A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ARCHAEOLOGICAL MUSEUMS OF RETHYMNON AND HERAKLEION
Pilot Diagnostic Studies of Corrosion of Steel Reinforcement in Concrete
Abstract In this work the cases of Archaeological Museums of Rethimnon and Herakleion are examined. Corrosion examination has been succeeded with non destructive techniques such as Fiber Optics Microscopy (FOM), Infra Red Thermography (IR - Th), Ultrasound Velocity (US), Determination of Reinforce Corrosion Potential, Concrete Specific Electrical Resistance and Concrete Carbonation Depth. Destructive techniques were also applied in lab such as X-Ray diffraction, Thermal Analysis, Total Chloride Ions Measurement and Mercury Intrusion Porosime try. The results obtained reveal that concrete reinforcement is in both cases in the energetic state and corrodes. In Herakleion’s Museum the oxidation of the reinforcement is mainly due to concrete carbonation. On the other hand, in the case of Rethimnon Museum the presence of the sandstone in contact with the reinforcement creates a specific situation. The presence of chloride ions is the main reason of corrosion in this case. Chloride ions have been transferred in the concrete mass, mainly due to the marine environment and the close relation to the sandstone, which is affected by salt solutions through out the years. In both cases interventions are proposed in order to inhibit the reinforcement corrosion, in addition with a strength-increase repair solution. In both cases the interventions proposals are decided with care to the sensitive building materials of the museums, such as the sandstone in Rethimnon.
ARCHAEOLOGICAL MUSEUMS OF RETHYMNON AND HERAKLEION
Pilot Diagnostic Studies of Corrosion of Steel Reinforcement in Concrete
Abstract In this work the cases of Archaeological Museums of Rethimnon and Herakleion are examined. Corrosion examination has been succeeded with non destructive techniques such as Fiber Optics Microscopy (FOM), Infra Red Thermography (IR - Th), Ultrasound Velocity (US), Determination of Reinforce Corrosion Potential, Concrete Specific Electrical Resistance and Concrete Carbonation Depth. Destructive techniques were also applied in lab such as X-Ray diffraction, Thermal Analysis, Total Chloride Ions Measurement and Mercury Intrusion Porosime try. The results obtained reveal that concrete reinforcement is in both cases in the energetic state and corrodes. In Herakleion’s Museum the oxidation of the reinforcement is mainly due to concrete carbonation. On the other hand, in the case of Rethimnon Museum the presence of the sandstone in contact with the reinforcement creates a specific situation. The presence of chloride ions is the main reason of corrosion in this case. Chloride ions have been transferred in the concrete mass, mainly due to the marine environment and the close relation to the sandstone, which is affected by salt solutions through out the years. In both cases interventions are proposed in order to inhibit the reinforcement corrosion, in addition with a strength-increase repair solution. In both cases the interventions proposals are decided with care to the sensitive building materials of the museums, such as the sandstone in Rethimnon.
ARCHAEOLOGICAL MUSEUMS OF RETHYMNON AND HERAKLEION
Pilot Diagnostic Studies of Corrosion of Steel Reinforcement in Concrete
Batis, G. (author) / Moropoulou, A. (author) / Chronopoulos, M. (author) / Mavronikolas, Ch. (author) / Athanasiadou, A. (author) / Bakolas, A. (author) / Moundoulas, P. (author) / Aggelakopoulou, E. (author)
2006-01-01
8 pages
Article/Chapter (Book)
Electronic Resource
English
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