An algorithm for random generation of admissible horizontal alignments for optimum layout design
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Abstract
This work deals with the design of horizontal alignments (HAs) for its application in intelligent civil systems. Two consecutive tasks are performed: the random generation of admissible horizontal alignments (AHAs; alignments verifying some geometric constraints set in advance) and the optimal design of layouts joining two given points. A rigorous mathematical analysis of the first task leads to a novel algorithm for random generation of alignments, which is used to develop the global optimization method proposed for the second task. The usefulness of this approach is shown on some practical applications. First, two problems with applications in robotics, pipe layout design, and forest road design are solved in realistic situations. Next, the random generation of AHAs in mountainous terrain is addressed. Finally, the model is extended to 3D alignments and a real case study is presented, designing a bypass on the N-640 Spanish national road, surrounding the urban area of Monterroso
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This is the peer reviewed version of the following article: Vázquez-Méndez ME,Casal G, Castro A, Santamarina D. An algorithmfor random generation of admissible horizontalalignments for optimum layout design.ComputAided Civ Inf.2021;36:1056–1072, which has been published in final form at https://doi.org/10.1111/mice.12682.
Bibliographic citation
Vázquez‐Méndez, M. E., Casal, G., Castro, A., & Santamarina, D. (2021). An algorithm for random generation of admissible horizontal alignments for optimum layout design. Computer‐Aided Civil and Infrastructure Engineering, 36(8), 1056-1072
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https://doi.org/10.1111/mice.12682Sponsors
Third author thanks the support given by the Consellería
de Cultura, Educación e Universidade (Xunta de Galicia) by
Project ED431B 2020/25. The authors are also very grateful
to the Editor and the seven anonymous reviewers for their very
valuable suggestions.
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