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Title: On the Application of Basalt-Fiber Reinforced Polymer (BFRP) Bars to Prestressed Slab Elements Typical of the Precast Concrete Industry

Author(s): Liberato Ferrara

Publication: Web Session

Volume: ws_F19_Ferrara.pdf


Appears on pages(s):



Date: 10/24/2019

Basalt-Fibre Reinforced Polymer (BFRP) bars have been recently proposed to be used to pre-stress precast concrete elements. Their mechanical properties, combined with the potential low production cost and the low carbon footprint, make this application promising, given the problems related to anchorage and relaxation persist. Applications at present are limited to very few laboratory tests. The paper discussed how the Serviceability Limit State (SLS) and Ultimate Limit State (ULS) verifications of pre-stressed elements employing this technology vary with respect to elements pre-stressed with steel tendons. Furthermore, an attempt is made to investigate the potential application into the precast concrete industry, by analysing several elements (roof slabs, floor slabs, and beams) typical of the precast concrete industry and having different shape. This investigation highlights which type of element could be more advantageously switched to the use of pre-stressed BFRP bars, and at which cost in terms of structural performance.