Effect of Welding on Ductility of Rebars
Publication: Journal of Materials in Civil Engineering
Volume 7, Issue 4
Abstract
When reinforcing cages for reinforced concrete structures are fabricated by robots using tack welds to improve productivity, the ductility and strength of the rebars are affected. This paper presents information on the effect of welds on the mechanical properties of rebars under uniaxial monotonic loads. It is found in the study that welding reduces the ductility and strength of rebars, but that annealing is not necessary from the standpoint of reinforced concrete design.
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References
1.
ACI Committee 318. (1989). “Building code requirements for reinforced concrete.”ACI 318-89, Am. Concrete Inst., Detroit, Mich.
2.
ASTM. (1987). “Standard specification for deformed and plain billet-steel bars for concrete reinforcement.”ASTM A 615-87a, 1989 Annual Book for ASTM Standards, Vol. 1.04, Philadelphia, Pa., 548–552.
3.
AWS D1.4-92; “Structural welding code—reinforcing steel. (1992). 4th Ed., Am. Welding Soc., Miami, Fl.
4.
Freedman, S. (1974). “Properties of materials for reinforced concrete.”Handbook of concrete engineering, M. Fintel, ed., Van Nostrand Reinhold Co., New York, N.Y., 141–211.
5.
Neilsen, R. W.(1992). “Construction field operations and automated equipment.”Automation in Constr., 1(1), 35–46.
Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 7 • Issue 4 • November 1995
Pages: 283 - 285
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Nov 1, 1995
Published in print: Nov 1995
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