Paper Title:
Ultimate Bearing Capacity Analysis of Axially Compressive Circular Steel Tube Columns Filled with Bar-Reinforced Concrete
  Abstract

The mechanical behavior and ultimate bearing capacity of the circular bar-reinforced concrete filled steel tube (BRCFST) short columns under axial compression are analyzed in this paper based on the unified strength theory. Considering the restriction effect of steel tube and hoop bar on concrete, the calculation formula of bearing capacity of the column is deduced. Parametric studies are carried out to evaluate the effects of intermediate principal stresses, diameter-thickness ratio of steel tube and the stirrup ratio on the bearing capacity of the column. A good agreement is reached by comparing the results calculated by the formula with the test results. It is concluded that the unified strength theory is applicable in the theoretical analyses of the BRCFST columns.

  Info
Periodical
Chapter
Chapter 2: Monitoring and Control of Structures
Edited by
Xuejun Zhou
Pages
1205-1210
DOI
10.4028/www.scientific.net/AMM.94-96.1205
Citation
Z. Liu, J. H. Zhao, "Ultimate Bearing Capacity Analysis of Axially Compressive Circular Steel Tube Columns Filled with Bar-Reinforced Concrete", Applied Mechanics and Materials, Vols. 94-96, pp. 1205-1210, 2011
Online since
September 2011
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$32.00
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