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Thermal Degradation of Lateral Yield Strength of Nailed Wood Connections

Creator:: Sinha, Arijit, Gupta, Rakesh, and Nairn, John A.
Abstract:: This study investigated the effect of exposure to elevated temperature on the yield strength of single-shear nail connections when subjected to lateral loading. Solid sawn lumber and laminated veneer lumber were used as framing members and two different thicknesses of both oriented strand board and plywood were used as the...
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Full Text:: Thermal Degradation of Lateral Yield Strength of Nailed

Thermal degradation of bending strength of plywood and oriented strand board: a kinetics approach

Creator:: Sinha, Arijit, Nairn, John A., and Gupta, Rakesh
Abstract:: The construction industry has relied heavily on wood and wood-based composites, such as oriented strand board (OSB) and plywood for timber frame construction. Therefore, it is highly imperative to categorize the response of wood-based composites when exposed to elevated temperatures for a sustained period of time. The essence of fire-resistant...
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Full Text:: ORI GIN AL Thermal degradation of bending strength of plywood

Thermal degradation of bending properties of structural wood and wood-based composites

Creator:: Sinha, Arijit, Gupta, Rakesh, and Nairn, John A.
Abstract:: Wood and wood-based composites are being used extensively in single-family residential dwellings. Therefore, it is important to categorize their response when exposed to elevated temperatures for a sustained period of time. In fire-resistant design for wood structures, the main goal is to ensure that enough structural integrity is maintained, during...
Resource Type:: Article
Full Text:: - ferent temperatures and times of exposure and the thermal degradation of strength. A total of 1080

Thermal degradation of bending properties of structural wood and wood-based composites

Creator:: Sinha, Arijit, Gupta, Rakesh, and Nairn, John A.
Abstract:: Wood and wood-based composites are being used extensively in single-family residential dwellings. Therefore, it is important to categorize their response when exposed to elevated temperatures for a sustained period of time. In fire-resistant design for wood structures, the main goal is to ensure that enough structural integrity is maintained, during...
Resource Type:: Article
Full Text:: - ferent temperatures and times of exposure and the thermal degradation of strength. A total of 1080

The effect of elevated temperature exposure on the fracture toughness of solid wood and structural wood composites

Creator:: Sinha, Arijit, Nairn, John A., and Gupta, Rakesh
Abstract:: Fracture toughness of wood and wood composites has traditionally been characterized by a stress intensity factor, an initiation strain energy release rate (G[subscript init]) or a total energy to fracture (G[subscript f]). These parameters provide incomplete fracture characterization for these materials because the toughness changes as the crack propagates. Thus...
Resource Type:: Article
Full Text:: part of greater study on thermal degradation of structural lumber in a protected timber frame

The effect of elevated temperature exposure on the fracture toughness of solid wood and structural wood composites

Creator:: Sinha, Arijit, Nairn, John A., and Gupta, Rakesh
Abstract:: Fracture toughness of wood and wood composites has traditionally been characterized by a stress intensity factor, an initiation strain energy release rate (G init) or a total energy to fracture (G f). These parameters provide incomplete fracture characterization for these materials because the toughness changes as the crack propagates. Thus,...
Resource Type:: Article
Full Text:: part of greater study on thermal degradation of structural lumber in a protected timber-frame structure

Successive earthquake-tsunami analysis to develop collapse fragilities

Creator:: Park, Sangki, van de Lindt, John W., Cox, Daniel, Gupta, Rakesh, and Aguiniga, Francisco
Abstract:: Over the last half-century, scientists and engineers have developed methods to better understand and mitigate the damage caused by tsunamis. According to U.S. Federal Emergency Management Agency (FEMA) P646, buildings in many regions including the U.S. Pacific Northwest, will experience substantial ground shaking from an offshore earthquake that precedes a...
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Full Text:: strength degradation of structural components, i.e. shearwalls. But the width of the building in the Y

State of the Art: Seismic Behavior of Wood-Frame Residential Structures

Creator:: Kirkham, William J., Gupta, Rakesh, and Miller, Thomas H.
Abstract:: There are about 80 million single-family dwellings (SFDs) 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 the houses in...
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Full Text:: , strength and stiffness degradation, pinching and historical loading Kasal et al. (1994) Nonlinear Model of

State of the Art: Seismic Behavior of Wood-Frame Residential Structures

Creator:: Kirkham, William J., Gupta, Rakesh, and Miller, Thomas H.
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 the houses...
Resource Type:: Article
Full Text:: or elastic adhesives to support brittle materials may allow more effective use of their strength

Seismic performance testing of partially and fully anchored wood-frame shear walls

Creator:: White, Kevin B. D., Miller, Thomas H., and Gupta, Rakesh
Abstract:: Earthquake performance of wood-frame shear walls was evaluated by comparing fully and partially anchored walls under monotonic, cyclic, and earthquake loads and comparing with code measures. Suitability of monotonic and cyclic testing to predict seismic performance was examined. Earthquake tests were conducted on 2440-mm-square walls with Douglas-fir studs. Two oriented...
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Full Text:: degradation from Table 1. Description of selected earthquakes. Characteristic SE03 SE07 SE13 SE19

