Design of optimum grillages using layout optimization

Karol Bołbotowski , H. Linwei , G. Matthew

Abstract

Grillages are often used to form bridge decks and other constructions. However, following a period of intensive research activity in the 1970s, comparatively little attention has been paid to optimizing the layout of grillages in recent years. In this contribution a new numerical procedure is proposed which takes advantage of the adaptive solution scheme previously developed for truss layout optimization problems, enabling very large scale problems to be solved. A key benefit of the proposed numerical procedure is that it is completely general, and can therefore be applied to problems with arbitrary loading and boundary conditions. Also, unlike some previously proposed procedures, the sizes of individual beams can readily be discerned. To demonstrate its efficacy the numerical procedure is applied to a range of grillage layout design problems, including load dependent problems which could not be solved using traditional methods. It is shown that important phenomena such as "beam-weaves" can be faithfully captured and new high-precision numerical benchmark solutions are provided.
Author Karol Bołbotowski (FCE / ICE)
Karol Bołbotowski,,
- The Institute of Civil Engineering
, H. Linwei
H. Linwei,,
-
, G. Matthew
G. Matthew,,
-
Journal seriesStructural and Multidisciplinary Optimization, ISSN 1615-147X, (A 35 pkt)
Issue year2018
Vol58
No3
Pages8521-868
Publication size in sheets0.3
Conference6th International Conference on Engineering Optimization - EngOpt (EngOpt 2018), 17-09-2018 - 19-09-2018, Lisboa, Portugalia
Keywords in Polishpłyty żelbetowe
Keywords in EnglishOptimum grillage; Layout optimization; Ground structure
DOIDOI:10.1007/s00158-018-1930-6
Languageen angielski
File
Bolbotowski2018_Article_DesignOfOptimumGrillagesUsingL.pdf 4.73 MB
Score (nominal)35
ScoreMinisterial score = 35.0, 19-10-2018, ArticleFromJournal
Ministerial score (2013-2016) = 35.0, 19-10-2018, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 2.377 (2) - 2016=2.894 (5)
Citation count*5 (2018-11-12)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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