Effective Mode Shapes of Viaducts Subjected to High-speed Train
Yıl: 2021 Cilt: 23 Sayı: 67 Sayfa Aralığı: 295 - 307 Metin Dili: İngilizce DOI: 10.21205/deufmd.2021236726 İndeks Tarihi: 29-07-2022
Effective Mode Shapes of Viaducts Subjected to High-speed Train
Öz: The high-speed railways require more viaducts than conventional railways. The dynamic interactioneffect between train and viaduct are important issue due to the risk of derailment, structural safetyand deterioration of the passenger comfort. In this study, viaduct is modelled as a multi-bay frame.The multi-bay frame is modelled by finite element method. The train is idealized as a two-axle systemwith 4 degrees of freedom. The equations of motions of the coupled vehicle-structure system aredetermined via generalized Lagrange's equation. The Wilson-theta time integration method isemployed to determine the dynamic response of the system. The effective mode shapes areinvestigated using 3D frequency-velocity-amplitude graphs. The resonant response has beendetermined at first and second modes of 1 and 2-bay frames.
Anahtar Kelime: Hızlı Tren Geçişine Maruz Kalan Viyadüklerin Etkin Mod Şekilleri
Öz: Yüksek hızlı demiryolları, geleneksel demiryollarından daha fazla viyadük gerektirir. Tren ve viyadük arasındaki dinamik etkileşim etkisi, raydan çıkma, yapısal güvenlik ve yolcu konforunun bozulması nedeniyle önemli bir konudur. Bu çalışmada viyadük çok bölmeli bir çerçeve olarak düşünülmüştür. Çok bölmeli çerçeve sonlu elemanlar yöntemi ile modellenmiştir. Tren, 4 serbestlik dereceli iki akslı sistem olarak idealize edilmiştir. Birleştirilmiş araç-yapı sisteminin hareket denklemleri genelleştirilmiş Lagrange denklemi ile belirlenmiştir. Sistemin dinamik yanıtını belirlemek için Wilson-teta zaman integrasyonu yöntemi kullanılmıştır. Etkin mod şekilleri, 3D frekans-hız-genlik grafikleri kullanılarak araştırılmıştır. 1 ve 2 bölmeli çerçevelerin birinci ve ikinci modlarının, yapının rezonans cevabında baskın olduğu belirlenmiştir.
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | Demirtaş S, Ozturk H (2021). Effective Mode Shapes of Viaducts Subjected to High-speed Train. , 295 - 307. 10.21205/deufmd.2021236726 |
| Chicago | Demirtaş Salih,Ozturk Hasan Effective Mode Shapes of Viaducts Subjected to High-speed Train. (2021): 295 - 307. 10.21205/deufmd.2021236726 |
| MLA | Demirtaş Salih,Ozturk Hasan Effective Mode Shapes of Viaducts Subjected to High-speed Train. , 2021, ss.295 - 307. 10.21205/deufmd.2021236726 |
| AMA | Demirtaş S,Ozturk H Effective Mode Shapes of Viaducts Subjected to High-speed Train. . 2021; 295 - 307. 10.21205/deufmd.2021236726 |
| Vancouver | Demirtaş S,Ozturk H Effective Mode Shapes of Viaducts Subjected to High-speed Train. . 2021; 295 - 307. 10.21205/deufmd.2021236726 |
| IEEE | Demirtaş S,Ozturk H "Effective Mode Shapes of Viaducts Subjected to High-speed Train." , ss.295 - 307, 2021. 10.21205/deufmd.2021236726 |
| ISNAD | Demirtaş, Salih - Ozturk, Hasan. "Effective Mode Shapes of Viaducts Subjected to High-speed Train". (2021), 295-307. https://doi.org/10.21205/deufmd.2021236726 |
| APA | Demirtaş S, Ozturk H (2021). Effective Mode Shapes of Viaducts Subjected to High-speed Train. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, 23(67), 295 - 307. 10.21205/deufmd.2021236726 |
| Chicago | Demirtaş Salih,Ozturk Hasan Effective Mode Shapes of Viaducts Subjected to High-speed Train. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 23, no.67 (2021): 295 - 307. 10.21205/deufmd.2021236726 |
| MLA | Demirtaş Salih,Ozturk Hasan Effective Mode Shapes of Viaducts Subjected to High-speed Train. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, vol.23, no.67, 2021, ss.295 - 307. 10.21205/deufmd.2021236726 |
| AMA | Demirtaş S,Ozturk H Effective Mode Shapes of Viaducts Subjected to High-speed Train. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi. 2021; 23(67): 295 - 307. 10.21205/deufmd.2021236726 |
| Vancouver | Demirtaş S,Ozturk H Effective Mode Shapes of Viaducts Subjected to High-speed Train. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi. 2021; 23(67): 295 - 307. 10.21205/deufmd.2021236726 |
| IEEE | Demirtaş S,Ozturk H "Effective Mode Shapes of Viaducts Subjected to High-speed Train." Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, 23, ss.295 - 307, 2021. 10.21205/deufmd.2021236726 |
| ISNAD | Demirtaş, Salih - Ozturk, Hasan. "Effective Mode Shapes of Viaducts Subjected to High-speed Train". Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 23/67 (2021), 295-307. https://doi.org/10.21205/deufmd.2021236726 |
