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THE EFFECT OF GFRP REINFORCED SQUARE CONCRETE CHIMNEY ON MODAL PARAMETERS USING FINITE ELEMENT METHOD
There is a growing concern with worldwide deterioration of traditional materials such as concrete, steel, and timber. Recently, attention has shifted to the use of fiber reinforced polymer composites (FRPs) as alternative materials. As FRPs are non-corrosive, high strength and modulus values compared to their density, light weight, acceptable deformability, tailored design and excellent formability enable the fabrication of new elements and the structural rehabilitation of the existing parts made of traditional materials. Furthermore, the resistance of FRP materials to corrosion means that they can be used to replace steel and reinforced concrete in situations when they would be exposed to corrosion. FRP therefore has wide application prospects in civil engineering ranging from reinforcing rods and tendons, wraps for seismic retrofit of columns and externally bonded reinforcement for strengthening of walls, beams, and slabs, to all-composite bridge decks, and even hybrid and all-composite structural systems. The method of strengthening with GFRP has been used in many studies recently. Therefore, this study was conducted. In this study, as a result of the reinforcement made by wrapping 2 mm thick GFRP fabric into the 20 m height concrete chimney structure. The differences between modal parameters of the concrete chimney and GFRP reinforced concrete chimney were compared. These modal parameters are period and mode shapes. The first 5 modes of the situation with and without GFRP were examined with finite element method. A difference of 0.8% - 1.5% was observed in the periods of the first 5 modes. Reinforcement with GFRP has been observed to be positive for safety on the concrete chimneys.
THE EFFECT OF GFRP REINFORCED SQUARE CONCRETE CHIMNEY ON MODAL PARAMETERS USING FINITE ELEMENT METHOD
There is a growing concern with worldwide deterioration of traditional materials such as concrete, steel, and timber. Recently, attention has shifted to the use of fiber reinforced polymer composites (FRPs) as alternative materials. As FRPs are non-corrosive, high strength and modulus values compared to their density, light weight, acceptable deformability, tailored design and excellent formability enable the fabrication of new elements and the structural rehabilitation of the existing parts made of traditional materials. Furthermore, the resistance of FRP materials to corrosion means that they can be used to replace steel and reinforced concrete in situations when they would be exposed to corrosion. FRP therefore has wide application prospects in civil engineering ranging from reinforcing rods and tendons, wraps for seismic retrofit of columns and externally bonded reinforcement for strengthening of walls, beams, and slabs, to all-composite bridge decks, and even hybrid and all-composite structural systems. The method of strengthening with GFRP has been used in many studies recently. Therefore, this study was conducted. In this study, as a result of the reinforcement made by wrapping 2 mm thick GFRP fabric into the 20 m height concrete chimney structure. The differences between modal parameters of the concrete chimney and GFRP reinforced concrete chimney were compared. These modal parameters are period and mode shapes. The first 5 modes of the situation with and without GFRP were examined with finite element method. A difference of 0.8% - 1.5% was observed in the periods of the first 5 modes. Reinforcement with GFRP has been observed to be positive for safety on the concrete chimneys.
THE EFFECT OF GFRP REINFORCED SQUARE CONCRETE CHIMNEY ON MODAL PARAMETERS USING FINITE ELEMENT METHOD
Furkan Günday (author) / Anas M.S Alihassan (author)
2021-05-17
Euro-Asia Conferences; Vol. 5 No. 1 (2021): STEP-2; 111-117
Article (Journal)
Electronic Resource
English
DDC:
690
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