Studies on the behaviour of steel fibre-reinforced concrete under monotonic and repeated cyclic stress in compression

• Autorzy: Jayanth K. , Shesha Prakash M. N. , Suresh G. S. , Naveen B. O.

Identyfikatory

DOI

10.1007/s43452-021-00371-8

• Języki publikacji: EN

Abstrakty

EN

Steel fibre-reinforced concrete (SFRC) has shown better performance behaviour with respect to the post-crack strength and in restricting the crack width and its propagation. Studies on behaviour of SFRC under repeated loading are a significant work. Behaviour of reinforced concrete structures during ground excitations in the form of earthquake forces could be significantly improved by addition of steel fibres in suitable dosage. Fibre type, aspect ratio, and dosage of fibres significantly influence the behaviour of steel fibre-reinforced concrete. Here, the work carried by various researchers with respect to the studies on the behaviour of SFRC under monotonic and cyclic stress in compression is presented. An experimental investigation on stress–strain characteristics of SFRC under monotonic loading in compression was carried, comprising M20 grade concrete, hooked-end steel fibres (l = 50 mm, diameter = 1 mm), and varying fibre dosages of 1.0, 1.25, 1.5, and 1.75% by volume of concrete. The stress–strain characteristics arrived based on the above experimental studies were compared with theoretical stress–strain characteristics, based on the equations proposed in literature. This served in understanding the behaviour of SFRC with respect to their stress–strain characteristics using experimental studies and by theoretical models, and analyse the extent of agreement and acceptance.

Słowa kluczowe

EN

SFRC; hooked end fibres; aspect ratio; cyclic stress

PL

beton zbrojony; konstrukcja żelbetowa; włókno stalowe

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 1
• Strony: art. no. e50, 2022
• Opis fizyczny: Bibliogr. 43 poz., tab., wykr.

Twórcy

autor

Jayanth K.

• Department of Civil Engineering, The National Institute of Engineering, Manandavadi Road, Mysore 570 008, India

autor

Shesha Prakash M. N.

• Department of Civil Engineering, Vidya Vikas Institute of Engineering and Technology, Bannur Road, Alanahally, Mysore, Karnataka 570 028, India

autor

Suresh G. S.

• Department of Civil Engineering, The National Institute of Engineering, Manandavadi Road, Mysore 570 008, India

autor

Naveen B. O.

• Department of Civil Engineering, The National Institute of Engineering, Manandavadi Road, Mysore 570 008, India

• https://orcid.org/0000-0002-9861-585X

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)