Index Catalog // ScholarsArchive@OSU

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
Full Text:: : _____________________________________________________________________ Christopher C. Higgins Article 1: Behavior of Epoxy Injected Diagonally Cracked

Applying climate change information to hydraulic and hydrologic transportation infrastructure

Creator:: Al Naabi, Rawan Y.
Abstract:: Scour is the main cause of bridge failures in the United States. Bridge failures raise a hazard to the safety of the traveling public as well as the massive economic consequences due to the high cost of constructing a new or a replacement bridge. The Oregon Department of Transportation (ODOT)...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Christopher C. Higgins Scour is the main cause of bridge failures in the United States

Flexural steel anchorage performance at diagonal crack locations

Creator:: Triska, Mary Ann
Abstract:: Large numbers of reinforced concrete deck girder bridges that were constructed during the interstate system expansion of the 1950s have developed diagonal cracking in the stems. Compared to the present AASHTO-LRFD standards, the provisions of the 1950s allowed for higher shear stress in the concrete, thus reducing the amount of...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Christopher C. Higgins

Environmental durability of reinforced concrete deck girders strengthened with surface-bonded carbon fiber-reinforced polymer

Creator:: Sopal, Gautam Jayant
Abstract:: Long-term durability of surface-bonded carbon fiber-reinforced polymer (CFRP) for shear strengthening of reinforced concrete (RC) bridge members remains uncertain due to the limited field experience with these materials. This paper provides experimental results from the testing of full-scale RC bridge girder specimens after exposure to prolonged environmental exposure and combined...
Resource Type:: Masters Thesis
Full Text:: with Surface-Bonded Carbon Fiber-Reinforced Polymer. Abstract approved: Christopher C

Experimental and Analytical Studies of Large-Scale Pile Caps

Creator:: Al-Sakin, Yasmeen
Abstract:: Pile caps are structural elements used to transfer loads from columns to a group of piles, which transfer them to stronger soil layers. Pile cap with horizontal distance between the column and piles less than twice its effective depth is categorized as "deep," where significant nonlinear strain distribution occurs through...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Christopher C. Higgins Pile caps are structural elements used to transfer loads from

Testing and evaluation of flexural reinforcing bars terminating in columns

Creator:: Koester, Carl C.
Abstract:: Capacity of transverse 1950's vintage reinforced concrete deck girder bridge bent caps with large straight bar anchorages were investigated and evaluated. Eleven subassemblage column specimens were examined with different anchorage lengths, bar groupings, amount of transverse steel, and externally applied axial force. Test results showed an increase in anchorage capacity...
Resource Type:: Masters Thesis
Full Text:: : Christopher C. Higgins Capacity of transverse 1950's vintage reinforced concrete deck girder bridge bent

Influence of diagonal cracks on negative moment flexural anchorage performance in reinforced concrete bridge girders

Creator:: Goodall, Joshua K.
Abstract:: Large numbers of vintage reinforced concrete deck-girder bridges remain in the national bridge inventory. Many of these exhibit diagonal cracking and other distress. Due to the design practices of the time, it is common to observe cracks at locations where flexural reinforcing steel is terminated along the span. The presence...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________ Christopher C. Higgins Large numbers of vintage reinforced concrete deck-girder bridges

New acoustic emission applications in civil engineering

Creator:: Schumacher, Thomas
Abstract:: Non-destructive testing methods and applications have become of increasing interest due to the worldwide aging and deteriorating infrastructure network. In the field of Civil Engineering, bridges and bridge components as well as non-structural elements such as roadway pavements for example, are affected. In particular, the Acoustic Emission (AE) technique offers...
Resource Type:: Dissertation
Full Text:: . Title: New Acoustic Emission Applications in Civil Engineering Abstract approved: Christopher

Experimental research on the behavior and strength of large-scale steel gusset plates with sway-buckling response including effects of corrosion and retrofit options

Creator:: Hafner, Anthony G.
Abstract:: The collapse of the I-35W Bridge in Minneapolis, MN on August 1, 2007 brought into question the design and inspection of gusset plates in steel truss bridges. The experimental tests performed in this research study the sway-buckling strength and behavior of large-scale steel gusset plates in an isolated truss connection....
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Christopher C. Higgins The collapse of the I-35W Bridge in Minneapolis, MN

Non-destructive determination of yield stress for in-situ gusset plates

Creator:: Pflaum, Therese Michelle
Abstract:: Failure of a gusset plate that caused the I-35W Bridge collapse in Minneapolis, MN resulted in mandated rating of connections by the Federal Highway Administration (FHWA). Rating connections requires material properties as an input. The material properties are generally reported on the available detailed drawings for bridges. However, some bridges...
Resource Type:: Masters Thesis
Full Text:: Plates Abstract approved: ______________________________________________________ Christopher C

ScholarsArchive@OSU

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

Applying climate change information to hydraulic and hydrologic transportation infrastructure

Flexural steel anchorage performance at diagonal crack locations

Environmental durability of reinforced concrete deck girders strengthened with surface-bonded carbon fiber-reinforced polymer

Experimental and Analytical Studies of Large-Scale Pile Caps

Testing and evaluation of flexural reinforcing bars terminating in columns

Influence of diagonal cracks on negative moment flexural anchorage performance in reinforced concrete bridge girders

New acoustic emission applications in civil engineering

Experimental research on the behavior and strength of large-scale steel gusset plates with sway-buckling response including effects of corrosion and retrofit options

Non-destructive determination of yield stress for in-situ gusset plates

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