Análise de cais de paramento fechado - interação solo-estrutura

• Autor(a) principal: Moreira, Carlos Helder Vieira
• Data de Publicação: 2018
• Tipo de documento: Dissertação
• Idioma: por
• Título da fonte: Biblioteca Digital de Teses e Dissertações da UERJ
• Texto Completo: http://www.bdtd.uerj.br/handle/1/11655
• topic: Civil engineering; Geotechnical engineering; Soil mechanics; Pier Structural analysis (engineering); Soil-Structure interaction; Nonlinear analysis; Quay; SAP2000; PLAXIS; PileLAt; Engenharia civil; Engenharia geotécnica; Mecânica do solo; Cais; Análise estrutural (Engenharia); Interação solo estrutura; Analise Não-Linear; Cais; SAP2000; PLAXIS; PileLat; Curvas P-Y; CNPQ::ENGENHARIAS::ENGENHARIA CIVIL

Soil-structure interaction is a subject of high interest and always present in geotechnical and structural engineering problems. This work comprises the analysis of a closed pier structure composed by a retaining wall connected to a piled relieving platform. This paper presents a summary of different quays typologies and all relevant aspects necessary for a structural analysis, including soil-structure interaction. Based on assumed technical parameters (geotechnical and structural), the analysis of the structural global behavior is presented, taking into account the soil-structure interaction. Therefore, three different softwares were used, the results of each one are compared and complemented: PLAXIS (specific software for problems of Geotechnics), PileLat (specific software for analysis of laterally loaded piles) and SAP 2000 (specific software for structures in general). In order to validate the results obtained by the various softwares and compared with analytical calculations, a validation methodology was adopted for a simple model of a pile subject to a horizontal load located at the upper end of 10 kN. The final chapter presents an hypothetical case study, where the influence of soil deformability, displacement of the retaining wall, slab and piles are evaluated by means of PLAXIS and SAP2000 software. In order to characterize the soil nonlinearity on SAP2000 software, "Multilinear Elastic Link" feature was used considering that soil can be characterized as a load-displacement function (P-Y) curve from the output of the PileLat software that provides load-displacement functions at any depth. The analysis allowed to conclude that the best way to analyze soil-structure interaction is to consider soil as a continuous medium. It was also possible to observe that there is a very important 3D component in the case of laterally loaded piles. The soil representation by multilinear elastic link elements characterized by P-Y curves is a satisfactory alternative to soil formulation as a continuous medium.