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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2015 Vol.7(1): 21-24 ISSN: 1793-8236
DOI: 10.7763/IJET.2015.V7.759

Effect of Marine Environment to the Concrete Beams Strengthened Using GFRP Sheet

Mufti Amir Sultan, Herman Parung, Wihardi Tjaronge, and Rudy Djamaluddin
Abstract—Structures built in aggressive environments such as in the sea/marine environment need to be carefully designed, due to possibility of chloride ion penetration into the concrete. One way to reduce the strength degradation in such environment is to use FRP, which is attached to the surface of R/C using epoxy. The study presented is focused on determining the effect of the sea water to the capacity of GFRP as flexural reinforcement elements. Beams of 10×10×40 cm dimension were designed without reinforcing bars. The samples were tested using variation to the distance to the sea and duration of the contact to the sea. The result showed that the use GFRP increased the flexural strength 84,21%, compared to the normal beam, without GFRP. It can also be seen that the closer the distance to the sea, the higher the strength degradation of the beam. The sample rinsed in the water has strength 2.13 kN after 9 months, while sample put at a distance 1 km from the seam has strength 2.53 kN. The result of this study also showed that for areas closer to the sea has a greater effect in terms decreasing flexural capacity of the beam

Index Terms—Flexural strength, GFRP, marine environment.

The authors are with the Civil Engineering Department of Hasanuddin University, Makassar, South Sulawesi, Indonesia (e-mail: muftiasltn@gmail.com, parungherman@yahoo.co.id, tjaronge@yahoo.co.jp, rudy0011@hotmail.com).

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Cite: Mufti Amir Sultan, Herman Parung, Wihardi Tjaronge, and Rudy Djamaluddin, "Effect of Marine Environment to the Concrete Beams Strengthened Using GFRP Sheet," International Journal of Engineering and Technology vol. 7, no. 1, pp. 21-24, 2015.

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