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Contribution to hierarchical modeling in tunnel design practice


Medium: journal article
Language(s): English
Published in: Revista IBRACON de Estruturas e Materiais, , n. 5, v. 12
Page(s): 1205-1219
DOI: 10.1590/s1983-41952019000500012

This work presents a comparative analysis between two model hierarchies commonly applied in tunnel structural design: continuum ground models and bedded-beam models. Firstly, the main characteristics of each model and the interfaces between them are discussed. Based on those evaluations a simple procedure is proposed for determining the bedded-beam model imposed loads which lead to results compatible to those of a given continuum model. Said procedure is then explored to estimate simplified compatibilization loads for basic and illustrative cases, where a reasonable compatibilization was achieved for a relatively simple applied load.


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