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Advisor(s)
Abstract(s)
Este relatório é elaborado no âmbito do estágio curricular no regime de parceria entre o Instituto
Superior de Engenharia do Porto e o gabinete de projetos SE2P – Sociedade de Engenharia, Projetos
e Planeamento, Lda. O tema do estágio é o estudo de colunas mistas aço-betão na vertente de
projeto, mais concretamente através da criação dum processo de cálculo automático integrado
com o modelo estrutural global. Aplicam-se os métodos de dimensionamento dos eurocódigos
estruturais na avaliação da segurança dos estados limites. Avaliam-se as propriedades geométricas,
determina-se a curva de interação, calcula-se a posição do eixo neutro donde se inferem os estados
de tensão em flexão desviada ao nível da secção, necessários às verificações de segurança.
O processo de cálculo tem por base uma folha de cálculo desenvolvida em Excel que, com ajuda do
Visual Basic for Applications, comunica com o software de modelação e cálculo estrutural Autodesk
Robot Professional Analisys. Cria-se fluxos de informação que possibilitam o cálculo iterativo de
colunas mistas permitindo ajustar e por esta via otimizar as soluções de dimensionamento. A
exportação de relatórios de cálculo detalhados para cada coluna constitui uma mais-valia para
gabinetes de engenharia quando comparada com outras soluções de dimensionamento existentes
no mercado.
A aplicação do processo de cálculo desenvolvido a múltiplas combinações de soluções de colunas
mistas permitiu analisar comparativamente os resultados obtidos e a criação de tabelas e ábacos
que poderão ser úteis em cenários de pré-dimensionamento e de anteprojeto.
This thesis is elaborated in the curriculum stage in partnership with the Institute of Engineering of Porto and project office SE2P – Engineering Society, Projects and Planning, Lda. The main theme is the study of steel-concrete composite columns in concern to the project by creating an automatic calculation process integrated with the global structural model. The dimensioning methods of structural euro codes are applied in the assessment of the state limits. The geometrical properties are evaluated, the interaction curve is determined, the position of neutral axis from which to infer the stress state in diverted flection to the section level needed to check security is calculated. The calculation process is developed based on an Excel sheet that with help of Visual Basic for Applications communicates with the modeling software and structural calculator Autodesk Robot Professional Analysis. Flows of information are created enabling the fast iterative calculation allowing to put into practice the dimensioning adjustments to the conditions of use of each column. Compared to the existing solutions in the market, the detailed calculation reports exportation for each column is of great value to the engineering firms. The calculation process also allowed multiple combinations of solutions and benchmark results, creating tables that may be useful in scenarios of preliminary design and preliminary draft.
This thesis is elaborated in the curriculum stage in partnership with the Institute of Engineering of Porto and project office SE2P – Engineering Society, Projects and Planning, Lda. The main theme is the study of steel-concrete composite columns in concern to the project by creating an automatic calculation process integrated with the global structural model. The dimensioning methods of structural euro codes are applied in the assessment of the state limits. The geometrical properties are evaluated, the interaction curve is determined, the position of neutral axis from which to infer the stress state in diverted flection to the section level needed to check security is calculated. The calculation process is developed based on an Excel sheet that with help of Visual Basic for Applications communicates with the modeling software and structural calculator Autodesk Robot Professional Analysis. Flows of information are created enabling the fast iterative calculation allowing to put into practice the dimensioning adjustments to the conditions of use of each column. Compared to the existing solutions in the market, the detailed calculation reports exportation for each column is of great value to the engineering firms. The calculation process also allowed multiple combinations of solutions and benchmark results, creating tables that may be useful in scenarios of preliminary design and preliminary draft.
Description
Keywords
Processo de cálculo Colunas mistas EN 1994-1-1 Excel RSA VBA Calculation process Composite columns