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Precast concrete beam-to-column connections: emphasis on the deformability analysis

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Miotto, Anamaria Malachini
Total Authors: 1
Document type: Doctoral Thesis
Press: São Carlos. [2002]. 234 f., gráficos, ilustrações, tabelas.
Institution: Universidade de São Paulo (USP). Escola de Engenharia de São Carlos
Defense date:
Examining board members:
El Debs, Mounir Khalil; Della Bella, João Carlos; Hanai, João Bento de; Loriggio, Daniel Domingues; Migliore Junior, Angelo Rubens
Advisor: El Debs, Mounir Khalil
Field of knowledge: Engineering - Civil Engineering
Indexed in: Banco de Dados Bibliográficos da USP-DEDALUS; Biblioteca Digital de Teses e Dissertações - USP
Location: Universidade de São Paulo. Biblioteca da Escola de Engenharia de São Carlos; TESE 4261

The present research deals with the study of two types of precast beam-to-column connections with emphasis on the deformability analysis. The first one is extensively used in precast concrete portal frames with sloping beams. The second one is used in multi-storey framed structures. Experimental tests on two models of each type of beam-to-column connections were done. Based on the experimental results, analytical models, based on the Component Method, were proposed and numerical simulations, based on the Finite Element Method, were developed, which provide the moment-rotation curves of the studied connections. The theoretical moment-rotation curves, for both studied connections, are in good agreement with the experimental ones. According to the results, the first connection had almost the same behaviour of a rigid one. It transmitted about 90% of the bending moment of an equivalent monolithic structure. The second connection also transmitted a good portion of bending moment. It was observed that when its semi-rigidity is considered on the structural analysis there was a significant reduction on the column base bending moment and on the foundation dimensions. (AU)