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2004•Journal of Xi'an University of Architecture & TechnologyRequires access

Experimental study on the ductility of SRHC concrete columns

Xue Jianyang

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Abstract

Nine steel reinforced high-strength concrete (SRHC) columns with the span ratio of 2.0 are constructed and tested under a simulated earthquake loading. The grade of concrete strength is C80. The two factors, i.e., the stirrup ratio and axial compression ratio, affecting the ductility of SRHC columns, are taken into consideration. The interrelated curves between ductility and those factors are obtained from test results. By muting certain requirements of ductility, the limit values of axial compression ratio of C80 SRHC columns are put out, and the influence of stirrup ratio on it is also analyzed.

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What this paper is about

Nine steel reinforced high-strength concrete (SRHC) columns with the span ratio of 2.0 are constructed and tested under a simulated earthquake loading. The grade of concrete strength is C80. The two factors, i.e., the stirrup ratio and axial compression ratio, affecting the ductility of SRHC columns, are taken into consideration. The interrelated curves between ductility and those factors are obtained from test results. By muting certain requirements of ductility, the limit values of axial compression ratio of C80 SRHC columns are put out, and the influence of stirrup ratio on it is also analyzed.

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Available abstract

Nine steel reinforced high-strength concrete (SRHC) columns with the span ratio of 2.0 are constructed and tested under a simulated earthquake loading. The grade of concrete strength is C80. The two factors, i.e., the stirrup ratio and axial compression ratio, affecting the ductility of SRHC columns, are taken into consideration. The interrelated curves between ductility and those factors are obtained from test results. By muting certain requirements of ductility, the limit values of axial compression ratio of C80 SRHC columns are put out, and the influence of stirrup ratio on it is also analyzed.

Key concepts: Stirrup, Ductility (Earth science), Structural engineering, Materials science, Reinforced concrete, Aspect ratio (aeronautics), Composite material, Engineering

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