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  • 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:
    ..................................................... 69 Table B1. Moisture Contents of GWB Panels Applied to Shear Walls ....................... 83

  • Evaluation of the torsion test as a method to determine the shear strength of structural composite lumber

    Creator:
    Siller, Tobias Stefan
    Abstract:
    Torsion test was evaluated as a method to determine the shear strength parallel to grain of full-size structural composite lumber (SCL). Experimental results of eighty-five rectangular (44 x 140 mm²) specimens were verified by finite element analysis. Laminated strand lumber (LSL), laminated veneer lumber (LVL) and parallel strand lumber (PSL)...
    Resource Type:
    Masters Thesis
    Full Text:
    58 4.2.2 Failure Modes 63 4.2.3 Shear Strength 69 4.2.4 Finite Element Model 72 4.2.5 Comparison

  • Evaluation of the torsion test for determining the shear strength of structural lumber

    Creator:
    Heck, Leanne Renee
    Abstract:
    The torsion test was evaluated as a method for determining the shear strength of full-size structural lumber. The evaluation involved an experimental length study, an experimental depth study, and a finite element study. The length study consisted of fifty nominal 2x4 specimens, ten specimens for each length, and ten American...
    Resource Type:
    Masters Thesis
    Full Text:
    specimen used in testing the shear strength of structural lumber 69 4.5 Schematic of the torsion machine

  • Use of Virtual Visual Sensors in the Determination of Natural Frequencies of Timber Structures for Structural Health Monitoring

    Creator:
    Walker, Kristopher
    Abstract:
    Many nondestructive techniques for structural health monitoring are subjective and based on visual observations of degradation. In addition, dynamic properties of structures are already used to obtain quantitative structural health data. However, most current data collection is limited to localized damage on the structure, rather than global response. Recent research...
    Resource Type:
    Masters Thesis
    Full Text:
    .......................................................... 69 Table J1 - Shake Table Accelerometer Results (Canon

  • 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:
    PHOTOS 80 DETAILED DATA TABLES & LOAD-DEFLECTION GRAPHS 94 LUMBER TEST DATA (MOE, MC, SG) 160

  • 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:
    ...................................................................................................................... 69  CONCLUSIONS

  • 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:
    Drift Performance 64 CONCLUSIONS 66 REFERENCES 67 CHAPTER 4. GENERAL CONCLUSIONS 69 CHAPTER 5

  • Behavior of a 1/6th scale, two-story, wood framed residential structure under surge wave loading

    Creator:
    Wilson, Jebediah
    Abstract:
    The goal of this study was to develop an understanding of the nature of surge wave loading on wood framed residential structures for a variety of building configurations and test conditions. The objectives of the study were: (1) to measure forces on a 1/6th scale wood framed residential structure, (2)...
    Resource Type:
    Masters Thesis
    Full Text:
    to NEESR SG Award) NEES, Grant No. CMMI-0402490 (NEES Operations) TABLE OF CONTENTS Page

  • 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:
    ......................................................................................69 Table A2. Calculation methods for effect of screw diameter in spline connections (Table 5

  • The effect of elevated temperature on mechanical behavior of structural wood and wood-based composites

    Creator:
    Sinha, Arijit
    Abstract:
    Engineers, in practice, are often faced with the challenge of evaluating a fire-damaged structure and developing a rehabilitation and retrofit plan. In order to decide on a rehabilitation and retrofit plan, information on thermal degradation of building materials and connections are vital. A critical knowledge gap exists in terms of...
    Resource Type:
    Dissertation
    Full Text:
    . Experimental design matrix with description of various materials .............................. 69 4.2. Yield