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Analysis of Axial Bearing Capacity of Reinforced Concrete-filled Circular Steel Tube Short Columns(PDF)

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

Issue:
2011年04期
Page:
92-96
Research Field:
Publishing date:
2011-12-20

Info

Title:
Analysis of Axial Bearing Capacity of Reinforced Concrete-filled Circular Steel Tube Short Columns
Author(s):
LIU Zhao;  ZHAO Jun-hai;  WANG Juan;  WU Sai
School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China
Keywords:
unified strength theory;  reinforced concrete-filled circular steel tube;  short column;  axial bearing capacity
PACS:
TU398.9
DOI:
-
Abstract:
Based on the unified strength theory,the mechanical behavior of reinforced concrete-filled circular steel tube short columns was analyzed. The calculation formulas of axial bearing capacity of the reinforced concrete-filled circular steel tube short columns were deduced with considerations of the restriction effects of steel tube and hoop bar on concrete. Parametric studies were carried out to evaluate the effects of intermediate principal stresses,diameter-thickness ratio of steel tube and the stirrup ratio on the bearing capacity. A reasonable match was reached by comparing the results calculated by the formulas with the test results by the references. The results show that the unified strength theory has a good applicability in the theoretical calculation of the reinforced concrete-filled circular steel tube short columns, which can offer theoretical reference to analyze and calculate the reinforced concrete-filled steel tube columns.

References:

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Last Update: 2011-12-20