Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi
Proje Grubu: MAG Sayfa Sayısı: 245 Proje No: 214M065 Proje Bitiş Tarihi: 01.05.2017 Metin Dili: Türkçe İndeks Tarihi: 03-12-2019
Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi
Öz: Bu projenin amacı kenar çatlağı içeren ankastre ve çift taraflı ankastre kirişlerin titreşimlerinin deneysel olarak incelenmesidir. Kirişin titreşim özellikleri üzerinde çatlak bulunması durumunda değişmektedir. Bu değişimin çatlağın konumundan ve derinliğinden ne şekilde etkilendiği araştırılmıştır. Proje kapsamında örnek kirişler üzerinde konumu ve derinliği bilinen keskin yorulma çatlakları üç nokta eğilme yüklemesi altına açılmıştır. Üzerinde çatlak oluşturulan kirişler iki tür harmonik yükleme altında zorlanmış titreşim testine tabi tutulmuştur. Zorlanmış titreşim testleri öncesinde doğal frekansları belirlemek için rastgele (random) tahrik testleri de yapılmıştır. Birinci tür zorlanmış titreşim testinde sabit deney düzeneğine mesnetlenen kirişe, belli bir noktadan sarsıcı ve kontrol sistemi kullanılmak suretiyle sabit genlikte harmonik kuvvet uygulanmıştır. İkinci tür testte ise kiriş sarsıcı tablasına bağlanarak mesnetten harmonik ivme ile tahrik edilmiştir. Birinci tür testte de kirişin titreşim cevabı ivme verileri toplanarak deneysel olarak incelenmiştir. İkinci tür testte ise deneylerde karşılaşılan bazı sorunlar aşılamadığından sonuç elde edilememiştir. Belirli tahrik frekansları için titreşim cevabının Fast Fourier Transform (FFT) sonuçları ve belirli frekans aralıklarında da frekans tepki fonksiyonları (FTF) elde edilmiştir. Literatürde bulunan bazı analitik modeller kullanılarak ve ayrıca sayısal yöntemlerle (sonlu elemanlar yöntemi) bazı deneylerin simülasyonları da gerçekleştirilmiştir. Bu simulasyon sonuçları yapılacak deneylerin ve elde edilebilecek sonuçların belirlenmesinde yol gösterici olmuştur. Bu çalışmalar sonucunda titreşim cevabında görülen doğrusal olmayan davranışların çatlak, kiriş ve yükleme parametreleriyle ilişkisi konusunda bilgiler elde edilmiş, deneysel, analitik ve sayısal sonuçların uyumlu olup olmadığı değerlendirilmiştir
Anahtar Kelime: Konular:
Erişim Türü: Erişime Açık
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| APA | KADIOĞLU F, ÖZGEN G, CİĞEROĞLU E (2017). Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. , 1 - 245. |
| Chicago | KADIOĞLU Fevzi Suat,ÖZGEN Gökhan Osman,CİĞEROĞLU Ender Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. (2017): 1 - 245. |
| MLA | KADIOĞLU Fevzi Suat,ÖZGEN Gökhan Osman,CİĞEROĞLU Ender Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. , 2017, ss.1 - 245. |
| AMA | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. . 2017; 1 - 245. |
| Vancouver | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. . 2017; 1 - 245. |
| IEEE | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E "Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi." , ss.1 - 245, 2017. |
| ISNAD | KADIOĞLU, Fevzi Suat vd. "Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi". (2017), 1-245. |
| APA | KADIOĞLU F, ÖZGEN G, CİĞEROĞLU E (2017). Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. , 1 - 245. |
| Chicago | KADIOĞLU Fevzi Suat,ÖZGEN Gökhan Osman,CİĞEROĞLU Ender Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. (2017): 1 - 245. |
| MLA | KADIOĞLU Fevzi Suat,ÖZGEN Gökhan Osman,CİĞEROĞLU Ender Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. , 2017, ss.1 - 245. |
| AMA | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. . 2017; 1 - 245. |
| Vancouver | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi. . 2017; 1 - 245. |
| IEEE | KADIOĞLU F,ÖZGEN G,CİĞEROĞLU E "Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi." , ss.1 - 245, 2017. |
| ISNAD | KADIOĞLU, Fevzi Suat vd. "Çatlak İçeren Kirişlerin Titreşimlerinin Deneysel İncelenmesi". (2017), 1-245. |
