Analysis and behaviour of structural concrete reinforced with sustainable materials

Salh, Luna Analysis and behaviour of structural concrete reinforced with sustainable materials. Master of Philosophy thesis, University of Liverpool.

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Abstract

Fibre reinforced polymer (FRP) composites have extensive applications in various fields such as the aerospace and automotive engineering industries. In recent years, there have been more novel applications for FRP in the construction industry. FRP is known for its beneficial properties such as high strength to weight ratio, lower specific weight and excellent corrosion and fatigue resistance. These advantages have made FRP more desirable to be used as an alternative to steel reinforcement for internal as well as external reinforcement in structural concrete, especially those which are exposed to extreme environments. One of the objectives of this research is to identify all the different types of fibre reinforced polymer such as CFRP, GFRP and BFRP. These all can be used as an alternative to conventional steel reinforcement in structural concrete. For each type their physical and mechanical properties such as tensile strength, modulus of elasticity, ultimate strain, durability in alkaline environments, fatigue strength and bond strength has been identified. This thesis also presents the results of experimental, analytical and numerical modelling investigations of the performance and behaviour of concrete members reinforced with basalt fibre reinforced polymer (BFRP). The primary objective of this research is to address the applicability of this material as internal reinforcement and to investigate the applicability of current FRP design guides on BFRP as an internal reinforcement to structural concrete members. For the flexure investigation of BFRP reinforced concrete sections, four beams were studied, two of them being BFRP reinforced beams and two of them being conventional steel reinforced beams that have been used as control beams. The outcome of this has shown us different types of FRP bars that can replace the traditional steel reinforcement in concrete structures. Also it provides us with detailed knowledge of the behaviour of materials such as BFRP bars. Moreover, it determines the applicability of current FRP design guidelines on BFRP reinforcements.

Item Type:	Thesis (Master of Philosophy)
Additional Information:	Date: 2014-02 (completed)
Subjects:	?? TA ??
Divisions:	Faculty of Science and Engineering > School of Engineering
Depositing User:	Symplectic Admin
Date Deposited:	08 Aug 2014 08:27
Last Modified:	16 Dec 2022 04:41
DOI:	10.17638/00016333
URI:	https://livrepository.liverpool.ac.uk/id/eprint/16333