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Field and Laboratory Evaluation of Silica Fume Modified Concrete Bridge Deck Overlays in Ohio

O. A. Abdulshafi / M. G. Fitch

The objective of this study was to evaluate, under field and laboratory conditions, the properties of silica fume modified concrete (SFMC) mixes that are currently used by the Ohio Department of Transportation (ODOT) for bridge deck overlays. These mixes have been used with increasing frequency for overlays in Ohio since 1984. The research methods included construction monitoring of nine overlay placement projects, field evaluations of existing overlaid decks, and preparation and testing of laboratory SFMC mixes using materials obtained from the contruction monitoring projects. The field evaluations consisted of visual inspections of 145 decks, and in-depth condition surveys of 28 decks to determine the extent of any delamination/debonding and to obtain core samples for laboratory testing.

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Field and Laboratory Evaluation of Silica Fume Modified Concrete Bridge Deck Overlays in Ohio

O. A. Abdulshafi / M. G. Fitch

The objective of this study was to evaluate, under field and laboratory conditions, the properties of silica fume modified concrete (SFMC) mixes that are currently used by the Ohio Department of Transportation (ODOT) for bridge deck overlays. These mixes have been used with increasing frequency for overlays in Ohio since 1984. The research methods included construction monitoring of nine overlay placement projects, field evaluations of existing overlaid decks, and preparation and testing of laboratory SFMC mixes using materials obtained from the contruction monitoring projects. The field evaluations consisted of visual inspections of 145 decks, and in-depth condition surveys of 28 decks to determine the extent of any delamination/debonding and to obtain core samples for laboratory testing.

Field and Laboratory Evaluation of Silica Fume Modified Concrete Bridge Deck Overlays in Ohio

O. A. Abdulshafi / M. G. Fitch

The objective of this study was to evaluate, under field and laboratory conditions, the properties of silica fume modified concrete (SFMC) mixes that are currently used by the Ohio Department of Transportation (ODOT) for bridge deck overlays. These mixes have been used with increasing frequency for overlays in Ohio since 1984. The research methods included construction monitoring of nine overlay placement projects, field evaluations of existing overlaid decks, and preparation and testing of laboratory SFMC mixes using materials obtained from the contruction monitoring projects. The field evaluations consisted of visual inspections of 145 decks, and in-depth condition surveys of 28 decks to determine the extent of any delamination/debonding and to obtain core samples for laboratory testing.

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Title:

Field and Laboratory Evaluation of Silica Fume Modified Concrete Bridge Deck Overlays in Ohio

Contributors:

O. A. Abdulshafi (author) / M. G. Fitch (author)

Publication date:

1995

Size:

244 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Construction Equipment, Materials, & Supplies , Highway Engineering , Bridge decks , Concretes , Ohio , Coverings , Field tests , Corrosion prevention , Reinforcing steels , Drill core analysis , Silica fume modified concrete

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