詹穎雯2006-07-252018-07-092006-07-252018-07-092004http://ntur.lib.ntu.edu.tw//handle/246246/2864In this paper, the experimental results of two reduced-scale bridge column specimens, SCCR1 and NCR1, are presented. SCC was adopted in the construction of specimen SCCR1. During concrete placement, no vibration in any form was applied. On the other hand, the control specimen, NCR1, was cast using conventional concrete and extensive manual vibration was provided in the process of concrete placement to ensure the extent of concrete consolidation. Self-compacting concrete (SCC) is a specially proportioned concrete that can flow in its gravity and fill in the formworks without the need of any internal or external vibration. While being highly fluid, SCC needs to be sufficiently cohesive as well to prevent segregation or blockage of aggregates during flowing. It is believed that the advantages of SCC on structural performance of concrete members come from the following two effects. One is the enhancement in bond strength of rebar and another is the improved consolidation induced increase in confinement when the column is under compression. Both of the effects may contribute to the moment capacity as well as to the ductile behavior of column members. As a result, the observed moment capacity and ductility of SCCR1 is comparable to NCR1. The non-vibration practice of SCC is thus verified.application/pdf122483 bytesapplication/pdfzh-TW國立臺灣大學土木工程學系暨研究所Self-compacting concreteconcrete placementbridge columnbond strengthductilityplastic hingemoment capacityreporthttp://ntur.lib.ntu.edu.tw/bitstream/246246/2864/1/922211E002096.pdf