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E.J. O'Brien and D.L. Keogh

Department of Civil, Structural and Environmental Engineering, Trinity College, Dublin, Ireland

doi:10.4203/ccp.39.9.9

E.J. O'Brien, D.L. Keogh, "Neutral Axis Variation in Bridge Decks", in B.H.V. Topping, (Editor), "Advances in Finite Element Technology", Civil-Comp Press, Edinburgh, UK, pp 421-427, 1996. doi:10.4203/ccp.39.9.9

Abstract

This paper discusses the location of the neutral axis in bridge decks. The three-dimensional finite element analysis program NIKE3D was used to determine the location of the neutral axis in a number of typical bridge decks with edge cantilevers. It is shown that the neutral axis location may be largely dependant on the nature of the applied loading. An example of a two-span bridge deck is used to demonstrate the degree to which the neutral axis may bray from its commonly assumed position. Comparisons with a planar grillage analysis are used to show the effect of this variation on the design stresses in such a bridge deck.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 39 ADVANCES IN FINITE ELEMENT TECHNOLOGY Edited by: B.H.V. Topping Paper IX.9 Neutral Axis Variation in Bridge Decks E.J. O'Brien and D.L. Keogh Department of Civil, Structural and Environmental Engineering, Trinity College, Dublin, Ireland doi:10.4203/ccp.39.9.9 purchase the full-text of this paper Full Bibliographic Reference for this paper E.J. O'Brien, D.L. Keogh, "Neutral Axis Variation in Bridge Decks", in B.H.V. Topping, (Editor), "Advances in Finite Element Technology", Civil-Comp Press, Edinburgh, UK, pp 421-427, 1996. doi:10.4203/ccp.39.9.9 Abstract This paper discusses the location of the neutral axis in bridge decks. The three-dimensional finite element analysis program NIKE3D was used to determine the location of the neutral axis in a number of typical bridge decks with edge cantilevers. It is shown that the neutral axis location may be largely dependant on the nature of the applied loading. An example of a two-span bridge deck is used to demonstrate the degree to which the neutral axis may bray from its commonly assumed position. Comparisons with a planar grillage analysis are used to show the effect of this variation on the design stresses in such a bridge deck. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £85 +P&P)
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