2 levels shaking table

Shake-table test on a four-storey structure with ... - Infoscience - EPFL

the structure and to account that the test specimen was built at half-scale the record was scaled in time reducing the duration by a factor of √2. The record was then scaled to match different levels of peak ground acceleration (PGA) that were used as input signal for the shake-table test (ranging from 0.05 g to 0.9 g). Figure 4...

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Double-Deck Gold Shaker Table - 911 Metallurgist

Mar 1, 2018 ... The 911MPEGMS-2DST double deck “DUPLEX” gold shaker table is effectively 2 super-imposed 4′ x 8′ decks and processes 2 tons per hour of -200 minus to 4 tons or more of sand size material. ... The only installation requirement for the double deck gold shaker is it be sitting on level ground. We have...

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shaking table testing of civil engineering structures

2. National Laboratory For Civil Engineering, Av. Brasil 101 - 1700-066 Lisboa Portugal , E-Mail:Tvaz@Lnec.Pt. SHAKING TABLE TESTING OF CIVIL ... Shaking tables are nowadays a valuable tool for the seismic behaviour assessment of civil .... equipment should not be subjected to a typical seismic level of vibration.

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Shaking Table Test Methods for the Reoccurrence of Multi ...

2. Real-Time Multi-Note Excitation. Hybrid Simulation: shaking table + dynamic actuator. 3. Sub-unit Hybrid Simulation: the curtain wall specimen is divided into ... level and required evaluation indexes to evaluate the seismic performance——the damage of curtain wall should meet the required performance level.

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Shaking Table Test and Seismic Performance Evaluation of ...

40 scaled test model was designed, built and tested on shaking table under earthquake of small, moderate and large levels. The experimental results ... 2. Description of the Building Structure. Shanghai Tower is a super high-rise building of 632 m height including shopping mall, office and hotel, located at Shanghai, as...

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Shaking Table Model Test of Shanghai Tower 2. Journal paper ...

and crack pattern under earthquakes of different levels, and to help the designers improve the design scheme, the shaking table model tests of a scaled model of Shanghai tower were carried out at the State Key Laboratory of Disaster Reduction in Civil. Engineering, Tongji University, Shanghai, China. This paper describes...

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Shake Table II - Quanser

The Quanser Shake Table II is a mid-size open-architecture single-axis earthquake simulator ideal for teaching structural dynamics, vibration isolation, feedback control, and other control topics related to earthquake, aerospace and mechanical engineering. Users can generate sinusoidal, chip as well as pre-loaded...

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SEESL: Shake Tables

The two shake tables located in Test Area 2 (Shake Tables A and B) are designed for the following theoretical performance. Note: Nominal performance specifications are for continuous uniaxial sinusoidal motion with 20-ton rigid specimen and without table extension. System performance levels will be reduced with...

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A Web-Controllable Shaking Table for Remote ... - Semantic Scholar

simultaneously monitoring its behavior as they receive accelerometer readings from three different levels. The Shake Table WebLab allows any web user to ... Motor Maximum Torque. 1.65 Nm. Linear Bearing Load Carrying Capacity. 290 Lbs. Source: Quanser Consulting Inc. Shaker Table. 3. Acceleration limit in g. 2.5. 2-.

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Validation of PWR Core Seismic Models with Shaking Table Tests ...

air and in-water tests …),. - Seismic tests on CEA AZALEE shaking table on a row of 6 assemblies for different configurations (in-air and in-water, different seismic input levels …). 2.2 Description of the tested designs. The tested FA's correspond to 2 designs representative of 12ft 17x17 fuel assemblies with Zircaloy grids.

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Shaking table study of concrete gravity dam monoliths - Donlon ...

A series of shaking table tests was performed on three small-scale models of a monolith of a concrete gravity dam in order to simulate earthquake shaking. ... of water intrusion into open cracks, something not included in the experiments, could lead to failure under significantly lower levels of excitation than those employed.

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DIY Shake Table

DIY Shake Table. Lab Related Activity: Engineering for Earthquakes. 201 S. Market St. San Jose CA. 95113. 1-408-294-8324 thetech.org. This activity is ... Grade Levels: 5-8. Estimated Time: three 45 minute periods. Student Outcomes: 1. Students will use the engineering design process to design and construct ... Page 2...

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experimental study on steel tank model using shaking table

Keywords: cylindrical steel tank, shaking table, earthquake, mining tremor, sweep-sine tests. 1. INTRODUCTION. Cylindrical steel ... The model has been tested with different levels of liquid filling (empty tank, tank partly filled with liquid, tank fully filled with liquid). 2. EXPERIMENTAL SETUP. The subject of the current study...

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Shaking table test on dynamic behaviours of tropical residual soils in ...

The results showed that the shaking table setup was capable of facilitating a considerably large strain level of deformation. The shear modulus increases proportionally with the confining pressure. Under the same confining pressure, shear modulus attenuates with the increase of strain amplitude. The shear modulus of...

