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A study on shear deformations of deep composite box-Type beams used in timber building structures
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-0336-6433
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
2013 (English)In: Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing, 3-6 September 2013, Cagliari, Sardinia, Italy / [ed] Barry H.V. Topping; Peter Ivaniy, Stirlingshire: Civil-Comp Press , 2013Conference paper, (Refereed)
Abstract [en]

The higher-order shear deformation beam theory of Reddy-Bickford predicts accurately the shear deflection without the need of a shear correction factor. However, for more complicated cross-sections, e.g. including holes, it is shown that this theory is not adequate. To be able to predict accurately the shear deflections of deep composite box-type cross-sectional beams, a simple engineering approach is used to derive a closed-form expression for the shear correction factor for those types of beams. The high accuracy and reliability of the developed procedure is demonstrated by comparing those results with accurate three-dimensional finite element results and with Timoshenko and Reddy-Bickford theories. A comprehensive parametric study is presented to investigate the effects of various mechanical properties and geometric dimensions of the box-type of beams for the various models. There is very good agreement between the proposed engineering method and the three-dimensional finite element model

Place, publisher, year, edition, pages
Stirlingshire: Civil-Comp Press , 2013.
Series
Civil-Comp Proceedings, ISSN 1759-3433 ; 102
National Category
Building Technologies
Research subject
Timber Structures; Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-39841Local ID: ebd2ac65-c6b6-4f91-bb9f-c5cd5396fbf4ISBN: 9781905088577 (print)OAI: oai:DiVA.org:ltu-39841DiVA: diva2:1013360
Conference
International Conference on Civil, Structural and Environmental : 03/09/2013 - 06/09/2013
Note
Godkänd; 2013; 20140224 (andbra)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-05-23Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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