Seismic Energy Assessment of Buildings with Tuned Vibration Absorbers
Said Elias,Said Elias +1 more
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In this paper, the authors presented a seismic analysis and energy assessment of building installed with distributed tuned vibration absorbers (d-TVAs) and compared the performance of using a single tuned vibration absorbing (STVA) at the top of the building with the use of the d-TVA.Abstract:
Seismic analysis and energy assessment of building installed with distributed tuned vibration absorbers (d-TVAs) are presented. The performance of d-TVAs is compared with single tuned vibration absorber (STVA) installed at the top of the building. The placements of the d-TVAs are based on the modal properties of the uncontrolled and controlled buildings. The governing equations of motion of the building with the STVA and d-TVAs are solved by employing Newmark’s integration method. Various energies under earthquake ground excitations are computed to study the effectiveness of using the STVA and d-TVAs. It is concluded that the use of the d-TVAs is the most competent because it effectively dissipates the seismic energy, and they are convenient to install requiring reduced space, as are placed at various floors.read more
Citations
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Experimental study and numerical modeling of nonlinear dynamic response of SDOF system equipped with tuned mass damper inerter (TMDI) tested on shaking table under harmonic excitation
TL;DR: In this paper, a novel shaking table testing campaign was conducted to assess the tuned mass-damper-inerter (TMDI) vibrations suppression attributes in harmonically excited structures under the combined effect of nonlinear structural response and nonlinear inerter device behavior deviating from the ideal linear inerters developing acceleration-dependent force proportional to the inertance constant.
Journal ArticleDOI
Seismic vulnerability of a non-linear building with distributed multiple tuned vibration absorbers
Said Elias,Vasant Matsagar +1 more
TL;DR: It is concluded that the building generally remains within elastic range upon installation of the MTVAs, and the efficiency of the d-MTVAs is found superior only if they are placed as per the optimum placement criteria.
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Optimum Double Mass Tuned Damper Inerter for Control of Structure Subjected to ground motions
TL;DR: In this paper, a double mass tuned damper inerter (DMTDI) was proposed to reduce building's seismic response by using large physical mass ratios generated by lightweight inerters.
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Seismic response control of base-isolated buildings using multiple tuned mass dampers
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Effect of SSI on Vibration Control of Structures with Tuned Vibration Absorbers
Said Elias,Said Elias +1 more
TL;DR: In this article, the effect of considering soil-structure interaction (SSI) in seismic responses of reinforced concrete (RC) chimneys installed by distributed tuned vibration absorbers vertically (d-MTVAs).
References
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Journal ArticleDOI
A method of estimating the parameters of tuned mass dampers for seismic applications
TL;DR: In this article, the optimum parameters of tuned mass dampers (TMD) that result in considerable reduction in the response of structures to seismic loading are presented, and the method can also be used in vibration control of tall buildings using the so-called "mega-substructure configuration" where substructures serve as vibration absorbers for the main structure.
Journal ArticleDOI
Mitigation of motions of tall buildings with specific examples of recent applications
TL;DR: In this article, the authors present an overview of state-of-the-art measures that reduce the structural response of buildings, including a summary of recent work in aerodynamic tailoring and a discussion of auxiliary damping devices for mitigating the wind-induced motion of structures.
Journal ArticleDOI
Performance of Multiple Mass Dampers Under Random Loading
Ahsan Kareem,Samuel Kline +1 more
TL;DR: In this paper, the authors investigated the performance of multiple mass dampers (MMDs) under random loading and demonstrated that the MMD configuration is more effective in controlling the motion of the primary system.
Journal ArticleDOI
Research developments in vibration control of structures using passive tuned mass dampers
Said Elias,Vasant Matsagar +1 more
TL;DR: The review clearly demonstrates that the TMDs have a potential for improving the wind and seismic behaviors of prototype civil structures and shows that the MTMDs and d-MTMDs are relatively more effective and robust, as reported.
Journal ArticleDOI
Performance of multiple tuned mass dampers for attenuating undesirable oscillations of structures under the ground acceleration
TL;DR: In this paper, the authors investigated the influence of the important parameters on the effectiveness and robustness of the MTMD by conducting a numerical search technique in two directions: frequency spacing, average damping ratio, mass ratio and total number.
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