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Bond Strength of Reinforcement Lap-Splices in Self-Compacting Concrete Beams

(M.Tech) Structural Engineering, Dept. of Civil Engineering
Associate Professor, Dept. of Civil Engineering Priyadarshini Institute of Technology & Management

The development of self-compacting concrete (SCC) was a significant step towards effectiveness at building sites, realistically producing prefabricated concrete rudiments, improved working conditions and better quality and emergence of concrete structures. By addition of fibers to SCC, bar reinforcement can be replaced and the performance of concrete structures improved. The variation of the bond strength along the flowing path for the different mixes was evaluated. The steel-concrete bond adequacy was evaluated based on normalized bond strength. The results showed that the bond strength was reduced due to Portland cement replacement with dolomite powder. The addition of either silica fume or fly ash positively hindered further degradation as the dolomite powder content increased. The SCC specimens were cast without applying compaction, whereas the specimens of normal concrete were cast by conventional practice with substantial compaction and vibration. The results showed that SCC specimens generated higher bond to reinforcing bars than normal concrete specimens and the correlation between bond strength and compressive strength of NC is more consistent.

B.GIREESH BABU,G.VISWANADH."Bond Strength of Reinforcement Lap-Splices in Self-Compacting Concrete Beams". International Journal of Computer Engineering In Research Trends (IJCERT) ,ISSN:2349-7084 ,Vol.2, Issue 12,pp.935-940, December- 2015, URL :,

Keywords : Self-compacting concrete, Bond strength, Lap splice, Full-scale beam, Positive bending.

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