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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Composites: Mechanics, Computations, Applications: An International Journal
ESCI SJR: 0.354 SNIP: 0.655 CiteScore™: 1.2

ISSN Печать: 2152-2057
ISSN Онлайн: 2152-2073

Composites: Mechanics, Computations, Applications: An International Journal

DOI: 10.1615/CompMechComputApplIntJ.v6.i2.10
pages 87-104

STRUCTURAL JOINTS MADE BY FRP AND STEEL: A NEW PROPOSAL OF ANALYSIS BASED ON THE PROGRESSIVE DAMAGE APPROACH

Carlo Casalegno
IUAV University of Venice, Dorsoduro 2206, 30123 Venice, Italy
Salvatore Russo
Laboratory of Strength sof Materials, Department of Design in Complex Environment, Iuav University of Venice, Dorsoduro 2206, Convento delle Terese, 30123 Venice, Italy

Краткое описание

The work aims to investigate the nonlinear behavior of pultruded joints and the related dissipation capacity through a three-dimensional FE progressive failure analysis of different GFRP beam-column and column-base bolted connections. Different failure criteria are adopted in the analysis and the results are compared. The failure mechanisms of the joints are discussed and the dissipation capacity is evaluated through the computation of the equivalent viscous damping coefficient related to the nonlinear hysteretic behavior. For the column-base joint, the influence of the axial load on the joint's nonlinear behavior is also investigated. The adopted analysis approach appears able to realistically simulate the failure mechanism of the joints. The analysis of the joints subjected to hysteretic cycles evidences a low dissipation capacity, while the analysis of the column-base joint puts in evidence the significant influence of the axial load on the connection's behavior.


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