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Research Reports
Filter by Keyword17 report(s) found with bridge decks in the keywords field Concrete has been used in dams, bridges, and highway pavements in which freeze-thaw process and cyclic loading are considered as important factors affecting its mechanical behavior during its service life. Damage caused by frost expansion is a primary concern when designing concrete structures in cold... This report presents a two-part research program examining the performance of constructed bridges in a cold region, represented by those in the State of North Dakota, and the behavior of concrete members strengthened with carbon fiber reinforced polymer (CFRP) composite sheets in such a service condition.... A wood-concrete composite bridge constructed of recycled utility poles is a potentially cost effective solution to repair a portion of the 108,647 rural bridges that have been deemed functionally obsolete or structurally deficient and have a span under thirty feet in length. This research project focuses... This report describes the results of examining the effects of weather exposure conditions on the connection details of the open deck timber trestle bridge. As an exploratory experimental study, the time dependent mechanical effects of moisture, temperature and humidity on a particular connection detail... Research at Colorado State University in wood-concrete layered composites for structural applications has been in progress for more than a decade. Key features of the research are experimental and analytical work to analyze notched shear key interlayer connections. These connections are being used to... The concept of combining wood and concrete in layered composite bridge deck was investigated. A shear key/anchor detail recently used in Europe to construct floors in office buildings was adapted for this study. This connection detail provides the interlayer shear transfer between the layers. Laboratory... This report presents a brief historical overview of the development of expansive (shrinkage compensating) concrete. Three Utah Department of Transportation projects using expansive concrete are discussed as to the performance of the expansive concrete. On-site inspections were performed on three projects... |