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Shaking Table Testing 1 1. Overview (1) Introduction The ... - iisee

Dynamic testing can be classified into three types, i.e. shaking table test, vibration ... 2. (2) Shaking Table Test. The shaking table test is realistic and clear when the response of a structure during an earthquake is discussed. A specimen is set up on the table which can be .... response amplitude is reduced to the level max / 2.

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numerical simulation of shaking table tests on dynamic response of ...

results in 2D level ground analysis and avoiding reflect of waves from side boundaries into the model, infinite elements and quiet ... induced at the bottom of each model through shaking table are shown in Fig. 2. The base acceleration of loose and dense models are about 0.1g and 1.2g; respectively. Detail information...

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Performance of the CGS six DOF Shaking Table on the Harmonic ...

monic acceleration records with frequencies of 2, 4, 5, 6, 7, 8,. 10, 12, 15, 17, 20, 25, 30, 35, 40 and 45 Hz. For each frequency the shaking table was excited with different level of peak ampli- tudes, namely 0.15, 0.20, 0.30, 0.60, 0.75, 0.90 and 1.20 g. 5 Oil Column. Oil column resonant frequency was determined to be one of.

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Simulation of seismic liquefaction: 1-g model testing system and ...

Nov 4, 2013 ... Shake table is supported by a 1 m thick strong floor with an area of 51 m2 which is located at Izmir Institute of Technology structural engineering ..... With these considerations in mind, the test sequence and levels of shaking conducted on the saturated sand in the laminar box are 24 cycles of 2 Hz sine wave...

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Two Story Wood Frame Building Shake Table Test - YouTube

Apr 19, 2007 ... A 13.5'×19.5' two-story wood frame house representing San Francisco 1940's design of residential house a garage space on the first level was tested on the shaking table. The structure was subjected to scaled ground motion based on Los Gatos record from Loma Prieta 1989 earthquake. The strong...

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User:Medelen8/ENES100/Shaker Table Auto Design - Wikiversity

Jan 3, 2018 ... 1 Problem Statement; 2 The Design Process. 2.1 Requirements for each element or component derived from system level goals and requirements; 2.2 Alternatives in design; 2.3 The initial design; 2.4 Experimental prototypes and testing conducted during design; 2.5 Appropriate optimization in the presence...

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university of naples federico ii - fedOA

Earthquake time history and spectra for a level of shaking corresponding to. SDS equal to 1.50g: (a) acceleration time-history; (b) input accelerogram spectrum. (TRS), RRS (bold line), upper and lower matching limits (dashed line). ................... 145. Figure 97. Tests corresponding to SDS equal to 1.50g: shake table recorded...

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shaking table tests of a model structure with semi-active resettable ...

shaking table tests were performed on the model structure both with and without resettable devices. The devices modified the ..... Level. Relative Displacement (mm). Closed. 1-2-3-4. 2-4. 1-3. 1-2-3-4 to 2-4. Open. 0. 1. 2. 3. 4. 0. 0.2. 0.4. 0.6. 0.8. 1. Lev el. Absolute Acceleration (g). Closed. 1-2-3-4. 2-4. 1-3. 1-2-3-4 to 2-4.

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SEISMIC ANALYSIS AND SHAKE TABLE MODELING: USING A ...

In Chapter 2, the causes of earthquakes and the history of seismic modeling on a shake table will be discussed, as well as previous research using the Schierle Shake. Table. In Chapter 3, the methodology of modeling a specific building on the shake table will be examined, as well as an explanation of how the shake table...

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SHAKE TABLE TESTING OF BRIDGE REINFORCED CONCRETE ...

models of bridge columns subjected to different levels of biaxial, torsion and vertical loads through real time earthquake motions. ... can be shown in fig. 2. a concrete footing and top loading head were constructed to attach the specimen to the shake table and to connect the inertial mass system to the specimen, respectively.

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Earthquake shaking table - Wikipedia

There are several different experimental techniques that can be used to test the response of structures to verify their seismic performance, one of which is the use of an earthquake shaking table This is a device for shaking structural models or building components with a wide range of simulated ground motions, including...

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Shaking table tests on strengthening of masonry structures ... - NHESS

Jun 17, 2010 ... concentrated on the storey levels (Ersubasi, 2008). On the other hand, point loading of ... table (Fig. 2) was another setup in the literature (Keightley,. 1986). Indian researcher Jagadish (2002) used a pendulum and a free vibration table o simulate the earthquake forces on the masonry houses. Altin et al.

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Shaking table study of a brick veneer house subjected to blast ...

Mar 3, 2016 ... The natural frequency of most residential structures is between 4 and 12 Hz, the percentage of critical damping in the range of 2–10% and racking amplification (γp), defined as the ratio of peak eave level displacement divided by peak table displacement, is generally between 1.0 and 5.0 (Aimone-Martin et...

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Shake Table Testing of Concentrically Braced Steel Structures With ...

