Comparison between grillage model and finite element model for analyzing bridge deck

Since its publication in 1976 up to the present day, Edmund Hambly’s book “Bridge Deck Behaviors” has remained a valuable reference for bridge engineers. During this period the processing power and storage capacity of computers has increased by a factor of over 1000 and analysis software has improve...

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Main Author:	Alomar, Saif Laith Khalid
Format:	Thesis
Language:	English
Published:	2009
Subjects:	TG Bridge engineering
Online Access:	http://eprints.utm.my/id/eprint/11400/1/SaifLaithKhalidMFKA2009.pdf
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spelling	my-utm-ep.114002018-06-04T09:53:30Z Comparison between grillage model and finite element model for analyzing bridge deck 2009-06 Alomar, Saif Laith Khalid TG Bridge engineering Since its publication in 1976 up to the present day, Edmund Hambly’s book “Bridge Deck Behaviors” has remained a valuable reference for bridge engineers. During this period the processing power and storage capacity of computers has increased by a factor of over 1000 and analysis software has improved greatly in sophistication and ease of use. In spite of the increases in computing power, bridge deck analysis methods have not changed to the same extent, and grillage analysis remains the standard procedure for most bridges deck. In this study analysis bridge deck using grillage model are compared with the analysis of the same deck using finite element model. A bridge deck consists of beam and slab is chosen and modelled as grillage and finite element. Bending moment, Shear force, Torsion and Reaction force from both models are compared. Effect of skew deck is also studied. In general for practical skew bridge deck results from finite element model give lesser value in terms of displacement, reaction, shear force, torsion, bending moment compare with the results from grillage model. It can be concluded that analysis of bridge decks by using finite element method may produce more economical design than grillage analysis. This is due to the fact that the finite element model resembles the actual structure more closely than the grillage model. 2009-06 Thesis http://eprints.utm.my/id/eprint/11400/ http://eprints.utm.my/id/eprint/11400/1/SaifLaithKhalidMFKA2009.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering HAMBLY, E.C., 1976 “Bridge Deck Behaviour“, CHAPMAN & HALL. Edmund, C. Hambly, 1991 “Bridge Deck Behaviour“, Taylor & Francis. Eugene J. O'Brien, Damien L. Keogh, Barry M. Lehane Contributor Damien L. Keogh, 1999 “Bridge Deck Analysis“,Taylor & Francis. Doug Jenkins, 2004 “Bridge Deck Behaviour Revisited“; BSc MEngSci MIEAust MICE. E.J. O'Brien, D.L. Keogh, 1998 “A discussion on neutral axis location in bridge deck cantilevers“Department of Civil Engineering, University College, Dublin, Ireland. E.J. O'Brien, D.L. Keogh, 1998 “Up stand finite element analysis of slab bridges“Department of Civil Engineering, University College, Dublin, Ireland. Lusas Theory Manual, Version 14.1 Software, United Kingdom. Maher Kakish, 2007 “Bending moment distribution at the main structural elements of skew deck-slab and their implementation on cost effectiveness“, College of Engineering, Al- Balqa Applied University, Salt, Jordan. Trilok Gupta,Anurag Misra,2007 “Effect on support reactions of T-beam skew bridge decks“,India. Nicholas M. Baran, 1988 “Finite Element Analysis on Microcomputers“, McGraw-Hill Book Company. 72 Jaeger, L.G., Bakht B., 1982 “The Grillage Analogy in Bridge Analysis“, Canadian Journal of Civil Engineering, Vol.9, Part 2, pp.224-235, Canada. H. Zeng, J. Kuehn, J. Sun, H. Stalford, 2000 ”An Analysis of Skewed Bridge/Vehicle Interaction Using the Grillage Method”, University of Oklahoma. P.H. Rattigan, E.J. OBrien, A. Gonzalez,2005 ”The Dynamic Amplification on Highway Bridges due to Traffic Flow”, University College Dublin, Earlsfort Terrace, Dublin 2, Ireland.
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TG Bridge engineering
spellingShingle	TG Bridge engineering Alomar, Saif Laith Khalid Comparison between grillage model and finite element model for analyzing bridge deck
description	Since its publication in 1976 up to the present day, Edmund Hambly’s book “Bridge Deck Behaviors” has remained a valuable reference for bridge engineers. During this period the processing power and storage capacity of computers has increased by a factor of over 1000 and analysis software has improved greatly in sophistication and ease of use. In spite of the increases in computing power, bridge deck analysis methods have not changed to the same extent, and grillage analysis remains the standard procedure for most bridges deck. In this study analysis bridge deck using grillage model are compared with the analysis of the same deck using finite element model. A bridge deck consists of beam and slab is chosen and modelled as grillage and finite element. Bending moment, Shear force, Torsion and Reaction force from both models are compared. Effect of skew deck is also studied. In general for practical skew bridge deck results from finite element model give lesser value in terms of displacement, reaction, shear force, torsion, bending moment compare with the results from grillage model. It can be concluded that analysis of bridge decks by using finite element method may produce more economical design than grillage analysis. This is due to the fact that the finite element model resembles the actual structure more closely than the grillage model.
format	Thesis
qualification_level	Master's degree
author	Alomar, Saif Laith Khalid
author_facet	Alomar, Saif Laith Khalid
author_sort	Alomar, Saif Laith Khalid
title	Comparison between grillage model and finite element model for analyzing bridge deck
title_short	Comparison between grillage model and finite element model for analyzing bridge deck
title_full	Comparison between grillage model and finite element model for analyzing bridge deck
title_fullStr	Comparison between grillage model and finite element model for analyzing bridge deck
title_full_unstemmed	Comparison between grillage model and finite element model for analyzing bridge deck
title_sort	comparison between grillage model and finite element model for analyzing bridge deck
granting_institution	Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department	Faculty of Civil Engineering
publishDate	2009
url	http://eprints.utm.my/id/eprint/11400/1/SaifLaithKhalidMFKA2009.pdf
_version_	1747814849784578048

Comparison between grillage model and finite element model for analyzing bridge deck

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