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A theory of bond applied to overlapped tensile reinforcement splices for deformed bars

Ralejs Tepfers (Institutionen för konstruktionsteknik, Betongbyggnad)
Göteborg : Chalmers University of Technology, 1973. ISBN: 99-0082857-7.- 328 s.

A bond theory for deformed reinforcing bars in concrete is elaborated taking into account different stages in development of final rupture occurring as splitting or pull-out. The concrete cover splitting resistance is modelled for a thick-walled concrete ring in elastic and plastic stages. Different final possible failure modes are analysed. Stress distributions along the spliced bars and in surrounding concrete are investigated. The theory is applied on overlapped tensile reinforcement splices. Tests have been performed on more than 300 spliced beams and results show plausible agreement with theory. The influence of different types of confinement on splice strength as stirrups and spirals has been investigated. Fatigue of overlapped splices is discussed and investigated.

Nyckelord: Concrete, reinforcement, bond theory, deformed bars, tensile overlap splices, concrete cover splitting, splitting failures, confinement, fatigue

Denna post skapades 2006-11-21. Senast ändrad 2013-09-25.
CPL Pubid: 23344


Institutioner (Chalmers)

Institutionen för konstruktionsteknik, Betongbyggnad (1971-2004)



Chalmers infrastruktur


Datum: 1973-05-04
Tid: 10.15
Lokal: 10.15 Palmstedtsalen
Opponent: Professor Lars Östlund LTH, Sverige, Professor Lars-Erik Larsson CTH, Sverige

Ingår i serie

Doktorsavhandlingar vid Chalmers tekniska högskola 122A

Doktorsavhandlingar vid Chalmers tekniska högskola. Ny serie 122A

Publikation - Chalmers tekniska högskola, Institutionen för konstruktionsteknik, Betongbyggnad 73:2

Doktorsavhandlingar vid Chalmers tekniska högskola. Ny serie 122A