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Filtering by: Creator Simpson, Ellen J. Remove constraint Creator: Simpson, Ellen J. Advisor Gupta, Rakesh Remove constraint Advisor: Gupta, Rakesh

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  • 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:
    Dana J. Lebeda for the degree of Master of Science in Civil

  • Monotonic and Cyclic Testing of Cross-Laminated Timber Diaphragms

    Creator:
    Beairsto, Cody J.
    Abstract:
    Mass timber is emerging as a viable form of construction around the world in new markets for wood buildings. The entrance into these markets has driven the demand for more knowledge to enable designs alongside other structural materials such as steel and reinforced concrete. Large, in-plane tests on cross-laminated timber...
    Resource Type:
    Masters Thesis
    Full Text:
    restraining the diaphragm against rotation were specified as Simpson Strong-Tie HDQ8 hold downs with

  • 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:
    DISSERTATION OF William J. Kirkham for the degree of Doctor of Philosophy in Wood Science and Civil

  • Performance of partially and fully anchored wood frame shear walls under monotonic, cyclic and earthquake loads

    Creator:
    Seaders, Peter
    Abstract:
    The objectives of this study were to evaluate the performance of wood frame shear walls under monotonic, cyclic and earthquake loads by: (1) estimating the variability of shear wall performance, (2) comparing the performance of walls under each loading protocol, (3) evaluating the effects of anchorage on wall performance, and...
    Resource Type:
    Masters Thesis
    Full Text:
    identical to partially anchored walls except that SIMPSON Strong-Tie® PHD-2A hold-downs were installed at

  • Performance of wood frame wall with thin shell ECC shear panel

    Creator:
    Lewis, Michael C.
    Abstract:
    The overall goal of this study was to evaluate an alternative to traditional wood framed shear wall construction. This study introduced the innovative idea of using a water and seismic damage resistant, wood-concrete- composite (WCC) construction instead of an all-wood design. The WCC design consisted of a thin shell of...
    Resource Type:
    Masters Thesis
    Full Text:
    J (42600 lb-in). Overall, the test results indicate that the WCC is comparable with or superior to

  • Load Path Investigation in a Light-Frame Wood House with Complex Geometry

    Creator:
    Holman, Justin D.
    Abstract:
    The objective of this study was to investigate load paths in an existing light-frame wood structure with complex geometry, using previously established computer modeling methods. The structural model is derived from an existing, multi-level residence located in Corvallis, Oregon. For the purpose of this study, the existing structure was simplified...
    Resource Type:
    Masters Thesis
    Full Text:
    single vertical spring. As with Martin et al. (2011), the common Simpson Strong-Tie HUD2 hold down was

  • 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:
    ......................................................................................................................................... 144 APPENDIX J: UNIFORM UPLIFT INVESTIGATION

  • Effects of reference displacement and damage accumulation in wood shear walls subjected to the CUREE protocol

    Creator:
    Langlois, Jeffrey D.
    Abstract:
    The objectives of this study are: (1) to evaluate the effect of reference displacement on wall behavior under fully reversed cyclic loading using the CUREE test protocol and (2) to assess damage accumulation (visible fastener damage and stiffness degradation) for the imposed drift levels. All tests were conducted on identical...
    Resource Type:
    Masters Thesis
    Full Text:
    . Louisiana Pacific Co. for donating the lumber and OSB panels. Simpson Strong-Tie Co. for donating the hold

  • 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

  • Evaluation of system effects and structural load paths in a wood-framed structure

    Creator:
    Martin, Kenneth G.
    Abstract:
    The objective of this project was to develop an analytical model of a light-framed wood structure using a prevalent structural analysis computer program in order to evaluate system effects and define load paths within the structure, especially under extreme wind events. Simplified modeling techniques and material definitions were developed and...
    Resource Type:
    Masters Thesis
    Full Text:
    ASCE 7-05 Load Cases............................................................... 156 J Roof

  • Light-frame versus timber frame : a study in quantifying the differences

    Creator:
    Malone, Brian P.
    Abstract:
    The objective of this study was to compare light wood framing and traditional timber framing quantitatively through environmental impact assessment and load path analysis. This research was inspired by a traditional timber frame structure constructed in Vermont in 2011, and the design of structures considered within reflect the general characteristics...
    Resource Type:
    Masters Thesis
    Full Text:
    ................................................... 179  Appendix J: Sheathing G12 Stiffness Calibration

  • Tsunami loading on light-frame wood structures

    Creator:
    Linton, David B.
    Abstract:
    Since 2004 there have been multiple devastating tsunamis around the globe triggered by large magnitude earthquakes; with the most recent being the Tohoku, Japan tsunami in March 2011. These tsunamis have caused significant loss of life and damage to the coastal communities impacted by these powerful waves. The resulting devastation...
    Resource Type:
    Masters Thesis

  • 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:
    ................................................................................................................. 32 Figure 13. Series J- Load-Deflection Data

  • Optimizing the performance of gypsum wall board in wood frame shear walls

    Creator:
    Goodall, Scott I.
    Abstract:
    The overall goal of this project was to design a wood frame shear wall that could withstand greater displacement before damage occurred to the Gypsum Wall Board (GWB). More specifically, the objectives of the study were: (1) to evaluate damage to the GWB in alternative shear wall designs at 1%,...
    Resource Type:
    Masters Thesis
    Full Text:
    Appendix J: Shear Wall Value Comparison Figures ................................................. 168

  • The performance of wood frame shear walls under earthquake loads

    Creator:
    White, Kevin Bradish DelGrande
    Abstract:
    The overall goal of this study is to evaluate the earthquake performance of wood frame shear walls, and more specifically: (1) to compare the performance differences of fully and partially anchored walls under monotonic, cyclic, and earthquake loads, (2) to compare wall performance under earthquake loads with that of standardized...
    Resource Type:
    Masters Thesis
    Full Text:
    -12918) SIMPSON Strong-Tie® Company - For donating the hold-down equipment used in this project