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  • Shaking table tests of an arch-pillars system and design

    Shaking table tests of an arch-pillars system and design

    Sep 20, 2014 In arches and vaults, tie-rods play a decisive role in counterbalancing horizontal thrusts produced by both permanent and seismic loadings. In this paper, the effectiveness of flexible tie-rods to improve the seismic response of arch-pillars system is assessed by means of shaking table tests and simple analytical models, developed in the framework of displacement-based design. The reduced

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  • Applied Sciences | Free Full-Text | Optimal Design and

    Applied Sciences | Free Full-Text | Optimal Design and

    The electro-hydraulic earthquake simulation shaking table is the most important piece of equipment for replicating actual earthquake vibration environments, and can be used for the earthquake resistance test in the field of civil and architectural engineering [].For the large-span structures, such as bridges, dams, railways and pipelines, etc., the shaking tables system composed of more than

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  • Differential Movement Synchronous Tracking Control

    Differential Movement Synchronous Tracking Control

    The system of nine subarray shaking tables, composed of nine single shaking tables of 1 m 1 m, can be used in shaking table’s array experiments with diversified forms and in various positions. Figure 1 shows the structure of the double-shaking table system

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  • 3. DESCRIPTION OF SHAKING TABLE SYSTEM

    3. DESCRIPTION OF SHAKING TABLE SYSTEM

    The earthquake simulator is a system that consists of several components which must be designed to effectively work together. Each component was designed with the needs of the entire system in mind. 3.2. DESIGN CONCEPT The design concept of the UPRM Earthquake Simulator was the design of a small uni-directional electro-hydraulic shaking table

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  • Lineardynamicmodelingofauni-axialservo

    Lineardynamicmodelingofauni-axialservo

    understanding of the table}payload dynamic interaction is essential for thoughtful design and proper results interpretation of shaking table experiments. The paper rst presents the development of a linear analytical dynamic model of a uni-axial, stroke (displacement) controlled shaking table system in the form of the total shaking table

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  • Shaking Table Model Testing on Dynamic Soil-Structure

    Shaking Table Model Testing on Dynamic Soil-Structure

    SHAKING TABLE MODEL TESTING ON DYNAMIC SOIL-STRUCTURE INTERACTION SYSTEM Xilin Lu1, Peizhen Li2, Yueqing Chen3 and Bo Chen4 SUMMARY Shaking table model tests on dynamic Soil-Structure Interaction (SSI) system are described in this paper. In the design and fabrication of the test models, the similitude formulas and similitude factors of all

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  • Research On Control System Of Shaking Table Based On Two

    Research On Control System Of Shaking Table Based On Two

    Shaking table test is an effective method of research on aseismic performance of structures. However, shaking table system is a very complicated nonlinear system, errors between feedback and desired signal could not be neglected. The quality of the table's

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  • A 1-g shaking table investigation on response of a

    A 1-g shaking table investigation on response of a

    Nov 15, 2018 Seismic response of full-scale micropile system to the input earthquake ground motions has been estimated using the inverse scaling factors for 1-g shaking table experiments. 9. The finite element model developed for this study could simulate the conditions of shaking table experiments, including the seismic site effects and soil–micropile

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