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Experimental in Structural Dynamics (Base Isolation System: Modelling)

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Experimental in Structural Dynamics (Base Isolation System: Modelling)


Khin Thanda Htun | Kyaw Kaung Cho

https://doi.org/10.31142/ijtsrd21704



Khin Thanda Htun | Kyaw Kaung Cho "Experimental in Structural Dynamics (Base Isolation System: Modelling)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3, April 2019, pp.326-335, URL: https://www.ijtsrd.com/papers/ijtsrd21704.pdf

This project is to understand and have the ability to perform dynamic test. Furthermore in this project, the author can investigate how the dynamics of a multistory building is modified by base isolation. The dynamic properties are also very important for the dynamics analysis of the structure. The main task in this project is to determine the dynamic behavior of a 5-storey steel structure model with base isolation system and without base isolation system by experimentally and numerically. In this section the author examine the vibration properties, natural modes and the earthquake response of two systems: (1) Five-storey building on a fixed base, (2) Same five-storey building supported on the isolation system. In this whole project, the following tasks have to do. First the five-storey structure has to model in SAP2000 numerically. After that by the definition of reference sensor positions, sensor setups and excitation locations, the first experimental modal test has planned to do. Then the data assessments have to do like model identification, comparison of test results with the numerical model and also simulate the tests numerically. Again it needs to modify the structure in the numerical model and analyzed it again. In the second test, the system has to prepare with base isolation system. There also have to do second data assessments like model identification, comparison of test results with the numerical model with respect to base isolation system and braced system. Since the dynamic behavior of a linearly behaving structure can be described by its modal parameters (natural frequencies, mode shapes, modal damping) it is important to carry out tests to identify these parameters. From a numerical analysis study, how response of the building with proposed isolation system under multi direction excitation is then presented followed by the conclusion.

Base isolation, dynamic, vibration properties


IJTSRD21704
Volume-3 | Issue-3, April 2019
326-335
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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