Yield Line Design for SFRC Elevated Slabs

Colombo, Matteo; Prisco, Marco di; Pourzarabi, Ali

doi:10.1007/978-3-030-83719-8_49

Cited by 2 publications

(1 citation statement)

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“…This approach has been suggested also in the new generation of Eurocodes, which includes a new annex (Annex L) explicitly devoted to the design of SFRC structural elements. 4 Although some studies are available in the literature on the constitutive relationship of the material, [5][6][7][8][9][10] on the structural behavior of elevated slabs and beams, [11][12][13][14][15][16] and on their design approach, [17][18][19] the present work aims to shed some new lights through a comprehensive experimental campaign on SFRC beams and slabs, with or without ordinary reinforcement. Special attention is devoted to the reliability of building codes requirements to predict both the load-bearing capacity and the behavior in service conditions, with the aim of comparing the ductility supplied by high dosages of steel fibers, or low dosages used in combination with conventional reinforcement.…”

Section: Introductionmentioning

confidence: 99%

The basis for ductility evaluation in SFRC structures in MC2020: An investigation on slabs and shallow beams

Colombo

Conforti

Prisco

et al. 2023

Structural Concrete

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The paper presents a synthesis of an extensive experimental campaign on linear and two‐dimensional steel fiber reinforced concrete (SFRC) structural elements carried out to check the ductility requirements aimed at guaranteeing limit analysis approaches for the computation of ultimate load‐bearing capacity of SFRC structures; special attention is devoted to the role of the degree of redundancy of the structure. In particular, full‐scale shallow beams and slabs reinforced with steel fibers (with or without conventional longitudinal reinforcement) were tested in two different laboratories: the Politecnico di Milano (PoliMI) and the University of Brescia (UniBS). In this experimental campaign, two different fiber contents and fiber types were considered. The experimental investigation, carried out within the activities to support Annex L of Eurocode 2, was fundamental also for developing the design rules included in the fib Model Code 2020 and allowed to formulate conclusions regarding optimization of the mix design, ductility, and design prediction at the ultimate capacity.

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