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Optimizing Single-Span Steel Truss Bridges with Simulated Annealing
Date
2010-11-01
Author
Hasançebi, Oğuzhan
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This study presents applications of a simulated annealing integrated solution algorithm to the optimum design of single-span steel truss bridges subjected to gravity loadings. In the optimum design process of a bridge the members are sized simultaneously as the coordinates of the upper chord nodes are determined such that the least design weight is attained for the structure. The design constraints and limitations are imposed in accordance with serviceability and strength provisions of ASD-AISC (Allowable Stress Design Code of American Institute of Steel Institution) specification. A numerical example is presented, where ptimum designs produced according to nine alternative topological forms of single-span truss bridges, namely Pratt, Parker, Baltimore, Pettit, K-Truss, Warren, Subdivided Warren, Quadrangular Warren and Whipple are compared for a selected span length of 600 ft (182.88 m) to quantify the influence of choice of a topological form on the final design weight of the bridge.
Subject Keywords
Structural optimization
,
Simulated annealing
,
Single
,
Span steel truss bridges
,
Bridge topological forms
,
Minimum weight design
URI
https://www.sid.ir/en/journal/JournalListPaper.aspx?ID=80826
https://hdl.handle.net/11511/71958
Journal
ASIAN JOURNAL OF CIVIL ENGINEERING
Collections
Department of Civil Engineering, Article
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O. Hasançebi, “Optimizing Single-Span Steel Truss Bridges with Simulated Annealing,”
ASIAN JOURNAL OF CIVIL ENGINEERING
, pp. 763–775, 2010, Accessed: 00, 2021. [Online]. Available: https://www.sid.ir/en/journal/JournalListPaper.aspx?ID=80826.