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Experiment on Seismic Performance of Connection BetweenConcrete-filled Steel Tubular Column and Prestressed Concrete Beam(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2016年03期
Page:
110-115
Research Field:
Publishing date:

Info

Title:
Experiment on Seismic Performance of Connection BetweenConcrete-filled Steel Tubular Column and Prestressed Concrete Beam
Author(s):
FANG Mei LI Man LI Shan
School of Civil Engineering, Wuhan University
Keywords:
prestressed concrete beam concrete-filled steel tubular column connection seismic performance experimental research
PACS:
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DOI:
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Abstract:
Based on tests of three specimens under low cycle reversed loading,the failure pattern,hysteretic loops,stiffness degradation and energy dissipation capacity of connections between concretefilled steel tubular columns and prestressed concrete beams were studied. The results show that prestress almost has no influence on the failure pattern of specimen, and all specimens are subjected to bending failure at beam end. When the lower part of beam is in tension, prestress makes stiffness degradation accelerate, and energy dissipation capacity is reduced. When the upper part of beam is in tension, the ultimate bearing capacity, stiffness degradation, ductility and energy dissipation capacity of prestressed specimens is better than that of nonprestressed specimens.

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Last Update: 2016-06-01