Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/29407
Title: Behaviour of geopolymer concrete circular column using glass fiber reinforced polymer
Authors: Karthiyaini, S
Nagan, S
Keywords: Compressive strength;Fly ash;Geopolymer concrete;GFRP sheets wrapping;Short column
Issue Date: Aug-2014
Publisher: NISCAIR-CSIR, India
Abstract: An experimental investigation is carried out on the behaviour of axially loaded geopolymer concrete short columns that have been strengthened by wrapping with glass fiber reinforced polymer (GFRP). An experiment has been conducted to study the load-deflection behaviour and compressive strength of reinforced geopolymer concrete short circular columns of M30 and G30 grade concrete, under axial compression. Several aspects related to the use of GFRP to strengthen the geopolymer concrete short column are examined. The objectives of the hypothesis are: potential behaviour of geopolymer reinforced concrete short circular columns, evaluate the effects of GFRP layers under ultimate load and evaluate the ductility of short columns, analyse the stiffness and compressive strength indices for geopolymer short columns and analyse the mechanical behaviours of the glass fiber reinforced polymer (GFRP) while wrapping around the column. Totally six specimens are subjected to axial compression which includes control specimens. All the test specimens are loaded to identify the point of failure in axial compression and investigated subsequently in axial and transverse direction. The overall length of the column is 800 mm. The reinforcement ratio is kept constant throughout the study as 2.16%. The load carrying capacity and deflection pattern are arrived and compared against ordinary Portland cement reinforced column and also the results are compared against column wrapped with GFRP sheets.
Page(s): 458-464
URI: http://hdl.handle.net/123456789/29407
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.21(4) [August 2014]

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