Index Catalog // ScholarsArchive@OSU

Functional decreases in hydraulic and mechanical properties of field-grown transgenic poplar trees caused by modification of the lignin synthesis pathway through downregulation of the 4-coumarate:coenzyme A ligase gene

Creator:: Voelker, Steven L.
Abstract:: Society uses massive quantities of wood fiber in production of paper, and demand for fiber is projected to increase further as production of biofuels from fermentation of plant cellulosic materials increases. Because these end uses generally require the costly step of removing of lignin, wood with reduced or more easily...
Resource Type:: Dissertation
Full Text:: are critical components of research and development on lignin-modified tree crops

Toxicity of Fungal Pigments from Chlorociboria spp. and Scytalidium spp.

Creator:: Almurshidi, Badria H.
Abstract:: Commercial methodologies for producing fungal pigments are of worldwide interest due to the desire to move away from synthetic dyes. Chlorociboria species and Scytalidium species have been reported to produce sufficient yields of pigments for commercial production and have attracted special attention because of their use in spalted wood applications....
Resource Type:: Masters Thesis
Full Text:: . APPROVED: Major Professor, representing Wood Science Head of the Department of

Developing Design Model for Cellulose Nanocomposites

Creator:: Shir Mohammadi, Meisam
Abstract:: Today nano scale materials are being used for wide range of applications. One promising topic in nano scale materials is using them for reinforcement of different polymeric materials to reach desirable stiffness properties. The stiffness of these materials is mostly found experimentally because the nanocomposite community lacks a decent analytical...
Resource Type:: Dissertation
Full Text:: the Department of Wood Science and Engineering Dean of the Graduate School I understand that my

Comparison of screening, evaluation, rehabilitation and design provisions for wood-framed structures

Creator:: Baxter, Preston
Abstract:: Many publications, documents, codes and guidelines exist related to the seismic evaluation and rehabilitation design of existing buildings. This report discusses the assumptions and methods employed for investigation of two wood structures using four references: FEMA 154, FEMA 356, ASCEI per SEI 31, and 1997 UBC. The screening performed using...
Resource Type:: Masters Thesis

Effective Bonding Parameters for Hybrid Cross-Laminated Timber (CLT)

Creator:: Larkin, Blake
Abstract:: Cross-laminated timber (CLT) is a massive engineered wood product made of orthogonally bonded layers of solid-sawn lumber, and is intended for roof, floor, or wall applications. Although it was developed in Europe in the early 90s, CLT is relatively new to North America. CLT products must be certified for structural...
Resource Type:: Masters Thesis
Full Text:: _____________________________________________________________________ Head of the Department of Wood Science and Engineering

Behavior of Cross-Laminated Timber Diaphragm Panel-to-Panel Connections with Self-Tapping Screws

Creator:: Sullivan, Kyle
Abstract:: The goal of this project is to contribute to the development of design values for cross-laminated timber (CLT) diaphragms in the seismic load-resisting system for buildings. Monotonic and cyclic tests to determine strength and stiffness characteristics of 2.44 m (8 ft) long shear connections with common self-tapping screws were performed....
Resource Type:: Masters Thesis
Full Text:: _____________________________________________________________________ Head of the Department of Wood Science and Engineering

Multi-scale Investigation of Adhesive Bond Durability

Creator:: McKinley, Paige Elizabeth
Abstract:: Moisture durability is essential for wood composites, especially those used in building construction, where products are prone to weathering. The primary focus of this research was to determine if adhesive penetration into the cell wall has a positive influence on adhesive bond durability. To fully understand the measureable effects of...
Resource Type:: Masters Thesis
Full Text:: are prone to weathering. The primary focus of this research was to determine if adhesive penetration

Potential for Using Boron Compounds with Differing Water Solubilities in Pastes for Remedial Treatment of Utility Poles

Creator:: Uysal, Selim
Abstract:: Boron and boron compounds have been long used for pressure treatment, dip-diffusion, and remedial treatments of wood because of their proven efficacy against fungi and insects. These materials are especially attractive because their high water solubility promotes deeper penetration into wood. Other useful properties of boron include its neutral pH,...
Resource Type:: Masters Thesis
Full Text:: . APPROVED: Major Professor, representing Wood Science Head of the Department

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:: of the Department of Wood Science and Engineering Head of the School of Civil and

Investigation of Styrene-Free Unsaturated Polyester Resins for Fiber-Reinforced Composites

Creator:: Wu, Yili
Abstract:: Most of existing commercial unsaturated polyester (UPE) resins are typically composed of a UPE and a high amount of highly volatile, flammable, and toxic styrene. The emission of hazardous styrene in the handling of the UPE resins and the preparation and use of fiber-reinforced UPE composites poses severe hazards to...
Resource Type:: Dissertation
Full Text:: Head of the Department of Wood Science & Engineering Head of the School of

ScholarsArchive@OSU

Functional decreases in hydraulic and mechanical properties of field-grown transgenic poplar trees caused by modification of the lignin synthesis pathway through downregulation of the 4-coumarate:coenzyme A ligase gene

Toxicity of Fungal Pigments from Chlorociboria spp. and Scytalidium spp.

Developing Design Model for Cellulose Nanocomposites

Comparison of screening, evaluation, rehabilitation and design provisions for wood-framed structures

Effective Bonding Parameters for Hybrid Cross-Laminated Timber (CLT)

Behavior of Cross-Laminated Timber Diaphragm Panel-to-Panel Connections with Self-Tapping Screws

Multi-scale Investigation of Adhesive Bond Durability

Potential for Using Boron Compounds with Differing Water Solubilities in Pastes for Remedial Treatment of Utility Poles

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

Investigation of Styrene-Free Unsaturated Polyester Resins for Fiber-Reinforced Composites

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