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Application of Titanium Alloy Bars for Strengthening Reinforced Concrete Bridge Girders in Flexure

Creator:: Vavra, Eric
Abstract:: Structurally efficient and cost-effective solutions are needed to extend the service-life of deficient and aging highway infrastructure around the world. One critical need is to increase the flexural strength of older reinforced concrete (RC) structures to carry heavier and more frequent loads. Titanium alloy bars (TiAB) offer a new opportunity...
Resource Type:: Masters Thesis
Full Text:: : Application of Titanium Alloy Bars for Strengthening Reinforced Concrete Bridge Girders in Flexure

A review of research on shear and diagonal tension in reinforced concrete beam

Creator:: Yang, Jui-Tsung
Abstract:: Resistance of reinforced concrete beams to diagonal tension was studied in a series of papers which included beams without web reinforcement and beams with various types of web reinforcement. The magnitude of the loading causing the formation of initial diagonal tension cracks depended primarily on the dimensions of the cross...
Resource Type:: Masters Thesis
Full Text:: reinforced concrete beam AN ABSTRACT OF THE THESIS OF Jui -Tsung Yang for the Master of Science in

Horizontally curved beam analysis and design

Creator:: Wong, Yee-chit
Abstract:: This paper is a theoretical approach to solve problems of horizontally curved beams Castiglione's theorem is applied to solve for the fixed end bending moments, maximum span moments and fixed end torsional moments. To calculate the vertical deflection at the midspan of the curved beam the moment-area method is used....
Resource Type:: Masters Thesis
Full Text:: Horizontally curved beam analysis and design AN ABSTRACT

Shear capacity assessment of corrosion-damaged reinforced concrete beams

Creator:: Farrow, William C.
Abstract:: The research presented here is a study to determine the effect of shear reinforcement corrosion on the shear capacity in conventionally reinforced concrete (CRC) bridge elements. A total of 14 CRC beams were tested using three stirrup spacings (8, 10, and 12-inch). Six of the beams included the influence of...
Resource Type:: Masters Thesis
Full Text:: field conditions and not be influenced by time varying concrete strength. Beam Dimensions Beam h b b

A torsional investigation of a concrete I grider

Creator:: Martin, Roy Charles
Abstract:: This paper investigates a particular bridge construction technique which could result in a significant torsional moment. The structural member under consideration is a prestressed concrete girder for which no torsional consideration is made. Torsional shear stresses can be adequately approximated for an I-shaped girder. Laboratory model tests were performed to...
Resource Type:: Masters Thesis
Full Text:: concrete beam. Many theories have been given for the reason, and several foreign codes have realized this

High-cycle fatigue response of diagonally-cracked conventionally reinforced concrete bridge girders

Creator:: Lee, Ae-young S.
Abstract:: The behavior of stirrups engaged by diagonal cracks and under service loads is largely unknown. Full-size laboratory specimens were loaded to induce diagonal cracks and subjected to high-cycle fatigue loading to represent a service life of 50 years. Tests indicated little change in the average stirrup stress range and mean...
Resource Type:: Masters Thesis

Finite element modeling of reinforced concrete beams externally strengthened by FRP composites

Creator:: Potisuk, Tanarat
Abstract:: Three-dimensional finite element models are developed to simulate the behavior of four fill-scale reinforced concrete beams. The beams are constructed with different fiber-reinforced polymer (FRP) strengthening schemes, and are modeled using ANSYS, a commercially available finite element analysis program. The experimental beams replicate the transverse beams of the Horsetail Creek...
Resource Type:: Masters Thesis

Strengthening reinforced concrete beams using FRP composite fabrics : full-scale experimental studies and design concept verification

Creator:: McCurry, David D.
Abstract:: The Horsetail Creek Bridge (HCB), constructed in 1914, is located along the Historic Columbia River Highway in Oregon. The original cross beams from the HCB were substantially deficient in shear strength, particularly for the projected increase in traffic loads. One control beam and three beams with varying configurations of a...
Resource Type:: Masters Thesis

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:: achieve the demand stresses. When load is applied to a reinforced concrete beam, bond stresses between

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
Full Text:: method involves epoxying a bar or strip into a groove cut on the side of a concrete beam. It was

ScholarsArchive@OSU

Application of Titanium Alloy Bars for Strengthening Reinforced Concrete Bridge Girders in Flexure

A review of research on shear and diagonal tension in reinforced concrete beam

Horizontally curved beam analysis and design

Shear capacity assessment of corrosion-damaged reinforced concrete beams

A torsional investigation of a concrete I grider

High-cycle fatigue response of diagonally-cracked conventionally reinforced concrete bridge girders

Finite element modeling of reinforced concrete beams externally strengthened by FRP composites

Strengthening reinforced concrete beams using FRP composite fabrics : full-scale experimental studies and design concept verification

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

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

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