Information on the Bond of Deformed Bars from Special Pullout Tests

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Title: Information on the Bond of Deformed Bars from Special Pullout Tests

Author(s): Leroy A. Lutz

Publication: Journal Proceedings

Volume: 67

Issue: 11

Appears on pages(s): 885-887

Keywords: bond (concrete to reinforcement);cracking (fracturing); deformed reinforcement; friction; pullout tests; reinforced concrete; research; slippage; splitting; stirrups.

Date: 11/1/1970

Abstract:
Two special types of bond tests were conducted to obtain additional information on the influence of some of the variables affecting the bond char-acteristics of deformed bars in concrete. The location and amount of tranverse reinforcement, the type of bar deformation, the proximity of a bar rib to a transverse crack were major variables in this investigation. The type of cracking that was produced by bond was also examined.