Experimental research on self-stressing and self-compacting concrete filled steel tube columns subjected to eccentric load

Chengkui HUANG,Zuoqing SHANG,Peng ZHANG,

Front. Struct. Civ. Eng. ›› 2009, Vol. 3 ›› Issue (4) : 455-461.

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PDF(209 KB)
Front. Struct. Civ. Eng. ›› 2009, Vol. 3 ›› Issue (4) : 455-461. DOI: 10.1007/s11709-009-0058-6
Research articles
Research articles

Experimental research on self-stressing and self-compacting concrete filled steel tube columns subjected to eccentric load

  • Chengkui HUANG,Zuoqing SHANG,Peng ZHANG,
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Abstract

A total of fifteen self-stressing and self-compacting concrete (SSC) filled steel tube columns and three common self-compacting concrete filled steel tube (CFST) columns are tested under eccentric compression load to analyze the effect of initial self-stress on the compression behavior of CFSTs. The results show that the elastic working range of the columns is lengthened because of initial self-stress and it slightly decreases with the increase of load eccentricity ratio and slenderness ratio. Because of the initial self-stress, the concrete core is always under compression in three directions, so the compactness is enhanced and the ultimate bearing capacity obviously increases; but the initial self-stress hardly affects the failure mode of the columns.

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Chengkui HUANG, Zuoqing SHANG, Peng ZHANG,. Experimental research on self-stressing and self-compacting concrete filled steel tube columns subjected to eccentric load. Front. Struct. Civ. Eng., 2009, 3(4): 455‒461 https://doi.org/10.1007/s11709-009-0058-6
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