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An application of HPFRCC and fiber net for recovering strength of RC members deteriorated by chloride induced corrosion



Author(s): K. Kobayashi, S. Asano, R. Ohashi, K. Rokugo
Paper category: Conference
Book title: 8th RILEM International Symposium on Fiber Reinforced Concrete: challenges and opportunities (BEFIB 2012)
Editor(s): Joaquim A.O. Barros
Print ISBN: 978-2-35158-132-2
e-ISBN: 978-2-35158-133-9
Publisher: RILEM Publications SARL
Pages: 739 - 748
Total Pages: 9
Language: English


Abstract: 
This study proposes a patching method using HPFRCC as a repairing technique for the RC member deteriorated by chloride-induced corrosion. The deteriorated cover concrete in RC beams was removed as far as to the backside of the tensile rebar with a water jet, after which HPFRCC was overlaid by shotcreting. The effects of combined use of a fiber net and HPFRCC on the mechanical performance of the beams were also investigated. Patching repair with HPFRCC proved to be effective to recover reduced yield strength and ultimate strength of the deteriorated beam.


Online publication: 2013
Publication Type: full_text
Public price (Euros): 0.00


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