Wood material can be demolished over time due to different environmental factors. Structural elements may need to be strengthened over time as a result of possible natural disasters or during use. Beams are elements under load in the direction perpendicular to their axes. Therefore, they are basically under the effect of bending. When the studies on the behavior of beams against bending test are examined, it is known that the bottom surface of the material generally breaks. For this reason, fiber reinforced polymers (FRP) materials have been used in recent years to reinforce beam members. It is a scientific fact that it is necessary to prefer FRPs for the solution of this problem, as well as their properties such as lightness, corrosion and flexibility, their application without disrupting the appearance of wood.In this study, it was aimed to investigate the effect of reinforcing wooden beams with fiber reinforced polymer materials with different properties on different bending behaviors such as load bearing capacity, ductility, modulus of elasticity. It was observed that the ductility and bearing capacity of wooden beams reinforced with fiber reinforced polymer materials increased significantly compared to non-reinforced beams.
Timber, concrete and steel are among the traditional building materials used in the construction of buildings. Since concrete is a durable material, it is a building material used in buildings, highways, dams, sidewalks and many other areas. Wood is one of the oldest building materials, and the use of wood and wood based materials for structural purposes continues to increase. The deterioration of existing wooden structures may result from fatigue and biological attack over time. The cost of replacing the damaged wooden elements is very high, so it seems more appropriate to repair and strengthen the damaged elements. In this study, 20x20x360 mm solid wood beam are reinforced with fiber reinforced polymers and the effect of fiber reinforced polymers on the bending properties of the beam was investigated. In order to determine the bending properties, three-point bending test was applied to the wood beams. As a result of this study, it was determined that the bending properties of wood beam reinforced with fiber reinforced polymer composites were better than the reference samples.
Sürdürülebilir yapı malzemeleri, yaşam döngüleri boyunca minimum düzeyde enerji harcayan, hammaddelerinin elde edilmesi, işlenmesi, kullanımı, bakım-onarımı ve atık oluşumları sırasında çevreye ve insan sağlığına zarar vermeyen malzemelerdir. Ahşap malzeme en yaygın kullanılan yapı malzemeleri arasındadır. Ancak mevcut kaynakların sürdürülebilirliğinin sağlanması için malzemenin servis ömrü boyunca korunması gerekmektedir. Uzun yıllardır ahşap malzeme yapıların inşasında kullanılmaktadır. Ülkemizde tarihi ahşap yapılar zaman içerisinde onarım ve güçlendirmeye ihtiyaç duymaktadır. Geleneksel onarım yöntemleri, ahşap malzemeye zamanla böcek arız olmasına, mantarlaşmaya ve çürüklüğe sebep olmaktadır. Ayrıca bütün zarar görmüş elemanların sökülmesi özellikle maliyet ve işçilik açısından önemli problemler ortaya çıkarabilmektedir. Bu nedenle, yapıda kullanılan ahşap elemanların tamamının değiştirilmesi yerine zarar görmüş elemanların onarılması sürdürülebilirlik açısından daha uygundur. Yapılan bölgesel değişiklik ile birlikte kavela, çivi, blonlama tekniği gibi yeni birleşimler oluşmaktadır. Fiber takviyeli polimerler ile güçlendirme ile zamandan tasarruf sağlanmakla birlikte görsellik açısından da önemli avantajlar sunmaktadır. Bu nedenle fiber takviyeli polimerlerin kullanımı daha sürdürülebilir ve yenilenebilir bir yapı oluşturmaya katkı sağlayacaktır.
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