Seismic Laboratory Testing of Energy-Efficient, Staggered-Stud, Wood-Frame Shear Walls

Creator:: Rodriguez-Nikl, Tonatiuh, Gupta, Rakesh, Kramer, Anthonie, and Sinha, Arijit
Abstract:: Residential energy use is a significant contributor to greenhouse gas emissions and climate change. Reducing energy efficiency in conventional wood-framed houses are thermal bridges: direct paths that allow heat to flow through the studs instead of the insulation. One suggestion for reducing thermal bridging is the staggered stud (SS) wall....
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Full Text:: are thermal bridges: direct paths that allow heat to flow through the studs instead of the insulation

Performance of partially and fully anchored wood-frame shear walls under earthquake loads

Creator:: Seaders, Peter, Miller, Thomas H., and Gupta, Rakesh
Abstract:: The objectives of this study were to evaluate the performance of wood-frame shear walls under monotonic, cyclic, and earthquake loads by: 1) comparing performance under each loading protocol; 2) evaluating effects of anchorage; and 3) eval-uating performance qualitatively and quantitatively with respect to code-deﬁned performance measures. Tests were conducted on...
Resource Type:: Article
Full Text:: rates. They found the maximum strength of the wall tested dynamically was approximately 125 percent of

Modeling System Effects and Structural Load Paths in a Wood-Framed Structure

Creator:: Martin, Kenneth G., Gupta, Rakesh, Prevatt, David O., Datin, Peter L., and van de Lindt, John W.
Abstract:: The objective of this project was to evaluate system effects and further define load paths within a light-frame wood structure under extreme wind events. The three-dimensional 30- by 40-ft (9.1- by 12.2-m) building, designed to be representative of typical light-frame wood construction in the southeastern coastal region of the United...
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Full Text:: exhibited strength degradation as the connection approached failure. This modeling procedure required

Effect of Plan Configuration on Seismic Performance of Single-Story, Wood-Frame Dwellings

Creator:: Lucksiri, Kraisorn, Miller, Thomas H., Gupta, Rakesh, Pei, Shiling, and van de Lindt, John W.
Abstract:: A numerical investigation is presented on effects of plan configuration on seismic responses of single-story, wood-frame dwellings. 151 models were developed using observations of 412 dwellings of rectangular, L, T, U, and Z-shapes in Oregon. A nonlinear, time-history program, Seismic Analysis Package for Wood-frame Structures, was the analysis platform. Models...
Resource Type:: Article
Full Text:: of mass of buildings. This is based on the assumption that unit shear strength is the same for all

Effect of Plan Configuration on Seismic Performance of Single-Story Wood-Frame Dwellings

Creator:: Lucksiri, Kraisorn, Miller, Thomas H., Gupta, Rakesh, Pei, Shiling, and van de Lindt, John W.
Abstract:: A numerical investigation is presented on effects of plan configuration on seismic responses of single-story, wood-frame dwellings. 151 models were developed using observations of 412 dwellings of rectangular, L, T, U, and Z-shapes in Oregon. A nonlinear, time-history program, Seismic Analysis Package for Wood-frame Structures, was the analysis platform. Models...
Resource Type:: Article
Full Text:: degradation rules for hysteretic parameters allow it to track stiffness and strength degradation. Given

Concept of Community Fragilities for Tsunami Coastal Inundation Studies

Creator:: Park, Sangki, van de Lindt, John W., Cox, Daniel, and Gupta, Rakesh
Abstract:: Tsunamis have devastated coastal regions worldwide, with the most recent being the result of the Great Tohoku Japan earthquake and tsunami, which was a M9.0 undersea megathrust earthquake that occurred off the east coast of Japan on March 11, 2011. In this study, a fragility formulation is utilized to develop...
Resource Type:: Article
Full Text:: capability to degrade in both stiffness and strength is needed. The Consortium of Universities for Research

ScholarsArchive@OSU

Thermal Degradation of Lateral Yield Strength of Nailed Wood Connections

Thermal degradation of bending strength of plywood and oriented strand board: a kinetics approach

Thermal degradation of bending properties of structural wood and wood-based composites

Thermal degradation of bending properties of structural wood and wood-based composites

The effect of elevated temperature exposure on the fracture toughness of solid wood and structural wood composites

The effect of elevated temperature exposure on the fracture toughness of solid wood and structural wood composites

Successive earthquake-tsunami analysis to develop collapse fragilities

State of the Art: Seismic Behavior of Wood-Frame Residential Structures

State of the Art: Seismic Behavior of Wood-Frame Residential Structures

Seismic performance testing of partially and fully anchored wood-frame shear walls

Seismic Laboratory Testing of Energy-Efficient, Staggered-Stud, Wood-Frame Shear Walls

Performance of partially and fully anchored wood-frame shear walls under earthquake loads

Modeling System Effects and Structural Load Paths in a Wood-Framed Structure

Effect of Plan Configuration on Seismic Performance of Single-Story, Wood-Frame Dwellings

Effect of Plan Configuration on Seismic Performance of Single-Story Wood-Frame Dwellings

Concept of Community Fragilities for Tsunami Coastal Inundation Studies

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