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Theoretical analysis of self-centering concrete piers with external dissipators
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  • Journal title : Earthquakes and Structures
  • Volume 9, Issue 6,  2015, pp.1313-1336
  • Publisher : Techno-Press
  • DOI : 10.12989/eas.2015.9.6.1313
 Title & Authors
Theoretical analysis of self-centering concrete piers with external dissipators
Cao, Zhiliang; Guo, Tong; Xu, Zhenkuan; Lu, Shuo;
 Abstract
The self-centering prestressed concrete (SCPC) bridge pier with external dissipators is a novel structure, aiming at reducing residual deformation and facilitating the post-earthquake repair. This paper presents the configuration and mechanical behaviors of the pier. A theoretical model for the lateral force-displacement relationship under cyclic loading is developed. The proposed model comprises an iterative procedure which describes the deformation of dissipators under different conditions. Equations of pier stiffness after gap opening, as well as the equivalent viscous damping ratio, etc., are derived based on the proposed model. Existing cyclic load test results were used to validate the proposed model, and good agreement is observed between the analytical and test results.
 Keywords
theoretical analysis;self-centering;concrete pier;external dissipators;
 Language
English
 Cited by
1.
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1.
Fragility analysis of self-centering prestressed concrete bridge pier with external aluminum dissipators, Advances in Structural Engineering, 2017, 20, 8, 1210  crossref(new windwow)
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Experiments on prefabricated segmental bridge piers with continuous longitudinal reinforcing bars, Engineering Structures, 2017, 132, 671  crossref(new windwow)
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Hysteretic behavior studies of self-centering energy dissipation bracing system, Steel and Composite Structures, 2016, 20, 6, 1205  crossref(new windwow)
4.
Analytical Study of Force–Displacement Behavior and Ductility of Self-centering Segmental Concrete Columns, International Journal of Concrete Structures and Materials, 2017, 11, 3, 489  crossref(new windwow)
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