Reinforced Concrete Beam Behavior with Strengthening of CFRP Lamination in The Seawater Environment
1). Ujang Ruslan*, 2). Ahmad Solih, 3) Giovano Ader
Politeknik Negeri Bandung
Abstract
Along with technological developments, the use of concrete was applied not only on land but also in extreme environmental areas such as seawater areas. The strength of concrete structures in the environment will decreases with the duration of exposure to seawater. This encourages the importance of developing effective repair and strengthening methods that can be relied on at economical costs. One of the most popular ways to repair structures is to use CFRP (Carbon Fiber Reinforced Polymer) materials. This research was conducted with an experimental method, namely reinforced concrete beams were given a monothonic load with two point loads to determine the ulitimit load capacity of the beams and then compared to the increase with the variable CFRP layer which the ends were anchored with CFRP U-wrap and given seawater immersion behavior. The purpose of this study is to determine the effectiveness of reinforcing CFRP laminates on concrete in the seawater environment and its collapse patterns so that it can be directly applied to be a solution in retrofitting structures in the marine environment, such as by repairing reinforced concrete beams on piers and bridges in the marine environment.
Keywords: lamination, CFRP, seawater environment
Topic: Civil Engineering