Vibration and Mode Shapes Analysis of Cable Stayed Bridges Considering Different Structural Parameters

Name: Vibration and Mode Shapes Analysis of Cable Stayed Bridges Considering Different Structural Parameters
Brand: Grin Publishing
SKU: 9783656588788
Price: 6161 HUF
Availability: InStock

Szerző: Nazim Nariman

Nyelv:

Kötés: Puha kötésű

Kiadó: Grin Publishing

Elérhetőség: Beszállítói készleten

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Research Paper from the year 2014 in the subject Engineering - Civil Engineering, grade: unknown, Un...

Információk a könyvről

Szerző

Nazim Nariman

Nyelv

Angol

Kötés

Könyv - Puha kötésű

Kiadva

2014

oldal

EAN

9783656588788

ISBN

3656588783

Enbook ID

02497505

Kiadó

Grin Publishing

Súly

Méretek

148 x 210 x 3

Teljes leírás

Research Paper from the year 2014 in the subject Engineering - Civil Engineering, grade: unknown, University of Weimar, language: English, abstract: The vibration characteristic of a cable stayed bridges structure is the main axis of the study in this paper, many structural parameters are used to simulate and determine the effect of vibration on the structural performance by identifying the natural frequencies of the system and the mode shapes that can occur in the real structure. Modeling the stay cables with three famous styles of arrangements such as Harp, Semi Harp and Fan styles, and assigning roller, hinged and fixed boundary conditions on the deck support of the cable stayed bridge, in addition to using two design cases of the girders and pylons dimensions in the global structure for that purpose. Through the use of ABAQUS finite element analysis, the models were generated for each mentioned cases and the results of the frequency linear perturbation step of 10 mode shapes were determined through the simulation of the deformed shapes and the determined values of the natural frequencies of each mode for each case of interest. It was seen that the roller boundary condition was much prone to the early vibration and the stay cables of the direction near to the roller support were vibrated and stressed much more than the other direction compared with the hinged and fixed boundary conditions, and the mode shapes 7, 8, 9 and 10 were the most vibrated cases for all the boundary conditions without any distinction. The week design of the girders and the pylons has the great effect on the vibration of the stay cables, pylons and deck of the structure especially near the roller support direction due to the early vibration of the case of roller support, so the use of cross ties and damping between the stay cables and the girders are very important in the cases of significant vibrations which affect the performance of the cable stayed bridges.

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Vibration and Mode Shapes Analysis of Cable Stayed Bridges Considering Different Structural Parameters

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