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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:: axis in wood beams Philip M. Davis, Rakesh Gupta and Arijit Sinha

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:: axis in wood beams Philip M. Davis, Rakesh Gupta and Arijit Sinha

Creator:: Gupta, Rashmi and Schuster, Martin
Abstract:: Background: Acyl-homoserine lactone (acyl-HSL) and alkyl quinolone (AQ) based quorum-sensing (QS) systems are important for Pseudomonas aeruginosa virulence and biofilm formation. The effect of QS on biofilm formation is influenced by various genetic and environmental factors. Here, we used a colony biofilm assay to study the effect of the central...
Resource Type:: Article
Full Text:: Mol Biol Rev 2009, 73(2):310-347. 8. Gilbert KB, Kim TH, Gupta R, Greenberg EP, Schuster M: Global

Creator:: Goodall, Scott I. and Gupta, Rakesh
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). A total of 14 shear walls consisting of seven different designs with two walls built per design were tested to failure. Six...
Resource Type:: Article
Full Text:: . Goodall1 and Rakesh Gupta, M.ASCE2 Abstract: The overall goal of this project was to design a wood frame

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

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

Creator:: Polocoser, Tiberiu, Miller, Thomas H., and Gupta, Rakesh
Abstract:: Remediation methods and strength predictions were evaluated for wood I-joists with single, circular holes in the webs, leaving utilities in place. A full-scale bending test using four equally-spaced point loads was applied to three depths of joists with varying flange widths and span lengths of 4.88 m and 2.44 m....
Resource Type:: Article
Full Text:: of Wood I-Joists Polocoser, T., Miller, T. H., & Gupta, R. (2013). Evaluation of Remediation

Creator:: Polocoser, Tiberiu, Miller, Thomas H., and Gupta, Rakesh
Abstract:: Remediation methods and strength predictions were evaluated for wood I-joists with single, circular holes in the webs, leaving utilities in place. A full-scale bending test using four equally spaced point loads was applied to three depths of joists with varying flange widths and span lengths of 4.88 and 2.44 m....
Resource Type:: Article
Full Text:: Wood I-Joists Tiberiu Polocoser, A.M.ASCE1; Thomas H. Miller, M.ASCE2; and Rakesh Gupta, M.ASCE3

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

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

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