Dec 12, 2017 ... g EMSI, CEA Saclay, France. A R T I C L E I N F O. Keywords: Shake table testing. Concentrically braced frames. Gusset plate connections. Low-cycle fatigue. Earthquake loading ... levels of seismic excitation: (i) low-level excitation to examine elastic frame response, (ii) medium-level ex- citation to examine...

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seismic shake-up! - PBS Kids

base of your structure. • ruler. Shake Table. • 2 pieces sturdy cardboard. (about 8 x 11 in or A4). • 2 thick rubber bands. • 2 tennis balls. • 2 large binder clips. • ruler or paint stirrer to ... Build a shake table, which is a device engineers use to simulate the ... Take it to the next level and build an even taller structure! WHAt if yOUr...

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Shaking Table Testing to Evaluate Effectiveness of Prefabricated ...

Dec 1, 2015 ... Oakes, Caleb Robert, "Shaking Table Testing to Evaluate Effectiveness of Prefabricated Vertical Drains for Liquefaction Mitigation". (2015). All Theses and Dissertations. ...... (2) centrifuge testing with scaled models which are accelerated to simulate the stress levels existing under field conditions with and...

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264. Substructure Real-time Hybrid Simulation With A Small-scale ...

August 1-2, 2015, University of Illinois, Urbana-Champaign, United States. Substructure Real-time Hybrid Simulation. With a Small-scale Uni-axial Shake Table. R. Zhang1, P.V. Lauenstein2, B.M. Phillips3. 1 Ph.D. Student, Dept. of Civil and Environmental Engineering, University of Maryland, College Park, United States.

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LS-X (Lab-Shaker) - Adolf Kühner AG

2. |LS-X with a universal tray. The Kuhner LS-X is a sturdy bench top shaker designed for continuous and maintenance-free operation. The LS-X shaker has a ..... capacity. The dual shaking table consists of two levels. Each level will accept an E, EX or F size tray. However, with the dual table the shaking speed is limited to a...

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Shaking Table and Numerical Seismic Performance Evaluation of a ...

A shaking table campaign was carried out on a 2:3-scale, two-story steel frame structure retrofitted by a dissipative bracing system incorporating pressurized fluid viscous ... 41-06 Standard, emphasized three through five enhancements of building performance in retrofitted conditions for the four earthquake levels examined.

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Shaking Table Model Test Analysis of Gymnasium ... - cosmos-eq.org

SHAKING TABLE MODEL TEST ANALYSIS OF GYMNASIUM BUILDING WITH. LARGE SPAN. Xueshuang Bai1, Qi Wang1,2, Shaoge Cheng1, Yayong Wang1 , Wenjuan Lou 2. ABSTRACT. This paper summarized the structure characteristics of gymnasium building with large span and the key points of shaking table test...

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Evaluation of soil liquefaction potential for level ground ... - OSTI.GOV

Fig. 1-6. Method of Evaluating Liquefaction Potential. Fig. 2-1. Shaking Table System: Schematic View. Fig. 2-2. Application of Multiple Shaking and Subsequent. Pore Water Pressure Dissipation to a Shake Table. Specimen: Test Results. Fig. 2-3. Effect of Seismic History on Liquefaction. Characteristics of Sand. Fig. 2-4.

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SHAKE TABLE ACTIVITY

Construct Shake Table. The following sites have examples and directions for building three different types ranging from simple to motorized. http://lahr.org/john-jan/psn/psn.html http://mceer.buffalo.edu/education/exercises/shtable.asp. 2. Gently fill plastic cup with sand almost to the top. Mark level of sand. Attach to...

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Shake Table Tests of a Two-Story Woodframe House - CUREe

of full-scale woodframe structures under seismic events at the system level. Under. Task 1.1.1, a two-story single-family house was tested under seismic events using a shake table. Task 1.1.1 is the project presented in this report. For Task 1.1.2, a three- story apartment building with parking on the first story was tested using...

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An Introduction to Sesimic Testing of Equipment - ANCO Engineers

Shake tables are used to simulate earthquake ground motions, and the motions of ... procedure and test level for seismic qualification of telecommunications related ..... equal to 2%. Shake tables are designed to minimize cross axes motion, but such motions can not be eliminated entirely, especially at higher frequencies.

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seismic assessment of masonry buildings from shaking table ... - ORBi

occurrence of cracking even for low levels of seismic demand. ... 3.7x4.2 m2 at ground floor and a height of 5.4 m, have been tested on the 3-D shaking table of the ... stage, followed by identification of natural frequency, and then by biaxial loading for the next stage, and so on (Figure 2). For each load level several shakes...

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Seismic performance of soil-nailed walls using a 1g shaking table ...

Feb 6, 2017 ... To assess the seismic performance of soil-nailed walls, a series of 1g shaking table tests was conducted on 0.8 m high wall models with different nail lengths. It was found that the seismic deformation mode of walls highly depends on the nail length and input motion parameters. The combination of a base...

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