Chapter
Apr 26, 2012
Experimental Study on the Seismic Performance of a Large-Scale TLD Model with Sloped Bottoms
Authors: XiaoHua Ding, Ph.D. [email protected], Meziane Idir, Ph.D., MengLin Lou [email protected], and GenDa Chen [email protected]Author Affiliations
Publication: Structures Congress 2009: Don't Mess with Structural Engineers: Expanding Our Role
Abstract
A slope-bottom tuned liquid damper (TLD) was previously found to be an effective wave-energy dissipater in various tests of a 1/4-scale three-story model. In this study, to ensure that the nonlinear feature of a prototype TLD is properly represented, the 1/2-scale model of a three-story steel frame structure was tested on the shaking table to study the seismic performance of a large-scale TLD with three sloped bottoms: V-, W-, and Arc shapes. In comparison with small-scale model tests, the large-scale model tests more effectively demonstrated the seismic effectiveness of a slope-bottom TLD in the mitigation of structural responses under strong earthquake excitations. The V- and Arc shaped bottoms of a TLD are more effective than the W-shaped bottom due to more liquid engaged with sloshing motion.
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Published In
Structures Congress 2009: Don't Mess with Structural Engineers: Expanding Our Role
Pages: 1 - 10
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Buildings
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Frames
- Geomechanics
- Geotechnical engineering
- Low-rise buildings
- Models (by type)
- Scale models
- Seismic tests
- Seismic waves
- Slopes
- Solid mechanics
- Steel frames
- Steel structures
- Structural engineering
- Structural members
- Structural models
- Structural systems
- Structures (by type)
- Tests (by type)
- Waves (mechanics)
Authors
Affiliations
M.S. Students, State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, China. E-mail: [email protected]
Meziane Idir, Ph.D.
M.S. Students, State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, China
Professor and Director, State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, China. E-mail: [email protected]
Professor and Director, Center for Infrastructure Engineering Studies, Missouri University of Sciene and Technology. E-mail: [email protected]
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