Araştırma Makalesi
Yıl 2023,
Cilt: 26 Sayı: 2, 346 - 362, 03.06.2023
Öz
Son yıllarda liflerle güçlendirilmiş polimerler (FRP), inşaat alanında kullanılan yeni nesil yapı malzemelerinden biri olmuştur. FRP malzemelerin kimyasallara ve korozyona karşı dayanıklılığının yüksek olması nedeniyle çelik donatıya alternatif olarak kullanımı özellikle yurt dışında köprülerde, istinat duvarlarında ve korozyonun sorun teşkil ettiği uygulamalarda tercih edilmektedir. FRP malzemelerin yapı elemanlarında donatı olarak kullanımı ACI 440.1R-15 standartlarına göre yapılmaktadır. Ancak Türkiye’de henüz FRP donatılar ile ilgili bir standart geliştirilmemiştir. FRP türleri arasında ekonomik anlamda en çok tercih edilen donatı türü cam liflerle güçlendirilmiş polimer (GFRP) donatılardır. Bu çalışmada GFRP malzemenin bir yapıda donatı olarak kullanımının çelik donatılara göre yapısal performansı karşılaştırmalı olarak değerlendirilmiştir. Çalışmada, zaman tanım alanında analiz ve statik itme analizi olmak üzere iki aşamadan oluşmaktadır. Analizlerde ETABS19 yazılımı kullanılmış ve TBDY2018 performans kriterleri hesaplamalarda dikkate alınmıştır. Çalışma sonucunda, çelik donatılı yapı ile GFRP donatılı yapının zaman tanım alanı analizi sonucunda hasar seviyelerinin benzer olmasına rağmen kesit elemanlarındaki dönme oranlarında ve statik itme analizi sonucunda göçme mekanizmalarında farklılıklar gözlemlenmiştir.
Anahtar Kelimeler
GFRP statik itme zaman tanım alanında analiz doğrusal olmayan analiz etkin kesit rijitliği
Kaynakça
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- Elchalakani, Mohamed, and Guowei Ma. (2017). Tests of Glass Fibre Reinforced Polymer Rectangular Concrete Columns Subjected to Concentric and Eccentric Axial Loading. Engineering Structures 151:93–104. doi: 10.1016/J.ENGSTRUCT.2017.08.023.
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- Feng, Peng, Jie Wang, Yi Wang, David Loughery, and Ditao Niu. (2014). Effects of Corrosive Environments on Properties of Pultruded GFRP Plates. Composites Part B: Engineering 67:427–33. doi: 10.1016/J.COMPOSITESB.2014.08.021.
- Garcia-Espinel, J. D., D. Castro-Fresno, P. Parbole Gayo, and F. Ballester-Muñoz. (2015). Effects of Sea Water Environment on Glass Fiber Reinforced Plastic Materials Used for Marine Civil Engineering Constructions. Materials & Design (1980-2015) 66(PA):46–50. doi: 10.1016/J.MATDES.2014.10.032.
- Ghomi, Shervin K., and Ehab El-Salakawy. (2019). Seismic Behavior of GFRP-Reinforced Concrete Interior Beam–Column–Slab Subassemblies. Journal of Composites for Construction 23(6):04019047. doi: 10.1061/(asce)cc.1943-5614.0000980.
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- Guadagnini, Maurizio, Kypros Pilakoutas, and Peter Waldron. (2006). Shear Resistance of FRP RC Beams: Experimental Study. Journal of Composites for Construction 10(6):464–73. doi: 10.1061/(ASCE)1090-0268(2006)10:6(464).
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- Hao, Q. D., B. Wang, and J. P. Ou. (2006). Fiber Reinforced Polymer Rebar’s Application to Civil Engineering. Concrete 9(1):38–40.
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- Lau, Denvid, and Hoat Joen Pam. (2010). Experimental Study of Hybrid FRP Reinforced Concrete Beams. Engineering Structures 32(12):3857–65. doi: 10.1016/J.ENGSTRUCT.2010.08.028.
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- Remennikov, Alex, Matthew W. Goldston, and M. Neaz Sheikh.(2016). Impact Resistance of Ultra-High Strength Concrete Beams with FRP Reinforcement. Proceedings of the 8th International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering, CICE 2016 (December):1374–80.
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- Tarawneh, Ahmad, and Sereen Majdalaweyh. (2020). Design and Reliability Analysis of FRP-Reinforced Concrete Columns. Structures 28:1580–88. doi: 10.1016/J.ISTRUC.2020.10.009.
- Tobbi, Hany, Ahmed Sabry Farghaly, and Brahim Benmokrane. (2012). Concrete Columns Reinforced Longitudinally and Transversally with Glass Fiber-Reinforced Polymer Bars Seismic Behavior of GFRP-Reinforced Flat Plate Structures under Simulated Quasi-Static Cyclic Lateral Loads View Project Strength and Drift Capacity Desi. ACI Structural Journal 109(4).
- Wu, Lili, Xiang Xu, Hui Wang, and Jia Qi Yang. (2022). Experimental Study on Bond Properties between GFRP Bars and Self-Compacting Concrete Construction and Building Materials 320:126186. doi: 10.1016/J.CONBUILDMAT.2021.126186.
- Xue, Weichen, Fei Peng, and Zhiqing Fang. (2018). Behavior and Design of Slender Rectangular Concrete Columns Longitudinally Reinforced with Fiber-Reinforced Polymer Bars. ACI Structural Journal 115(2):311–22. doi: 10.14359/51701131.
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Toplam 39 adet kaynakça vardır.
Ayrıntılar
| Birincil Dil | Türkçe |
|---|---|
| Konular | İnşaat Mühendisliği |
| Bölüm | İnşaat Mühendisliği |
| Yazarlar | |
| Yayımlanma Tarihi | 3 Haziran 2023 |
| Gönderilme Tarihi | 17 Ağustos 2022 |
| Yayımlandığı Sayı | Yıl 2023Cilt: 26 Sayı: 2 |
