Article: Hybrid FRP-concrete-steel tubular columns: concept and behavior.(hybrid fibre reinforced polymers)(Report)

Abstract

Hybrid FRP-concrete-steel double-skin tubular columns are a new form of hybrid columns recently proposed by the first author. The column consists of an outer tube made of fiber reinforced polymer (FRP) and an inner tube made of steel, with the space between filled with concrete. In this new hybrid column, the three constituent materials are optimally combined to achieve several advantages not available with existing columns. In this paper, the rationale for the new column form together with its expected advantages is first explained. A series of axial compression tests on stub columns are then presented to demonstrate some of the expected advantages. ...

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