Index Catalog // ScholarsArchive@OSU

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

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

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

Influence of transport parameters on the fresh and hardened characteristics of ready-mixed concrete

Creator:: Chen, Jiaming
Abstract:: Most specifications for ready-mix concrete (RMC) limit mixing time to 90 minutes and/or truck drum revolution counts (DRC) to 300 before discharge. These specifications have been in place for many years with the objective of ensuring the quality and performance of the finished concrete product. However, limited research has been...
Resource Type:: Masters Thesis
Full Text:: to thank Dr. Burkan Isgor, Dr. Chris Bell and Dr. Jack Higginbotham for being on my thesis

Seismic performance of reinforced concrete bridge columns constructed with grade 80 reinforcement

Creator:: Link, Tim B.
Abstract:: The research presented in this thesis assessed the use of high strength steel (HSS) reinforcement for use in reinforced concrete (RC) bridge columns. HSS is not currently allowed in reinforced concrete bridge columns due to a lack of information on the material characteristics and performance information when used in RC...
Resource Type:: Masters Thesis
Full Text:: for their continued guidance throughout my project. Also, I would like to thank Dr. Burkan Isgor

Characterization of Oxide Growth of Aluminum Alloy 6061 for Nuclear Research and Test Reactors

Creator:: Wei, Youran
Abstract:: Oxide growth is a common phenomenon on aluminum alloy cladding surfaces in nuclear research and test reactors. Without better understanding of oxide growth, excessive oxide build up on the cladding surface reduces heat transfer capability from fuel to coolant and causes safety concerns due to the potential cladding rupture or...
Resource Type:: Masters Thesis
Full Text::  Weight changes of samples  Oxide o Thickness o Chemical composition o Phase identification

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:: drilling holes into the girder web. Smooth as-rolled TiABs with 90 o hooks fabricated on the ends are

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:: Jeff Gent. I would also like to thank my committee members Dr. Andre Barbosa, Dr. Burkan Isgor

ScholarsArchive@OSU

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

Factors Influencing Conversion and Volume Stability in Calcium Aluminate Cement Systems

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

Seismic Performance of Aging Prestressed Transmission Pole with Simulated Soil Foundation

Influence of transport parameters on the fresh and hardened characteristics of ready-mixed concrete

Seismic performance of reinforced concrete bridge columns constructed with grade 80 reinforcement

Characterization of Oxide Growth of Aluminum Alloy 6061 for Nuclear Research and Test Reactors

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

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

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