Index Catalog // ScholarsArchive@OSU

Synergistic Effects of Alkali Silica Reaction (ASR) and Fly Ash on the Corrosion Characteristics of Reinforced Concrete Systems

Creator:: Mazarei, Vandad
Abstract:: Alkali silica reaction (ASR) and corrosion of reinforcement are two deterioration mechanisms in reinforced concrete (RC) structures. These deterioration mechanisms can significantly damage a RC structure and reduce its service life. Supplementary cementitious materials (SCMs) are commonly used to improve the durability of RC systems containing reactive aggregate that are...
Resource Type:: Masters Thesis
Full Text:: Ash on the Corrosion Characteristics of Reinforced Concrete Systems

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:: Assessment of Corrosion-Damaged Reinforced Concrete Beams Abstract Approved: Christopher C. Higgins The

Analysis of Reinforced Concrete Beams with Corrosion Damaged Stirrups for Shear Capacity

Creator:: Higgins, Christopher, Turan, O. Tugrul, and Farrow, William C. III
Abstract:: Corrosion of embedded carbon steel is a leading factor in deterioration of aging conventional reinforced concrete structures. Methods to accurately predict remaining capacity of corrosion damaged elements, especially shear capacity, are lacking. In this paper, ACI-AASHTO approach, Strut and Tie Method, Modified Compression Field Theory, and Response 2000 were used...
Resource Type:: Article
Full Text:: Analysis of Reinforced Concrete Beams with Corrosion Damaged Stirrups for Shear Capacity Christopher

Assessing the seismic performance of corroding RC bridge columns

Creator:: Guo, Yisen
Abstract:: Corrosion of reinforcement is recognized as the predominant factor that limits the service life of reinforced concrete (RC) structures exposed to aggressive environments. This corrosion deterioration can lead to damage resulting in capacity loss or even failure. For structures exposed to coastal marine environments or deicing or anti-icing applications, this...
Resource Type:: Masters Thesis
Full Text:: reinforced concrete (RC) structures exposed to aggressive environments. This corrosion deterioration can

Analysis of diagonally cracked conventionally reinforced concrete girders in the service load range

Creator:: Robelo, Melissa J.
Abstract:: Performance evaluation of conventionally reinforced concrete (CRC) bridge superstructure elements with diagonal cracks is of interest to the bridge engineering community. Standardized methods to predict service-level stress magnitudes in cracked bridge girders under combined bending and shear forces are not available. An analysis procedure was developed to determine the response...
Resource Type:: Masters Thesis
Full Text:: Cracked Conventionally Reinforced Concrete Girders in the Service Load Range Abstract Approved

Transport of chloride ions during accelerated cathodic protection of reinforced concrete structures

Creator:: Rehani, Manu
Abstract:: Chloride ion migration was studied under accelerated cathodic protection conditions using 6" x 6" x 6" mortar blocks of varying initial chloride content and water to cement ratios. An iron mesh embedded parallel to one face in the blocks acted as the cathode and zinc was thermally sprayed on the...
Resource Type:: Masters Thesis
Full Text:: systems to stop chloride-induced corrosion in coastal, reinforced concrete bridges. This methodology is

The use of blended synthetic fibers to reduce cracking risk in high performance concrete (HPC)

Creator:: Bañuelos, José
Abstract:: High Performance Concrete (HPC) is used in our crucial pieces of infrastructure, such as bridge decks, due to its enhanced durability and engineering properties. However, HPC is highly susceptible to early-age cracking. Cracking within the first months of a bridge deck’s lifespan can severely hinder its long-term performance and durability....
Resource Type:: Masters Thesis
Full Text:: can severely hinder its long-term performance and durability. Fiber reinforced concrete (FRC) is

Experimental Investigation of the Effects of Embedded Rebar, Cracks, Chloride Ingress and Corrosion on Electrical Resistivity Measurements of Reinforced Concrete

Creator:: Morales, Monica
Abstract:: The effects of steel reinforcement, chloride-induced corrosion initiation, cracking and delamination on the electrical resistivity measurements using the Wenner probe technique were studied experimentally on custom-designed reinforced concrete slabs. Investigation parameters included (1) probe configurations with respect to rebar mesh, (2) rebar density, (3) epoxy coating on the rebar, (4)...
Resource Type:: Masters Thesis
Full Text:: processes (i.e., chloride ingress and chloride-induced corrosion) of reinforced concrete slabs on the

Electrochemical modeling of cathodic protection systems applied to reinforced concrete structures

Creator:: Muehlenkamp, Erik B.
Abstract:: A numerical model for the cathodic protection of steel in reinforced concrete is developed. Parameters are set to represent a three-dimensional section of a bridge beam exposed to the atmosphere and coated with a thermally sprayed zinc anode. Both diffusion of oxygen and conduction of charge within the concrete are...
Resource Type:: Masters Thesis
Full Text:: the Spatial Uniformity of Cathodic Protection of Steel in Reinforced Concrete," Corrosion 61, 519

Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection

Creator:: Orlova, Nadejda V.
Abstract:: The migration of chloride ions in concrete with steel reinforcement under cathodic protection was investigated. Mortar blocks (15 cm x 15 cm x 17 cm) of various composition (water to cement ratio, chloride ion content) were cast with an iron mesh cathode embedded along one face and a thermally sprayed...
Resource Type:: Masters Thesis
Full Text:: commonly used techniques to protect reinforced concrete from corrosion is cathodic protection. In

ScholarsArchive@OSU

Synergistic Effects of Alkali Silica Reaction (ASR) and Fly Ash on the Corrosion Characteristics of Reinforced Concrete Systems

Shear capacity assessment of corrosion-damaged reinforced concrete beams

Analysis of Reinforced Concrete Beams with Corrosion Damaged Stirrups for Shear Capacity

Assessing the seismic performance of corroding RC bridge columns

Analysis of diagonally cracked conventionally reinforced concrete girders in the service load range

Transport of chloride ions during accelerated cathodic protection of reinforced concrete structures

The use of blended synthetic fibers to reduce cracking risk in high performance concrete (HPC)

Experimental Investigation of the Effects of Embedded Rebar, Cracks, Chloride Ingress and Corrosion on Electrical Resistivity Measurements of Reinforced Concrete

Electrochemical modeling of cathodic protection systems applied to reinforced concrete structures

Analytical methods for the study of migration of chloride ions in reinforced concrete under cathodic protection

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