NDLI: A study on the bond strength of tension lap splices in self compacting concrete

Content Provider	Springer Nature Link
Author	Pandurangan, K. Kothandaraman, S. Sreedaran, D.
Copyright Year	2009
Abstract	The primary objective of the research reported in this paper was to evaluate the effect of using self compacting concrete on the bond strength and mode of bond failure of tension lap splices anchored in normal strength concrete (NSC). Studies on the effect of transverse reinforcement on anchored reinforcement in self compacting concrete to prevent brittle mode of failure is limited. To meet this objective, full-scale NSC beam specimens were tested. Each beam was designed with bars spliced in a constant moment region at mid-span with various levels of stirrup confinement. The slip of the reinforcement with respect to concrete is also measured by providing notches at the end of the splices. Test results indicated that there is an increase in the bond strength when self compacting concrete is used in place of vibrated concrete. Ductility and splice strength increased as the confinement increased. When the stirrup spacing is less than 150 mm, the failure in the splice region was by yielding of steel. The influence of confinement on the crack formation of the beams is also reported.
Starting Page	1113
Ending Page	1121
Page Count	9
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	43
Issue Number	8
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-12-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bond (reinforcement to concrete) Self compacting concrete Confinement Splice Bond stress–slip Crack-width Ductility Building Materials Civil Engineering Operating Procedures, Materials Treatment Theoretical and Applied Mechanics Materials Science Structural Mechanics
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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