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Filtering by: Advisor Higgins, Christopher C. Degree Field Civil Engineering Subject Concrete beams -- Maintenance and repair

Shear strengthening reinforced concrete bridge girders using near-surface mounted titanium alloy bars

Creator:

Knudtsen, Jonathan

Abstract:

Aging and deficient infrastructure has become a major problem throughout the world. This is particularly evident in the case of reinforced concrete (RC) bridges. The cost of replacing these bridges is often prohibitive, thus engineers must find ways to strengthen them. Many older RC bridges predate the modern understanding of...

Resource Type:

Masters Thesis
Investigation of the fatigue behavior of diagonally-cracked CRC deck-girders repaired with CFRP

Creator:

Williams, Grahme T.

Abstract:

Fiber reinforced polymers (FRP) are becoming more widely used for repair and strengthening of conventionally reinforced concrete (CRC) bridge members. Once installed, the repair may be exposed to millions of load cycles during service life. The anticipated life of FRP repairs for shear strengthening of bridge members under repeated service...

Resource Type:

Masters Thesis
Investigation of the behavior of diagonally cracked full-scale CRC deck-girders injected with epoxy resin and subjected to axial tension

Creator:

Smith, Matthew T. (Matthew Todd)

Abstract:

Article 1: Behavior of Epoxy Injected Diagonally Cracked Full-Scale CRC Deck-Girders. Many cast-in place reinforced concrete deck-girder bridges (RCDG) remain in the national inventory and exhibit diagonal cracking. Epoxy injection has been in use for several decades as a method for sealing diagonal cracks, but the effects on girder behavior...

Resource Type:

Masters Thesis