Index Catalog // ScholarsArchive@OSU

The Effects of Temperature on Electrical Resistivity Measurements of Concrete

Creator:: Coyle, Alex T.
Abstract:: Measuring resistivity as a method to calculate formation factor is becoming a popular way to evaluate transport properties of concrete. Resistivity measurements are dependent on multiple factors including the resistivity of the pore solution, leaching effects, the degree of saturation of the specimen, the age of the specimen (degree of...
Resource Type:: Masters Thesis

Chemical transformation of rice husk ash for sustainable, constructable, and durable binary cementitious system

Creator:: Prasittisopin, Lapyote
Abstract:: The production of cement and concrete results in the production of large amounts of CO₂ emissions which can have significant negative environmental impacts. Using supplementary cementing materials (SCMs) as a cement replacement is an effective solution to reduce these negative environmental impacts, as most SCMs are waste by-products from other...
Resource Type:: Dissertation
Full Text:: the other committee members, Dr. Chris A. Bell, Dr. Burkan O. Isgor, Dr. Lech Muszyński, and Dr

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:: him. Also, I would like to thank Dr. Andre Barbosa, Dr. Burkan Isgor, and Dr. John Sessions for

Assessing Durability of Concrete and Ettringite Accelerated Cementitious System

Creator:: Sarkar, Anika T.
Abstract:: The goal of the first part of this project was to investigate the influence of aggregate source and entrained air on the transport properties of concrete. Currently, there are several ASTM standards available that provide systematic procedures to evaluate mass transport properties of concrete. ASTM C642-13 (ASTM 2013), often referred...
Resource Type:: Capstone Project
Full Text:: family. I would also like to thank my committee members, Dr. O. Burkan Isgor and Dr. Erdem Coleri, for

The Evaluation of Cementitious Pore Solution Composition and Electrical Resistivity Using X-ray Fluorescence (XRF)

Creator:: Tsui Chang, Marisol
Abstract:: Interest in performance specifications has been growing in the civil and construction industry in the past decade. One major focus area has been on understanding how to prolong the service life of concrete structures, since repair and rehabilitation of existing infrastructure have cost many trillions of dollars. Deterioration mechanisms such...
Resource Type:: Masters Thesis
Full Text:: ), Dr. Prannoy Suraneni (post-doctoral researcher), Dr. O. Burkan Isgor (professor), and Dr. David

Density Functional Theory Study of the Reaction Mechanism of Chloride-induced Depassivation of α-Fe2O3

Creator:: Pang, Qin
Abstract:: Carbon steel, which contains mostly iron, has been widely used as reinforcement in reinforced concrete. In the alkaline environment in reinforced concrete, a thin iron oxide film, called the passive film, forms on the surface of the steel, which protects the surface from active corrosion. The exact atomic structure of...
Resource Type:: Dissertation
Full Text:: appreciation to Prof. O. Burkan Isgor. Thank you for your valuable suggestions, guidance, and support for my

Factors Influencing Conversion and Volume Stability in Calcium Aluminate Cement Systems

Creator:: Adams, Matthew P. (Matthew Peter)
Abstract:: There is renewed interest in North America for the use of calcium aluminate cement (CAC) in infrastructure repair. The interest is driven by the specialty properties that make CAC the ideal candidate for particular applications. These include rapid strength gain, even at temperatures approaching 0°C, the ability to customize fresh...
Resource Type:: Dissertation
Full Text:: collection for Chapters 2, 3, 4, and 5. Dr. O. Burkan Isgor, Dr. Tengfei Fu, Monica Morales, and Adal

Improving the Performance of High Early Strength Concrete by Controlling Self-Desiccation and Mitigating Shrinkage

Creator:: Wilson, Cameron A.
Abstract:: High early strength (HES) concrete is becoming increasingly used to repair damaged concrete pavement sections. The use of HES concrete enables the repaired pavement to be opened to traffic within hours of placing the concrete. A common approach used for the rapid repair of concrete pavement consists of closing a...
Resource Type:: Masters Thesis

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

Creator:: Nielson, Drew R.
Abstract:: Use of high-strength steel (HSS) reinforcing bars could provide constructability and economic benefits for the construction of structures, reducing the initial and ultimately the life-cycle cost of bridge and building structural elements. This thesis summarizes work performed in a research project on the use of HSS reinforcing bars for concrete...
Resource Type:: Masters Thesis
Full Text:: graduate research assistant. I would also like to thank Dr. Burkan Isgor and Dr. David Myrold for serving

Seismic Performance of Aging Prestressed Transmission Pole with Simulated Soil Foundation

Creator:: Argo, Maximo
Abstract:: The Cascadia Subduction Zone has recently been identified as a source for an impending great earthquake. The potential of a large earthquake has created widespread interest into the resiliency of lifelines within the potentially affected areas. One critical lifeline is the electrical distribution and transmission systems which relies on legacy...
Resource Type:: Masters Thesis
Full Text:: Argo, Author ACKNOWLEDGEMENTS I would like to sincerely thank Dr. Chris Higgins, Dr. Burkan

ScholarsArchive@OSU

The Effects of Temperature on Electrical Resistivity Measurements of Concrete

Chemical transformation of rice husk ash for sustainable, constructable, and durable binary cementitious system

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

Assessing Durability of Concrete and Ettringite Accelerated Cementitious System

The Evaluation of Cementitious Pore Solution Composition and Electrical Resistivity Using X-ray Fluorescence (XRF)

Density Functional Theory Study of the Reaction Mechanism of Chloride-induced Depassivation of α-Fe2O3

Factors Influencing Conversion and Volume Stability in Calcium Aluminate Cement Systems

Improving the Performance of High Early Strength Concrete by Controlling Self-Desiccation and Mitigating Shrinkage

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

Seismic Performance of Aging Prestressed Transmission Pole with Simulated Soil Foundation

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