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 articles to evaluate their
·For the shaking table model test we used an electrohydraulic servo uniaxial seismic simulation shaking table The dimensions of the table surface were × m The entire set of equipment comprised six components a table surface and support system an excitation system an electrical control system a hydraulic power source system a
·This paper presents the results of extensive shake table testing and finite element analyses of a small scale 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
·Shaking table test of tunnel crossing main sliding surface is carried out for the first time • The PEC is proposed to characterize the plastic deformation degree of tunnel lining The M Ia method for characterizing the whole local deformation damage of tunnel lining is presented The calculated values of M Ia and PEC damage indexes can be used
·weights of the shaking table and of the testing specimen or rigid blocks eliminating the vertical motion of the table can be inserted Figure 1 At each end the torque tubes are linked by means of a crank with a stiff connecting rod between them and the moving platform The vertical connecting rods are pinned at both ends and horizontal
·As the input acceleration increases the amplification effect of the top floor acceleration relative to the shaking table acceleration decreases and there is a slight delay in the peak acceleration of the top floor which indicates that the damage to the structure is accumulating and the increase in the damping changes the structural dynamic
·Shake table tests play an important role in the research carried out worldwide to improve existing knowledge on the seismic performance of buildings and other civil engineering structures including non structural elements and also for the seismic qualification of electromechanical equipment
·A large scale shaking table Azale developed at the Tamaris experimental platform of CEA Commissariat à l Énergie Atomique et aux nergies alternatives was used in the present work As shown in Fig this shaking table has an upper plate 25 tons in square form 6 m × 6 m This table is able to generate excitations
6 ·A large scale shaking table test of the model slope is performed The results show that amplification coefficients of the acceleration along slope surface and in vertical direction increase with the elevation increasing And its increment speeds also increase with the elevation increasing At the same elevation the amplification coefficients
·The shaking table test can accurately and effectively reflect the dynamic behavior of bridges under earthquake scenarios which is one of the important means to study the seismic performance of structures and evaluate the effectiveness of seismic isolation measures [25] These tests are conducted at the National Engineering Research
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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 A comparison between the experimental and computational results shows that
·In this paper shaking table tests of utility tunnel models with and without a joint connection under uniform excitation in the transverse direction were carried out Earthquake waves including an EL Centro wave Taft wave and sine wave with different peak accelerations were input to comparatively analyze the seismic behavior of the soil
The Shake Table s motor is a 400 W high powered 3 phase brushless DC actuator The motor contains an embedded high resolution encoder that allows the position of the stage to be measured with an effective linear resolution of μm An analog accelerometer mounted on the Shake Table II platform measures the acceleration of the stage directly
·BiSS 3 axes 6 degrees of freedom shaking tables are state of the art solutions for seismic simulation soil liquefaction and vibration tests on building models as The table is designed to enable rigid mounting of specimens for transfer of required acceleration history The center of gravity of the test object can be located anywhere
·The Center has three biaxial shake tables in operation Manufactured by MTS each table measures 14 x ft x m has a stroke of ±12 in ± 300 mm and can reach a peak velocity of 40 in/sec 1000 mm/sec and an acceleration of 1g with a 50 ton payload 445 kN All three tables can be
·Shaking table tests on a scale model with and without isolators were respectively carried out and the dynamic response and the isolation effect of the structure were investigated The following conclusions can be drawn from the present study 1 It was determined from the frequency domain analysis that different seismic waves had different
The Shake Table I 40 consists of a stage mounted on a high quality low backlash linear guide with a total travel of mm and is driven using a ball screw drive mechanism Using the high torque direct drive motor the stage loaded with a kg mass can be accelerated up to g The high resolution encoder enables the system to obtain a
·The earliest known shaking table driven by hand power was constructed in Japan at the end of the 19th century At the beginning of the 20th century developments had moved to the Stanford University in the with the introduction of an electric motor to produce a more refined oscillatory motion in one direction the response of the
The RP 4 shaker table is the most widely used and most successful gold gravity shaking concentrating table worldwide used by small and large mining operations and patented RP 4 is designed for the separation of heavy minerals and gemstone concentrate The RP 4 table can process up to 100 lbs per hour of black sand magnetite or pulverized
·Through the shaking table test and numerical calculation analysis of single sliding surface accumulation landslide under earthquake action it can be known that 1 Through the analysis of the shaking table test phenomenon it can be seen that cracks appeared at both ends of the slope first during the shaking process With the progress of
·The shaking table consists of a shaker model frame a working condition loading system a data acquisition system a cooling system and a measurement system Fig 2 a The model frame is × × m length × width × height constructed from welded steel and equipped with transparent plexiglass panels 1 cm thick on both sides
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