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Applications and Analysis of Viscoelastic Damper in Earthquake Resistant for Reinforced Concrete Frame Structure

Author: LiuJunSheng
Tutor: WangSheLiang
School: Xi'an University of Architecture and Technology
Course: Architecture and Civil Engineering
Keywords: Viscoelastic dampers Seismic Control Frame structure Time history analysis
CLC: TU375.4
Type: Master's thesis
Year: 2010
Downloads: 142
Quote: 1
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Abstract


Viscoelastic dampers as an effective passive seismic control devices, can increase the structural damping , the dissipation of the seismic input energy to reduce the seismic response . Because of its cost-effective and simple installation , etc. , with a wide range of engineering application , but also in the structure of energy dissipation control has become one of the hot issues of the seismic control technology . In this paper , on the basis of the existing class of common damper , analyzed the mechanical properties of viscoelastic dampers and computational model of the viscoelastic structure analysis and design methods , analysis and viscoelastic dampers in the frame structure seismic control technology . At the same time , the use of the current general-purpose finite element analysis software ETABS practical engineering structures , for example , a layer of reinforced concrete frame structure analysis model , and the use of typical measured seismic records , is not installed viscoelastic dampers no control structure and installation of viscoelastic dampers controlled structure of the dynamic response analysis , comparative analysis of the structure of the main seismic response in both cases , are explored with viscoelastic damper controlled structure with energy dissipation devices mechanism and rules to verify the validity and applicability of the viscoelastic dampers in the seismic control , made ??a number of useful research and engineering applications recommended . The results show that the set equipped with viscoelastic dampers energy support , the displacement angle between the horizontal displacement of the structure and layer significantly reduced the effect of damping control is generally up to about 40% , the seismic control method mentioned . effect is obvious, established by theoretical analysis and calculation model and so has good applicability reference for further research and engineering applications .

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures > Frame
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