Index Catalog // ScholarsArchive@OSU

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:: . Nielson for the degree of Master of Science in Civil Engineering presented on July 29, 2015. Title

A kinetic approach for the determination of sorption rate constants using a column-type reactor

Creator:: Patrier, Lionel
Abstract:: A Langmuir sorption model incorporating a second step of irreversible absorption was applied to a model soil system. The column was packed with cellulose triacetate; pulse and step input tests with 3,4-dichlorophenol were performed; the effluent concentration was measured by electron capture detector gas chromatography and sorption rate constants were...
Resource Type:: Masters Thesis
Full Text:: Privacy Abstract approved:_ ,..--- Sandra L. Woods A Langmuir sorption model incorporating a second step

The effect of environmental conditions on the reductive dechlorination of pentachlorophenol by a mixed, methanogenic culture

Creator:: Stuart, Sheryl L.
Resource Type:: Dissertation
Full Text:: dechlorination of pentachlorophenol by a mixed, methanogenic culture AN ABSTRACT OF THE THESIS OF Sheryl L

Effects of substrate interactions, toxicity, and bacterial response during cometabolism of chlorinted solvents by nitrifying bacteria

Creator:: Ely, Roger L.
Abstract:: Cometabolic biodegradation processes, important for bioremediation of hazardous waste sites, are not well understood and have not been modeled thoroughly. Toxic effects and bacterial responses to toxicity may change intracellular enzyme levels, rendering traditional enzyme kinetics models inappropriate. This document presents a novel cometabolic enzyme kinetics model that incorporates enzyme...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Roger L. Ely for the degree of Doctor of Philosophy in Civil Engineering presented on January

Practical modeling for load paths in a realistic, light-frame wood house

Creator:: Pfretzschner, Kathryn S.
Abstract:: The objective of this study was to develop and validate practical modeling methods for investigating load paths and system behavior in a realistic, light-frame wood structure. The modeling methods were validated against full-scale tests on subassemblies and an L-shaped house. The model of the L-shaped house was then modified and...
Resource Type:: Masters Thesis
Full Text:: were validated against full-scale tests on sub- assemblies and an L-shaped house. The model of the L

Microcosm study of enhanced biotransformation of vinyl chloride to ethylene with TCE additions under anaerobic conditions from Point Mugu, California

Creator:: Pang, Incheol Jonathan
Abstract:: This microcosm study demonstrated the enhanced anaerobic transformation of vinyl chloride (VC) to ethylene. A previous microcosm study from Point Mugu site showed the accumulation of VC due to the slow transformation step of VC to ethylene. To overcome the rate-limiting step, two laboratory experiments tested the effect of trichloroethylene...
Resource Type:: Masters Thesis
Full Text:: added at high concentrations (100 mg/L and 200 mg/L), nearly complete transformation of TCE to ethylene

Nitrate and pesticide transport under pear production in clay and sandy soil

Creator:: Cao, Weidong
Abstract:: Groundwater contamination on irrigated land is of concern in this nation and around the world. In order to reduce the potential of groundwater contamination by agricultural practices such as irrigation, fertilizer and pesticide application, vadose-zone monitoring and sampling are needed. The main objective of this study was to evaluate impacts...
Resource Type:: Masters Thesis
Full Text:: ) bicycle sprayer with 4 nozzles. In 10 passes we were able to uniformly apply 13.4 L of the tracer

Lateral Load Path Analysis : Practical Methods for Light-Frame Modular Structures

Creator:: Huynh, Thanh Q.
Abstract:: The objectives of this study are to use SAP2000 to investigate lateral load paths and system behavior in a modular, light-frame wood structure by investigating different foundation configurations and to further develop and validate existing modeling techniques of shear wall elements based on the Perforated Shear Wall Method. The modeling...
Resource Type:: Masters Thesis
Full Text:: and rectangular and L-shaped houses by previous researchers. ASCE 7-10 main lateral-force-resisting

Multi-hazard Damage and Loss Assessment of Bridge Networks

Creator:: Burns, Patrick O.
Abstract:: The overarching objective of this study is to examine and compare the vulnerabilities of bridges combining effects of earthquake-induced ground shaking, ground failure (e.g., landslides and lateral spreading), and tsunami inundation. A parametric study is performed to understand the sensitivity of economic loss and traffic capacity with respect to the...
Resource Type:: Masters Thesis
Full Text:: . ............................................................... 86 Table C-8: Final proposed system fragility for nine bridge types (PGA) (Nielson and

Performance of High-Strength Steel Reinforcement in Shear Friction Applications

Creator:: Matus Casanova, Nicolas A.
Abstract:: The use of high strength steel reinforcement has the potential to provide economic and constructability benefits when used in reinforced concrete structures. However, more research is needed to justify and confidently allow its use. Current design provisions limit the nominal yield strength of reinforcing steel bars to 60 ksi (420...
Resource Type:: Masters Thesis
Full Text:: . ............................................................. 58 Figure 3.19: The L-shape half of a specimen containing #4 (#13M) U-bars at the correct

ScholarsArchive@OSU

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

A kinetic approach for the determination of sorption rate constants using a column-type reactor

The effect of environmental conditions on the reductive dechlorination of pentachlorophenol by a mixed, methanogenic culture

Effects of substrate interactions, toxicity, and bacterial response during cometabolism of chlorinted solvents by nitrifying bacteria

Practical modeling for load paths in a realistic, light-frame wood house

Microcosm study of enhanced biotransformation of vinyl chloride to ethylene with TCE additions under anaerobic conditions from Point Mugu, California

Nitrate and pesticide transport under pear production in clay and sandy soil

Lateral Load Path Analysis : Practical Methods for Light-Frame Modular Structures

Multi-hazard Damage and Loss Assessment of Bridge Networks

Performance of High-Strength Steel Reinforcement in Shear Friction Applications

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