Studi Perilaku Kolom Pendek Beton Bertulang Dengan Pengekang Carbon Fiber Reinforced Polymer (CFRP) Yang Dikenai Beban Eksentrik

Pinang, Purwanelson Saputra (2015) Studi Perilaku Kolom Pendek Beton Bertulang Dengan Pengekang Carbon Fiber Reinforced Polymer (CFRP) Yang Dikenai Beban Eksentrik. S2 thesis, UAJY.

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Abstract

At the present time, it is often found that the existing building has been changed in the function or in the number of the floors. In the some cases, the increasing number of floors make an additional load to the existing columns. So it need to strengthen the existing column to be able to carry the additional load. One method to strengthen the existing column is using jacketing method. One of the jacketing method uses a Carbon Fiber Reinforced Polymer (CFRP). This research studies about the effect of CFRP layer on the short column subjected to eccentric loading. Twelve column specimens were made with the size of (75 x 75 x 750) mm and 36 cylinder specimenswith the sizw of (150 x 300) mm. The columns and cylinders made in with variation of the layer CFRP that are one layer, two layer, and three layer. The loading has eccentricity of 50 mm. The result shows that the increasing of the compressive strength of concrete using one layer, two layer, adn three layer of CFRP compare to the cylinder without CFRP were 9,9%, 81,9%, and 104,3% respectively, while the capacity of a column with one layer, two layer, and three layer of CFRP compare to the specimen without CFRP were 5,4%, 10,71%, and 16,3% respectively. The comparasion of the capacity of the column using the compressive strength of the Model Teng et al., Richart, and Lam and Teng, shows that the model of Teng et al closed to the experimental result.

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