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|標題:||Self-consolidating concrete columns under concentric compression||作者:||Lin, C.H.
|關鍵字:||axial loads;columns;confinement;ductility;self-consolidating;concrete;workability||Project:||Aci Structural Journal||期刊/報告no：:||Aci Structural Journal, Volume 105, Issue 4, Page(s) 425-432.||摘要:||
Two series of column specimens were tested to investigate the behavior of self-consolidating concrete (SCC) columns under concentric compression. The first series contained 16 columns made with normal concrete (NC), and the second 16 columns were made with SCC The test variables included the concrete strength, amount of longitudinal reinforcement, volumetric ratio of transverse reinforcement, strength of transverse reinforcement, and arrangement of transverse reinforcement. Comparisons were made between the SCC and NC specimens. Behavior of the SCC used in this study was also compared with that of high flowability concretes in other studies. The results show that SCC can have better structural performance than NC, as long as the concrete is properly proportioned. The ductility and crack control ability of SCC columns are better than NC columns. Stiffness of SCC is also higher than that of NC. Mechanical behavior of the SCC an this study was better than other. SCC compared due to the larger amount of coarse aggregate used.
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