Basalt Fibers as New Material for Reinforcement and Confinement of Concrete

Abstract:

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Basalt Fibre Reinforced Polymer (BFRP) is a new material in civil engineering and has shown to be a promising material for infrastructure strengthening. In comparison to carbon fiber, glass fiber and other composites, it has some advantages such as high-temperature resistance and low cost. At the Structural and Composite Laboratory at Reykjavik University (SEL) several research projects involving strengthening concrete beams and columns by using FRP materials have been on-going in recent years. These tests have shown improvements in strength and durability compared to unstrengthened concrete members. The benefit of using basalt fiber or other FRP material is that they are non-corrosive, which is a good choice for reinforcing concrete structure exposed to de-icing salts, for examples in bridge decks and parking garage elements. Also for concrete exposed to marine environment, such as seawalls, water breaks and buildings or other structures located near a waterfront. Two research projects are presented in this paper; a test of prestressed concrete with internal basalt rods instead of steel and a test of columns strengthened by wrapping fibre-reinforced composite sheets around the columns to increase their strength and ductility. These experimental tests show increasing strength and ductile for both the beams and the columns.

Info:

Periodical:

Solid State Phenomena (Volume 249)

Edited by:

Šárka Nenadálová and Petra Johová

Pages:

79-84

DOI:

10.4028/www.scientific.net/SSP.249.79

Citation:

E. R. Thorhallsson and J. T. Snaebjornsson, "Basalt Fibers as New Material for Reinforcement and Confinement of Concrete", Solid State Phenomena, Vol. 249, pp. 79-84, 2016

Online since:

April 2016

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$35.00

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