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A study on fibre-reinforced concrete elements properties based on the case of habitat modules in the underwater sills

Abstract

Hydrotechnical constructions are mostly objects functioning in extreme conditions and requiring a custom-made construction project. In the case of using prefabricated elements, it is required to develop production, transport, assembly, conservation and repair technology. Concerning the problem of concrete cracks, modern repair systems allow positive effects to be achieved in many cases of concrete elements repair. In this work an attempt has been made to assess the properties of concrete, situated in the Baltic Sea environment, in which traditional rebar was partly replaced by dispersed fibre-phase. Fibre-reinforced concrete belongs to the group of composite materials. The presence of fibres helps to increase the tensile strength, flexural strength and resilience and also prevents the appearance of cracks. In the given paper we will also discuss basic parameters of steel and polymer fibres and the influence of both types of fibres on the maturing and hardened concrete. In this work special attention has been paid to the advantages of polypropylene and polymer fibres with regard to commonly-known steel fibres. The use of synthetic fibres will be advantageous in constructions where the reduction of shrinkage cracks and high resilience are essential. On top of that, the use of synthetic fibres is highly recommended when constructing objects that will be exposed to the impact of an aggressive environment. Undoubtedly, polymer fibres are resistant to the majority of corrosive environments. Fibre-reinforced concretes are a frequently implemented construction solution. The possibility of concrete modification allows the emergence of new construction materials with improved physical-mechanical properties, under the condition of being applied relevantly.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Polish Maritime Research no. 27, pages 143 - 151,
ISSN: 1233-2585
Language:
English
Publication year:
2020
Bibliographic description:
Kurpińska M., Grzyl B., Kristowski A.: A study on fibre-reinforced concrete elements properties based on the case of habitat modules in the underwater sills// Polish Maritime Research -Vol. 27,iss. 1(105) (2020), s.143-151
DOI:
Digital Object Identifier (open in new tab) 10.2478/pomr-2020-0015
Verified by:
Gdańsk University of Technology

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