Análise dos deslocamentos e dos momentos fletores nas fundações e nos pilares de pontes retas ortogonais em concreto armado considerando a interação solo-estrutura
The research presents an analytical and numerical study considering the soil-structure interaction (ISE) of the displacements and bending moment in the foundations and in the column of a bridge in reinforced concrete. For do this, some classic analytical models of soil-structure interaction (ISE)...
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Formato: | Dissertação |
Idioma: | por |
Publicado em: |
Brasil
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Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/25705 |
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Resumo: | The research presents an analytical and numerical study considering the soil-structure
interaction (ISE) of the displacements and bending moment in the foundations and in
the column of a bridge in reinforced concrete. For do this, some classic analytical
models of soil-structure interaction (ISE) were studied focusing on the Matlock and
Reese solution and on the Elastic Differential Equation solution obtained using the
Fourier series. The idealized bridge was modeled in a coupled manner (3D structure)
using the Finite Element Method supported by the CSiBridge v17 software and the
results of horizontal displacements and bending moment were compared with those
obtained by numerical modeling performed through SAP2000 software. The obtained
values corroborated that the computational methods, when calibrated by reliable input
parameters, tend to distance themselves less from the physical reality of the
phenomenon than the analytical methods, since they allow simulating the problem in
a more realistic way. Finally, it is emphasized that the quality of the response that is
obtained using computational models must be taken with caution by the designers,
always considering the sensitivity of the models adopted. |
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