Dr. Francisco J. Carrión Profile

Dr. Francisco J. Carrión

Jefe de la Div de Concertacion at Instituto Mexicano del Transporte

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Publications (6)

Proceedings Article | 8 April 2009 Paper

Monitoring and evaluation of the anomalous vibration of a cable in a stayed bridge

Roberto Alvarado Cárdenas, Francisco Javier Carrión Viramontes, J. Alfredo López López, Juan Carlos Toledano Andrade

Proceedings Volume 7295, 72952C (2009) https://doi.org/10.1117/12.815630

KEYWORDS: Bridges, Chemical elements, Vibrometry, Inspection, Astatine, Finite element methods, Reliability, Safety, Failure analysis, Structural health monitoring

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After an extensive analysis, the Río Papaloapan Bridge in the state of Veracruz, Mexico, was scheduled for maintenance to replace the upper anchorage element of 20 cables that were identified as structurally deficient. For this rehabilitation, an extensive monitoring was implemented to ensure the integrity of the bridge. As a result, abnormal vibration levels were detected in one cable (cable 9 in semi-harp 1), particularly for winds over 50 km/h. To determine the origin of this behavior, additional vibration measurements were implemented to evaluate the dynamic vibrations of the different elements involved. Comparison of the frequency spectrum of different cables with same characteristics and tensions, it was found that the abnormal cable had high vibration levels within the range of 10 to 20 Hz. At the same time, the frequency spectrum for their corresponding upper anchorage of the cable also showed significant differences for the same range of frequencies and higher levels were detected for the same atypical cable in the semi-harp plane (xy plane). Analysis from the vibration data concluded that the tension of the cable was within specifications and the abnormal behavior was not due to distension. Simulation studies confirmed that reduction in the structural stiffness for the anchorage element induced high vibration levels in the range within 20 Hz and the dynamic coupling with the higher vibration modes of the cable was the most probable cause for the extensive vibration in the cable. Also, simulation analysis showed that a damping system could minimize significantly the vibration levels between 8 and 25 Hz. The foregoing gave us the opportunity to conclude that the cable # 9 o semi-harp 1, is under an abnormal conditions due to a dynamic vibration coupling to its upper anchorage element and the higher vibration in the xy plane in this anchorage element was most probably to stiffness reduction. Based on the previous, monitoring and detailed inspection of the anchorage element was recommended, and at the same time, consideration of a damping system is highly recommended to reduce vibration damage.

Proceedings Article | 18 April 2007 Paper

Cable 3D nonlinear model and damping systems on stayed bridges

Roberto Alvarado Cárdenas, Francisco Javier Carrión Viramontes, Gilberto Herrera Ruiz, Aurelio Domínguez González

Proceedings Volume 6523, 652313 (2007) https://doi.org/10.1117/12.714513

KEYWORDS: Bridges, 3D modeling, Systems modeling, Complex systems, Meteorology, Computer simulations, Failure analysis, Analytical research, Factor analysis, Earthquakes

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Proceedings Article | 20 March 2006 Paper

Reliability analysis of the upper anchorage of a cable-stayed bridge using a probabilistic structural model

Didier Samayoa, Francisco Carrión, José Alfredo López, Alexander Balankin

Proceedings Volume 6176, 61760W (2006) https://doi.org/10.1117/12.660533

KEYWORDS: Bridges, Chemical elements, Reliability, Statistical analysis, Failure analysis, Monte Carlo methods, Inspection, Chemical analysis, Finite element methods, Ultrasonics

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Proceedings Article | 19 May 2005 Paper

Probabilistic model for bridge structural evaluation using nondestructive inspection data

Francisco Carrion, Jose Alfredo Lopez, Alexander Balankin

Proceedings Volume 5767, (2005) https://doi.org/10.1117/12.598808

KEYWORDS: Bridges, Inspection, Data modeling, Failure analysis, Corrosion, Resistance, Optical inspection, Nondestructive evaluation, Reliability, Geographic information systems

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Proceedings Article | 14 February 2005 Paper

Fractal analysis of vibration amplitudes

G. Ayala-Landeros, Abundio Davila, Francisco Carrion, Victor Castano

Proceedings Volume 5776, (2005) https://doi.org/10.1117/12.611748

KEYWORDS: Fractal analysis, Cameras, Speckle pattern, Virtual colonoscopy, Laser Doppler velocimetry, Spectrum analysis, Speckle, Interferometry, Video, High speed cameras

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Proceedings Article | 18 August 2003 Paper

Corrosion damage evaluation of prestressed beams using an inverse wave propagation method

Francisco Carrion, Andres Torres-Acosta, Juan Quintana, Greg Mullins, Rajan Sen

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.482720

KEYWORDS: Corrosion, Modal analysis, Wave propagation, Sensors, Beam controllers, Calibration, Finite element methods, Data acquisition, Data modeling, Intelligence systems

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Showing 5 of 6 publications

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