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Low-cycle fatigue damage for shear behavior of reinforced concrete columns(PDF)

长安大学学报(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2012年05期
Page:
65-70
Research Field:
Publishing date:

Info

Title:
Low-cycle fatigue damage for shear behavior of reinforced concrete columns
Author(s):
LIU MingLIU Bo-quan
School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China
Keywords:
structural engineering column low-cycle fatigue cumulative damage fatigue life
PACS:
TU375.4
DOI:
-
Abstract:
Based on existing low-cycle fatigue tests on 12 identical half-scale reinforced concrete columns, the development of cumulative damage of reinforced concrete frame column was investigated. Furthermore, the rigidity deterioration, strength deterioration and energy dissipation of reinforced concrete columns were studied. The results indicate that the failure process of reinforced concrete columns can be divided into three stages: damage rapid development stage, stalemate stage, and failure stage. The stiffness degradation traces and rigidity deterioration traces are accompanied with the failure process. The reason lies in the essential feature of elastic-plastic behavior of member and the development of damage. In addition, the energy dissipation is related to the loading path and is influenced by the crack development and crack distribution of column. 2 tabs, 9 figs, 13 refs.

References:

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Last Update: 2012-10-30