Index Catalog // ScholarsArchive@OSU

In-plane Creep Behavior of Cross-laminated Timber and Mass Plywood Panels: A Methodology to Evaluate the Long-term Performance of Post-Tensioned Mass Timber Walls

Creator:: Longman, Ryan P.
Abstract:: Post-tensioned (PT) self-centering shear walls were designed to reduce structural damage from seismic activity. However, these lateral force resistant systems experience post-tension loss negatively affecting the re-centering capability due to delayed deformations experienced by engineered wood products over time. The long-term mechanical response of mass-timber panels to in-plane PT loads...
Resource Type:: Masters Thesis
Full Text:: Methodology to Evaluate the Long-term Performance of Post-Tensioned Mass Timber Walls Abstract

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:: ) – (Appendices E and F) 4. A three dimensional, L-shaped house was modeled and validated against full- scale

Effects of Moisture Intrusion on the Performance of a Cross-Laminated Timber (CLT) Angle Bracket Connection

Creator:: Bora, Shrenik S.
Abstract:: Cross-laminated timber (CLT) is revolutionizing the use of wood in the construction sector of North America as a solution for walls and diaphragms in mid-rise or even high-rise timber structures on account of its environmental advantages, high strength-to-weight ratio, fire-safety performance, and propensity for prefabrication. However, considering the hygroscopic nature...
Resource Type:: Masters Thesis
Full Text:: wall-to-diaphragm L-bracket connection is exposed to two high moisture exposure conditions - flood

Evaluation of remediation techniques for circular holes in the webs of wood I-joists

Creator:: Polocoser, Tiberiu
Abstract:: The objective of this project was to evaluate methods to remediate a wood I-joist with a single, circular hole in the web while leaving utilities in place. The methods were experimentally evaluated with a full-scale bending test using four equally spaced point loads. There were three depths of joists with...
Resource Type:: Masters Thesis
Full Text:: and two span lengths (4.88 m & 2.44 m). Failure modes for the long span joists without holes were in

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

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:: of 2.44 m (8 ft) long shear connections with common self-tapping screws were performed

Moisture effects on properties of wood-composite assemblies

Creator:: King, David
Abstract:: Engineered wood composites are used in many structural applications and are intended for dry use. However, these materials may encounter significant amounts of wetting while in service, which can lead to structural failures. This study combined aspects of wood science, mechanics, structural engineering, and mycology to assess changes in material...
Resource Type:: Masters Thesis
Full Text:: ................................................................................. 51 4-4. Typical shear wall wetting patterns a) Type B, b) Type F, c) Type T, d) Type L, e) Type I

Examination of lateral stiffness and strength of pitched residential roof diaphragms with implications for seismic design.

Creator:: Kirkham, William J.
Abstract:: There are about 80 million single-family dwellings (SFD) in the United States, predominantly of wood-frame construction. Of these, 68% are owner occupied. A home is typically the largest single investment of a family, and is often not covered by earthquake insurance, even where it is available. Of all SFD in...
Resource Type:: Dissertation
Full Text:: design, compares rigid and flexible diaphragm analyses for different geometries of “L” shaped WFSFD

The effect of hold-down misplacement on the strength and stiffness of wood shear walls

Creator:: Lebeda, Dana J.
Abstract:: The objective of this study was to determine the effect of misplaced hold-downs on the static and cyclic behavior of wood shear walls. Three shear wall configurations were considered in this study. The first configuration (control) had hold-downs at the ends of the wall (wall type 1), the second configuration...
Resource Type:: Masters Thesis
Full Text:: ., connected with 16d (3.33 mm dia. x 82.6 mm long) pneumatic gun driven nails. The 1.22 m x 2.44 m x 11.5 mm

Reassessment of Grading Criteria with Respect to the Flexural Properties of Douglas-fir Crossarms

Creator:: Anderson, Christopher H.
Abstract:: Wood plays a key role in modern electrical infrastructure; crossarms and power poles utilize the high strength to weight ratio, availability and low cost of wood to facilitate the access of power to millions of Americans. However, wood presents a variety of challenges as a material. In structural applications, one...
Resource Type:: Masters Thesis
Full Text:: of knots and other defects. Knots have long been recognized as crucial defects in structural timber

ScholarsArchive@OSU

In-plane Creep Behavior of Cross-laminated Timber and Mass Plywood Panels: A Methodology to Evaluate the Long-term Performance of Post-Tensioned Mass Timber Walls

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

Effects of Moisture Intrusion on the Performance of a Cross-Laminated Timber (CLT) Angle Bracket Connection

Evaluation of remediation techniques for circular holes in the webs of wood I-joists

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

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

Moisture effects on properties of wood-composite assemblies

Examination of lateral stiffness and strength of pitched residential roof diaphragms with implications for seismic design.

The effect of hold-down misplacement on the strength and stiffness of wood shear walls

Reassessment of Grading Criteria with Respect to the Flexural Properties of Douglas-fir Crossarms

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