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Assessment of Anchorage Capacity of Naturally Corroded Reinforcement

Mohammad Tahershamsi (Institutionen för bygg- och miljöteknik, Konstruktionsteknik) ; Kamyab Zandi Hanjari (Institutionen för bygg- och miljöteknik, Konstruktionsteknik) ; Karin Lundgren (Institutionen för bygg- och miljöteknik, Konstruktionsteknik) ; Mario Plos (Institutionen för bygg- och miljöteknik, Konstruktionsteknik)
International Association for Bridge and Structural Engineering, IABSE Conference, Assessment, Upgrading and Refurbishment of Infrastructures, 06-08 May 2013, Rotterdam, The Netherlands p. 556-557. (2013)
[Konferensbidrag, refereegranskat]

In this study, the anchorage capacity of naturally corroded reinforcement was investigated. Fourteen specimens with different degrees of corrosion-induced damage were taken from northern edge beams of Stallbacka Bridge in Sweden. All damage including cracking and cover spalling were carefully documented before testing. A four point bending test with suspension hangers at the supports was utilized. In all experiments, diagonal shear cracks preceded the expected splitting-induced pull-out failure. The anchorage behaviour was monitored through measurements of the applied loads, deflections and main bar slips. Combined with the authors’ previous findings, these results increase the knowledge regarding the structural behaviour of corroded reinforced concrete.

Nyckelord: Natural corrosion, anchorage, bond, reinforced concrete beam test, structural behaviour

The paper is written in a two-page short version (hard copy) and a full version (digital copy).

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Denna post skapades 2013-05-14. Senast ändrad 2015-05-08.
CPL Pubid: 176889