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Analytical Modeling of the Postcracking Response Observed in Hybrid Steel/Polypropylene Fiber-Reinforced Concrete

Caggiano, Antonio ; Pepe, Marco ; Xargay, Hernan ; Martinelli, Enzo (2021):
Analytical Modeling of the Postcracking Response Observed in Hybrid Steel/Polypropylene Fiber-Reinforced Concrete. (Publisher's Version)
In: Polymers, 12 (9), MDPI, ISSN 2073-4360,
DOI: 10.26083/tuprints-00018640,
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Item Type: Article
Origin: Secondary publication via sponsored Golden Open Access
Status: Publisher's Version
Title: Analytical Modeling of the Postcracking Response Observed in Hybrid Steel/Polypropylene Fiber-Reinforced Concrete
Language: English
Abstract:

This study deals with the analytical modeling of hybrid fiber-reinforced concretes (HyFRCs) made with a blend of different types of fibers characterized by different geometries and/or constitutive materials. The presented analytical formulation is oriented towards predicting the postcracking behavior of HyFRC and is mainly based on the well-known "cracked-hinge" model originally employed for standard fiber-reinforced concrete beams. The proposed model is validated by considering the experimental results obtained in a previous study carried out on HyFRCs mixtures made with a blend of steel and polypropylene fibers. Theoretical results are presented to demonstrate the predictive capabilities of the model to simulate the observed experimental behavior. The model performance is in very good agreement with the experimental data. Therefore, it has the capability to forecast the postcracking behavior of a generic HyFRC of given fiber contents depending on the actual proportion of the fiber blend. Finally, the proposed formulation can be applied as a computational aid to the design of HyFRC mixtures for structural purposes.

Journal or Publication Title: Polymers
Journal volume: 12
Number: 9
Publisher: MDPI
Collation: 15 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 690 Hausbau, Bauhandwerk
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute of Construction and Building Materials
Date Deposited: 30 Jul 2021 07:43
Last Modified: 30 Jul 2021 07:44
DOI: 10.26083/tuprints-00018640
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-186405
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/18640
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