Development of Passive Energy Dissipation Device with U-Shaped Steel Damper Based on Quasi-Linear Motion Mechanism

Jin He Gao; Hiroshi Tagawa

doi:10.4028/www.scientific.net/AMR.446-449.2656

Paper Titles

Comparison of Skid Resistance and Noise between Transverse and Longitudinal Grooving Pavements in Newly Constructed Concrete Pavement
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Influence of Material Properties on Hydraulic Conductivity and Strength of Aggregates Used for Pavement Base
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Dynamics Model of Vehicle in Two-Dimensional Collision
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Dynamic Model Rupture Tests of Concrete Dams on Shaking Table
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Development of Passive Energy Dissipation Device with U-Shaped Steel Damper Based on Quasi-Linear Motion Mechanism
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Analysis of Numerical Simulation of Micropiles Reinforcing Shallow Landslide
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The Application of Fuzzy Variable Sets Theory in Eutrophication Evaluation for Urban Lake
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New Construction Technique of Soft Soil Foundation Consolidated by Plastic Drainage Slab
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Damage Analysis of Freeze-Thaw Processes in Hydraulic Structure Concrete
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Development of Passive Energy Dissipation Device...

Development of Passive Energy Dissipation Device with U-Shaped Steel Damper Based on Quasi-Linear Motion Mechanism

Abstract:

This paper presents a new energy dissipation device for earthquake protection of structures. The proposed device, which uses a quasi-linear motion mechanism, achieves dissipation of seismic energy into the structure through yielding of U-shaped steel dampers. Consequently bracing members are subjected to only tensile force. Cyclic loading tests of the portal moment frames with the proposed device are conducted. Results and discussions are presented with emphasis on key features which affect energy dissipation capability. The lateral load and story drift angle relationships show that the proposed device provides stable and reasonably large energy dissipation capability. The effect of pre-tension applied to the bracing members is also examined through the brace axial strain and lateral load relationship.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

2656-2660

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.2656

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Online since:

January 2012

Authors:

Jin He Gao, Hiroshi Tagawa

Keywords:

Cyclic Loading Test, Passive Control, Quasi-Linear Motion Mechanism, U-Shaped Damper

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References

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