About: Shape optimization of concrete buried arches

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Shape optimization in connection with numerical modelling is used to reduce bending and associated flexural stresses in buried concrete arches. Modelling of the arch is carried out via a nonlinear finite element model that accounts for soil constitutive relations, soil-structure interactions, sequential construction stages and soil compaction. Centre line of the arch is parameterized by Bézier curve with three degrees of freedom that are subjected to optimization by genetic and Levenberg-Marquardt algorithm. The paper presents a parametric study which aims to determine the optimal shapes for buried arches of vaious span/rise ratios, backfill depths and foundation soil types. In the second part of the paper it shows a theoretical reduction in tensile stresses obtained by shape optimization of concrete arch culvert witch a 9.4 m span tested at the University of Massachusetts at Amherst. Shape optimization in connection with numerical modelling is used to reduce bending and associated flexural stresses in buried concrete arches. Modelling of the arch is carried out via a nonlinear finite element model that accounts for soil constitutive relations, soil-structure interactions, sequential construction stages and soil compaction. Centre line of the arch is parameterized by Bézier curve with three degrees of freedom that are subjected to optimization by genetic and Levenberg-Marquardt algorithm. The paper presents a parametric study which aims to determine the optimal shapes for buried arches of vaious span/rise ratios, backfill depths and foundation soil types. In the second part of the paper it shows a theoretical reduction in tensile stresses obtained by shape optimization of concrete arch culvert witch a 9.4 m span tested at the University of Massachusetts at Amherst. (en)
Title	Shape optimization of concrete buried arches Shape optimization of concrete buried arches (en)
skos:prefLabel	Shape optimization of concrete buried arches Shape optimization of concrete buried arches (en)
skos:notation	RIV/00216305:26110/13:PU105617!RIV15-GA0-26110___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP105/10/1156), Z(MSM0021630519)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Eliáš, Jan Miča, Lumír Houšť, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	104919
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/13:PU105617
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Soil-structure interactions, concrete arch, cut-and-cover structure, shape optimization, genetic algorithm, bézier curve (en)
http://linked.open.../riv/klicoveSlovo	Soil-structure interactions bézier curve cut-and-cover structure genetic algorithm shape optimization concrete arch
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5EDD9E0519AD]
http://linked.open...i/riv/nazevZdroje	ENGINEERING STRUCTURES
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Complex modelling of concrete structures: Nonlinearity, reliability, life-time and risk aspects (COMOCOS)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Eliáš, Jan Miča, Lumír Houšť, Vladimír
http://linked.open...n/vavai/riv/zamer	Progressive reliable and durable civil engineering structures
issn	0141-0296
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.engstruct.2012.11.037
http://localhost/t...ganizacniJednotka	26110

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