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Life cost analysis and optimization for steel and reinforced concrete structures

Bekas Georgios

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URIhttp://purl.tuc.gr/dl/dias/DA2CC5F3-8011-4CDC-88E6-7A85E600C6FB-
Identifierhttps://doi.org/10.26233/heallink.tuc.71491-
Languageen-
Extent196 pagesen
TitleΑνάλυση κόστους κύκλου ζωής και βελτιστοποίηση για κατασκευές από χάλυβα και οπλισμένο σκυρόδεμα el
TitleLife cost analysis and optimization for steel and reinforced concrete structures en
CreatorBekas Georgiosen
CreatorΜπεκας Γεωργιοςel
Contributor [Thesis Supervisor]Stavroulakis Georgiosen
Contributor [Thesis Supervisor]Σταυρουλακης Γεωργιοςel
Contributor [Thesis Supervisor]Bilalis Nikolaosen
Contributor [Thesis Supervisor]Μπιλαλης Νικολαοςel
Contributor [Thesis Supervisor]Marinakis Ioannisen
Contributor [Thesis Supervisor]Μαρινακης Ιωαννηςel
Contributor [Committee Member]Ouggrinis Konstantinos-Alketasen
Contributor [Committee Member]Ουγγρινης Κωνσταντινος-Αλκεταςel
Contributor [Committee Member]Antoniadis Aristomenisen
Contributor [Committee Member]Αντωνιαδης Αριστομενηςel
Contributor [Committee Member]Papaefthimiou Spirosen
Contributor [Committee Member]Παπαευθυμιου Σπυριδωνel
Contributor [Committee Member]Kaziolas, Dimitrios Nen
PublisherΠολυτεχνείο Κρήτηςel
PublisherTechnical University of Creteen
Academic UnitTechnical University of Crete::School of Production Engineering and Managementen
Academic UnitΠολυτεχνείο Κρήτης::Σχολή Μηχανικών Παραγωγής και Διοίκησηςel
Content SummaryThe present study seeks to investigate the factors that play a key role in the whole life cost of a new building construction, aiming to its minimization with the use of the optimization theory. An analysis on the notion of the whole life cost, as well as of the subsystems that primarily influence the whole life cost of a typical building, leads to the conclusion that the subsystems related to its massing, its structural components and its energy performance, are the ones whose optimization -at an early stage- has significant importance.The models that will be presented are based on the calculation and optimization of the most critical parameters related to the energy and the structural design of buildings with steel, timber or reinforced concrete frames. The examined variables of the optimization therefore concern all the characteristic structural, envelope, mechanical and energy subsystems throughout their life cycle (building envelope U-values in every possible orientation, area of windows in every possible orientation of the building, window glazing solar gain coefficient, power and performance of the heating and the cooling HVAC systems, cross sections of all the beam and column elements of the building, optimal number of frame bays, optimal lengths of frame bays, spacing among frames). Various life cycle periods with different durations and building plans, are examined. Other parameters that are analyzed, is the effect of the fuzziness of the design temperature inside a building on its life cycle cost, maintenance and potential replacement of the examined subsystems and methods to predict an optimal scenario for the management of the structural frame components at the end of a building's life cycle. The modeling is based on KENAK, the Eurocodes, evolutionary algorithms, statistical, stochastic and machine learning systems. A literature review regarding modern specifications and scientific approaches has also included in the study, about the following topics: life cycle analysis, whole life cost analysis, multivariate statistics and machine learning, stochastic processes and optimization, energy simulation of buildings, sizing of thermal and cooling systems, structural design of steel, RC or timber buildings. en
Type of ItemΔιδακτορική Διατριβήel
Type of ItemDoctoral Dissertationen
Licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/en
Date of Item2018-02-05-
Date of Publication2017-
SubjectCivil engineeringen
SubjectEvolutionary optimizationen
SubjectMechanical engineeringen
Bibliographic CitationGeorgios Bekas, "Life cost analysis and optimization for steel and reinforced concrete structures", Doctoral Dissertation, School of Production Engineering and Management, Technical University of Crete, Chania, Greece, 2017en
Bibliographic CitationΓεώργιος Μπέκας, "Ανάλυση κόστους κύκλου ζωής και βελτιστοποίηση για κατασκευές από χάλυβα και οπλισμένο σκυρόδεμα", Διδακτορική Διατριβή, Σχολή Μηχανικών Παραγωγής και Διοίκησης, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2017el

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