Design optimization of modular bridge structure

Faisal Riaz, Riaz Ahmad, Khurshid Alam, Atif Sohail Abid

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Modular bridge structures are commonly used in areas where space and weight are major limitations. In this study, a modular bridge structure made of extruded aluminum alloy AA7005 was analyzed using numerical simulations. Parametric model of the bridge structure was produced and optimized for required loading conditions. The aim of the research work was to minimize the weight of the bridge structure without compromising its strength. Sensitivity analysis was performed by taking thickness of the structure member as optimization variable. Optimum thickness of the bridge member obtained from simulations was assigned for the analysis of the entire structure. Results obtained from Finite Element (FE) simulations predicted maximum stress at the center of the structure. Parametric modeling of the structure allowed to asses failure against different loading conditions.

Original languageEnglish
Title of host publicationMechanical Science and Engineering III
Number of pages5
Publication statusPublished - 2013
Externally publishedYes
Event2013 3rd International Conference on Mechanical Science and Engineering, ICMSE 2013 - Hong Kong, China
Duration: Mar 1 2013Mar 3 2013

Publication series

NameApplied Mechanics and Materials
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482


Other2013 3rd International Conference on Mechanical Science and Engineering, ICMSE 2013
CityHong Kong


  • Computer aided design
  • Computer aided engineering
  • Design optimization
  • Finite element analysis
  • Sensitivity analysis
  • Structural analysis

ASJC Scopus subject areas

  • Engineering(all)


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