Shear lag in box beams methods of analysis and experimental investigations

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Description

The bending stresses in the covers of box beams or wide-flange beams differ appreciably from the stresses predicted by the ordinary bending theory on account of shear deformation of the flanges. The problem of predicting these differences has become known as the shear-lag problem. The first part of this paper deals with methods of shear-lag analysis suitable for practical use. The second part of the paper describes strain-gage tests made by the NACA to verify the theory. Three tests published by other investigators are also analyzed by the proposed method. The third part of the paper gives numerical examples illustrating ... continued below

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38 p.

Creation Information

Kuhn, Paul & Chiarito, Patrick T. March 7, 1941.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and one other and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 245 times , with 7 in the last month . More information about this report can be viewed below.

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  • Main Title: Shear lag in box beams methods of analysis and experimental investigations
  • Series Title: NACA Technical Reports

Description

The bending stresses in the covers of box beams or wide-flange beams differ appreciably from the stresses predicted by the ordinary bending theory on account of shear deformation of the flanges. The problem of predicting these differences has become known as the shear-lag problem. The first part of this paper deals with methods of shear-lag analysis suitable for practical use. The second part of the paper describes strain-gage tests made by the NACA to verify the theory. Three tests published by other investigators are also analyzed by the proposed method. The third part of the paper gives numerical examples illustrating the methods of analysis. An appendix gives comparisons with other methods, particularly with the method of Ebner and Koller.

Physical Description

38 p.

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  • Accession or Local Control No: 93R21108
  • URL: http://hdl.handle.net/2060/19930091818 External Link
  • Report No.: NACA-TR-739
  • Center for AeroSpace Information Number: 19930091818
  • Archival Resource Key: ark:/67531/metadc59998

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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Creation Date

  • March 7, 1941

Added to The UNT Digital Library

  • Nov. 17, 2011, 5:13 p.m.

Description Last Updated

  • June 26, 2018, 3:54 p.m.

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Kuhn, Paul & Chiarito, Patrick T. Shear lag in box beams methods of analysis and experimental investigations, report, March 7, 1941; (digital.library.unt.edu/ark:/67531/metadc59998/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.