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  • Strain distribution in OSB and GWB in wood frame shear walls

    Creator:
    Sinha, Arijit
    Abstract:
    The overall goal of this study was to gain an insight into the load sharing aspect between oriented strand board (OSB) and gypsum wall board (GWB) in shear wall assembly during racking load. More specifically the objectives of the study were to: (1) evaluate qualitatively the load sharing between OSB...
    Resource Type:
    Masters Thesis
    Full Text:
    Rakesh Gupta The overall goal of this study was to gain an insight

  • 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:
    : ____________________________________________________________________ John A. Nairn Rakesh Gupta Engineers, in practice

  • Effect of grain angle on shear strength of Douglas-fir wood

    Creator:
    Gupta, Rakesh and Sinha, Arijit
    Abstract:
    The effect of grain angle (GA) on shear strength of Douglas-fir has been evaluated. Shear block specimens with a GA varying from 0 to 90° was loaded in the shear plane, resulting in failure mode transitioning from parallel to grain shear to rolling shear. As expected, shear strength decreased as...
    Resource Type:
    Article
    Full Text:
    grain angle on shear strength of Douglas-fi r wood Rakesh Gupta and Arijit Sinha

  • Effect of grain angle on shear strength of Douglas-fir wood

    Creator:
    Gupta, Rakesh and Sinha, Arijit
    Abstract:
    The effect of grain angle (GA) on shear strength of Douglas-fir has been evaluated. Shear block specimens with a GA varying from 0 to 90° was loaded in the shear plane, resulting in failure mode transitioning from parallel to grain shear to rolling shear. As expected, shear strength decreased as...
    Resource Type:
    Article
    Full Text:
    grain angle on shear strength of Douglas-fi r wood Rakesh Gupta and Arijit Sinha

  • 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:
    Gupta Professor rakesh.gupta@oregonstate.edu Department of Wood Science and Engineering Oregon

  • 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:
    . Nairn • Rakesh Gupta Received: 18 March 2011 / Published online: 3 March 2012 � Springer-Verlag 2012

  • Revisiting the neutral axis in wood beams

    Creator:
    Davis, Philip M., Gupta, Rakesh, and Sinha, Arijit
    Abstract:
    For wood beams, it is often assumed that the neutral axis (NA) is located at the centroid of the beam. This would be the case for isotropic and homogeneous materials but these prerequisites are not valid for wood. The varying grain patterns and knots located throughout wood make wood anisotropic...
    Resource Type:
    Article
    Full Text:
    , S.C., Miller, T.H., Gupta, R. (2010) Location of the neutral axis in wood beams – a preliminary

  • Revisiting the neutral axis in wood beams

    Creator:
    Davis, Philip M., Gupta, Rakesh, and Sinha, Arijit
    Abstract:
    For wood beams, it is often assumed that the neutral axis (NA) is located at the centroid of the beam. This would be the case for isotropic and homogeneous materials but these prerequisites are not valid for wood. The varying grain patterns and knots located throughout wood make wood anisotropic...
    Resource Type:
    Article
    Full Text:
    ., Gupta, R. (2010) Location of the neutral axis in wood beams – a preliminary study. Wood Mater. Sci

  • 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...
    Resource Type:
    Article
    Full Text:
    Sinha, M.ASCE1; Rakesh Gupta, M.ASCE2; and John A. Nairn3 Abstract: This study investigated the effect

  • 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:
    /Thompson Learning, Pacific Grove, California, USA. Sinha, A., Nairn, J.A., Gupta, R. (2010) Thermal