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Flexural performance of concrete beam splices with different surrounding concretes
In this study, tests were conducted to investigate the effect of different concretes on the behaviour of reinforced concrete beams with central splices. Five beam specimens were prepared using different concrete mixes in their splice regions. Experimental results indicated that the bond failure of the spliced rebars governed the ultimate flexural behaviour of all specimens, except the one cast with steel fibres. A small increase in flexural strength was found for both the spliced beams cast with high-strength concrete and steel fibres. Moreover, use of high-strength concrete and steel fibrous concrete led to a remarkable improvement in the beam's displacement capacity. The effect of pulverised fuel ash on the splice performance was insignificant while the introduction of silica fume caused improvements in loading capacity and ductility.
Flexural performance of concrete beam splices with different surrounding concretes
In this study, tests were conducted to investigate the effect of different concretes on the behaviour of reinforced concrete beams with central splices. Five beam specimens were prepared using different concrete mixes in their splice regions. Experimental results indicated that the bond failure of the spliced rebars governed the ultimate flexural behaviour of all specimens, except the one cast with steel fibres. A small increase in flexural strength was found for both the spliced beams cast with high-strength concrete and steel fibres. Moreover, use of high-strength concrete and steel fibrous concrete led to a remarkable improvement in the beam's displacement capacity. The effect of pulverised fuel ash on the splice performance was insignificant while the introduction of silica fume caused improvements in loading capacity and ductility.
Flexural performance of concrete beam splices with different surrounding concretes
Leung, H.Y. (author)
Structural Survey ; 21 ; 216-224
2003-12-01
9 pages
Article (Journal)
Electronic Resource
English
Flexural performance of concrete beam splices with different surrounding concretes
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