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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.
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
Research subject
Timber Structures; Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-39841Local ID: ebd2ac65-c6b6-4f91-bb9f-c5cd5396fbf4ISBN: 9781905088577OAI: 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: 2016-10-03Bibliographically approved

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