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Shake table test of positive hybrid

PEER Shake Table Facility 20 ft x 20 ft table size Still the largest 6 DOF shake table in the US Can test structures, weighing 100,000 lbs, to horizontal accelerations of 1.5 g +/- 5 in. horizontal displacement capacity +/- 2 in. vertical displacement capacity +/- 40 in./sec velocity capacity . 23

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  • Hybrid Shake Table Testing: Overview, Theory, and
    Hybrid Shake Table Testing: Overview, Theory, and

    May 12, 2018 PEER Shake Table Facility 20 ft x 20 ft table size Still the largest 6 DOF shake table in the US Can test structures, weighing 100,000 lbs, to horizontal accelerations of 1.5 g +/- 5 in. horizontal displacement capacity +/- 2 in. vertical displacement capacity +/- 40 in./sec velocity capacity 38

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  • MDOF Hybrid Shake Table Testing for Bridge and
    MDOF Hybrid Shake Table Testing for Bridge and

    Motivation Many structures exhibit significant rate of loading effects Need testing to occur at or near real time Large systems such as tall buildings, long- span bridges, or SFSI are difficult to test on shake tables Shaking Table Numerical Model Hybrid Shake Table Shaking Table Numerical Model

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  • Real-time hybrid simulation in a shaking table
    Real-time hybrid simulation in a shaking table

    Dec 15, 2015 In addition to hybrid simulation capability that can imitate equipment's interaction with its support structure, the real-time hybrid simulation platform described earlier is a high-performance long-stroke uniaxial shake table. When it is used in a shake table configuration, the test response spectrum envelops the IEEE693 High Performance Level

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  • Response of hybrid isolation system during a shake table
    Response of hybrid isolation system during a shake table

    Jun 21, 2018 A full-scale 5-story steel moment frame building was subjected to a series of earthquake excitations using the E-Defense shake table in August, 2011. For one of the test configurations, the building was seismically isolated by a hybrid system of lead-rubber bearings and low friction roller bearings known as cross-linear bearings, and was

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  • Timber–Reinforced Concrete Core Hybrid System: Shake Table
    Timber–Reinforced Concrete Core Hybrid System: Shake Table

    This paper reports the design and a shake table test of timber frame-reinforced concrete (RC) core hybrid systems. Three specimens (S1, S2, and S3) are tested: S1 and S2 are both one-story

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  • Development of the Shaking Table and Array System
    Development of the Shaking Table and Array System

    Apr 10, 2019 2.3.3. Research on Hybrid Test Technology of Shaking Table. To solve the limit bearing capacity of shaking table for large structure test, scholars from all over the world conducted a wide variety of researches. The combination of substructure technique and shaking table test is an effective way to solve this problem . Hybrid vibration test

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  • Shake Table Testing | Response Dynamics
    Shake Table Testing | Response Dynamics

    Shake table testing is often used in prototype analysis, failure analysis, shipping vibration testing and vibration sensitivity testing. We know what boundary conditions are vital for effective testing, how and where to instrument the system, how to deal with off-axis excitation (often not accounted for), and make the most efficient use of testing time

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  • Experimental Simulation of Coupled Response of
    Experimental Simulation of Coupled Response of

    a substructure for the shake table test and that for numerical computation, the test method based on this concept is referred to as the SHST Test (Substructure Hybrid Shake Table Test) in the present paper. The experimental aspect is similar to the conventional shake table test since a

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  • Frontiers | Advances in Real-Time Hybrid Testing
    Frontiers | Advances in Real-Time Hybrid Testing

    Aug 07, 2020 The control strategy of shaking tables, such as the tri-variable control method, is quite different from the control method of a single actuator often used in real-time hybrid test, further hindering the development of STST. The knowledge accumulated from real-time hybrid test may not be directly applicable in STST

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  • Structural Damage Evaluation of Multistory Timber-Steel
    Structural Damage Evaluation of Multistory Timber-Steel

    During the shake table tests, the hybrid structure performed quite well with visual damage only to wood shear walls. No visual damage in SMRFs and the frame-to-wall connections was observed

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  • REAL-TIME HYBRID EXPERIMENTAL SIMULATION SYSTEM
    REAL-TIME HYBRID EXPERIMENTAL SIMULATION SYSTEM

    The proposed hybrid loading test method using a shake table and a hydraulic actuator is intended for the application such as evaluation of real-time dynamic response of structural systems under strong seismic excitation. The test method consists of the shaking table test, and dynamic loading test using a dynamic actuator for the specimens that are parts of the structural system considered and

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  • Other Resources - OpenFrescoOpenFresco
    Other Resources - OpenFrescoOpenFresco

    10NCEE (2014): Development of a Large Scale Hybrid Shake Table and Application to Testing a Friction Slider Isolated System (Schellenberg, Becker, Mahin) [email protected] (2014): Hybrid Shake Table Test of a Midlevel Seismic Isolated Structure (Schellenberg, Becker, Mahin)

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  • Timber–Reinforced Concrete Core Hybrid System:
    Timber–Reinforced Concrete Core Hybrid System:

    Jan 01, 2017 This paper reports the design and a shake table test of timber frame–reinforced concrete (RC) core hybrid systems. Three specimens (S1, S2, and S3) are tested: S1 and S2 are both one-story buildings with a nailed plywood floor (flexible diaphragm)

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  • Real-Time Hybrid Substructuring Shake Table Test of a
    Real-Time Hybrid Substructuring Shake Table Test of a

    May 03, 2018 This paper present a real-time hybrid substructuring (RTHS) shake table test to evaluate the seismic performance of a base isolated building. Significant experimental research has been conducted on base isolators and dampers toward developing high fidelity numerical models

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  • DEVELOPMENT OF A LARGE SCALE HYBRID SHAKE
    DEVELOPMENT OF A LARGE SCALE HYBRID SHAKE

    Dec 10, 2011 HYBRID SHAKE TABLE AND APPLICATION TO TESTING A FRICTION SLIDER ISOLATED SYSTEM A. Schellenberg1, T. C. Becker2 and S. A. Mahin3 ABSTRACT A unidirectional hybrid control shake table was constructed at the NEES lab at the University of California Berkeley. The 2 m by 6 m table is controlled using an MTS 493 Real-Time Controller

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