Shaking Table Test for the Evaluation of Floor Response ...

Therefore, in this study, shaking table tests for a seismic isolated frame structure were performed for the development of the floor response spectrum. For the shaking table test, a two-story artificial frame structure was manufactured. For the isolation devices, a lead rubber bearing and an EradiQuake system (EQS) were used.

NRC: Experimental Studies of Reinforced Concrete ...

May 17, 2016· This report describes the results of a multi-phase study focusing on the SMART2008 (Seismic design and best-estimate Methods Assessment for Reinforced concrete buildings subjected to Torsion and non-linear effects) shaking table experiment. The aim of the project was to enable an international benchmarking study to take place where different ...

Tri-directional Shaking Table Tests of Vibration Sensitive ...

Tri-directional Shaking Table Tests of Vibration Sensitive Equipment with Static Dynamics Interchangeable-ball Pendulum System. This paper will discuss that recently, the high-tech industry has become a key industry for economic development in many countries.

EFFECT OF MULTI-DIRECTIONAL SHAKING ON …

directional shaking on liquefaction potential is examined quantitatively in this paper by combining the results obtained by Pyke (1973) in shaking table and cyclic simple shear tests on dry sand with the model of the I Professor of Civil Engineering, University of California, Berkeley, Calif. 2senior Engineer, Dames & Moore, San Francisco, Calif.

Moving From Mercury - Stabroek News

Nov 15, 2013· The table deck is made of fiberglass and is supported by a steel frame. It has a longitudinal adjustable tilt; one directional shaking movement and variable speed. Water must be …

Finite Element Analysis of JNES/NUPEC Seismic Shear Wall ...

Finite Element Analysis of JNES/NUPEC Seismic Shear Wall Cyclic and Shaking Table Test Data Jim Xu1, Jinsuo Nie2, Charles Hofmayer3, ... shaking table RC shear wall tests presented in this paper have ... applying a uni-directional input to the shear wall model, which has been damaged from the previous test runs, and 3) ...

Simulation Analysis of Shaking Table Test for RC Seismic ...

concrete seismic shear wall using the shaking table of Public Works Research Institute of Japan as for a part of the ... dimension is a 1.5m by 1.5m in plan and 1.0m in height. The test was performed by applying simultaneous two directional horizontal motions (X, Y) and vertical motion (Z). The test consists of eight step testing. In each step ...

Shaking table study and modelling of seismic behaviour of ...

Nov 20, 2011· The response of autoclaved aerated concrete confined masonry buildings to seismic ground motion has been studied. Three 1:4 scale models of residential buildings with the same distribution of walls in plan but different types of floors and number of stories have been tested on a uni-directional shaking table.

PEER Blind Prediction Contest of Shaking Table Tests for ...

PEER Blind Prediction Contest of Shaking Table Tests for the Seismic Response of a Rocking Podium Structure The objective of this contest is to predict the maximum bi-directional seismic response of a four-column rocking podium structure excited by artificially generated ground motions applied by a shaking table. 1.

LIGHTLY REINFORCED WALLS SUBJECTED TO MULTI- …

The specimen was tested on the AZALEE shaking table, in the CEA facilities, which allows for testing 100 t models under three directional excitations. During the shaking table tests, the specimen was subjected to increasing horizontal artificial accelerations along the …

(PDF) Shaking table scale model tests of nonlinear soil ...

The shaking table reasonably reproduced both one-directional and two-directional input motions, and trends of model site response were consistent with free-field behavior; the motions amplified from base to surface and were coherent across the site.

A Large Biaxial Shear Box for Shaking Table Test on ...

Shaking table tests of the laminar shear box with and without a sand specimen were conducted. The test results showed that the performance of the biaxial laminar box and the instrumentation are satisfactory. References ... "Single- and Multi-directional Shaking Table Tests of Sand Liquefaction," Proceedings, ...

Design Principles for Vibration Test Fixtures

– Develop design principles for vibration test fixtures ... •Testing is performed in three orthogonal directional axes ... •Control accelerometer usually attached on shaker table, test fixture, or test specimen – Typically placed on shaker table at Lincoln Laboratory

Shaking table tests of bridge model with friction sliding ...

Shaking table tests of bridge model with friction sliding bearings under bi-directional earthquake excitations. Jianian Wen Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing, China, ...

Reproducing response spectra in shaking table tests of ...

Leveraging the existing Pulsar Iterative Control System (ICS ) for shaking tables, a multi-directional decoupling iteration (MDI) method is proposed to eliminate the adverse influences of the supporting frame dynamics and the coupling effects on achieving the desired floor response spectra. In this paper, the principle of the ICS shaking table ...

The development of shaking tables–A historical note ...

Jan 20, 2011· Major earthquakes in the 1920s prompted renewed interest at Stanford resulting in a uni‐directional table moving on rails, activated either by a pendulum striking at one end—the other being resisted by springs—or by a wheel with an eccentric‐mass attached to the table. ... The development of these ideas into the shaking tables, which we ...

Shaking Table Test on 2-Span High Performance Elevated ...

Bi-directional behavior of the rubber bearings installed in the elevated girder bridge models was investigate in advance to the shaking table test and is reflected in the modeling of the bearings in the advanced numerical analysis.

Testing Plan | Smart Structures

The specimen will undergo 5 phases of shaking table tests at the shaking table array facility in Tongji university: Phase A, the outrigger-cantilever-rocking-wall system will be tested under unidirectional shaking. Phase B, the proposed coupled-rocking-wall will be tested under unidirectional shaking under four shaking intensities. Phase C, the outrigger-cantilever-rocking-wall and the coupled ...

A Large Biaxial Shear Box for Shaking Table Test on ...

and Komanobe 1995 on a multidirectional shaking table test of a large sand specimen 1200 mm in diameter, 1400 mm in height using a laminar cylindrical shear container. They found that the sand exhibited less dilatancy and can liquefy easier under the cir-cular rotational shaking than under one-directional shaking. The