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content name:	SAMARIS - Specification fo the use of corrosion inhibitors for the rehabilitation of concrete highway structures
	Reinforced concrete bridges are required to maintain their serviceability over long periods of time, typically 120 years. Although this service life expectation was stated or implied, it did not explicitly form part of the specification process during the period when much of the developed world’s current highway infrastructure was constructed. For a considerable period reinforced concrete was regarded as a maintenance-free material but corrosion of steel in concrete bridges, initiated by chloride ingress, or less commonly by carbonation, has become a major problem for highway authorities. Highway authorities worldwide have been required to commit substantial resources to repair contracts. Of equal significance are the collateral costs associated with traffic delays and increased journey times caused by road closure and lane restrictions. Traditional repair techniques involve many stages and are time consuming; the failure of traditional repairs is especially irritating when time and investment is a precious commodity. This aspect has been a driver for the development of innovative techniques for supplementing repair methods of the extensive existing stock of highway infrastructure assets in a time- and cost-efficient manner. One such technique is the use of surface-applied corrosion inhibitors.

content link:	http://www.fehrl.org/index.php?m=32&mode=download&id_file=920

content language:	English
English summary:	yes

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This content is related to:

project type

EC FP5/FP4

area of interest

construction materials

ENVIRONMENT, ENERGY & RESOURCES

DESIGN & PRODUCTION

user type

road authorities/owners

construction companies

material producers

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created: Sylvia Derveaux, 14.05.2009 16:40:00
last modified: Sylvia Derveaux, 04.05.2011 10:39:45

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