MATEC Web Conf.
Volume 310, 20204th International Scientific Conference Structural and Physical Aspects of Construction Engineering (SPACE 2019)
|Number of page(s)||7|
|Published online||05 March 2020|
Effect of an acidic environment on a glass fibre reinforced polymer grid
Brno University of Technology, Institute of Concrete and Masonry Structures, Czech Republic
2 Prefa kompozity, Brno, Czech Republic
3 The Universidade Federal de Santa Catarina, Florianópolis, Brazil
* Corresponding author: firstname.lastname@example.org
The article deals with the effect of an acidic environment on the mechanical properties of a Glass Fibre Reinforced Polymer (GFRP) grid. GFRP composites are prone to the absorption of surrounding media which are either of a liquid or gaseous state, and this may result in the degradation of their mechanical properties. The effect of an acidic environment is examined on specimens cut from a GFRP grid. The specimens were stored in an acidic bath (pH scale 2 – 2.5) for a period of 0 (reference specimen), 1000, 2000 and 6000 hours. The temperature of the acidic bath was 60°C. The specimens were then tested using three‒point bending and the interlamination shear strength test. During the tests, the load and deformation of the specimens were monitored and flexural strength instead and modulus of elasticity were determined. The characteristics of the specimens exposed to the acidic environment were compared with those of the reference specimen. The experiment demonstrated the effect an acidic environment can have on the properties of GFRP material.
© The Authors, published by EDP Sciences, 2020
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