Evaluación de vibraciones en estructuras usando un método óptico no convencional
DOI:
https://doi.org/10.21754/tecnia.v17i2.371Palabras clave:
vibraciones, excitación sonora, detección láser, foto deflexiónResumen
En este trabajo se presenta el resultado de evaluar las vibraciones de un Techo (CISMID /
UNI) en base a un procedimiento no convencional, por el cual la vibración de la estructura es
producida por ondas sonoras cuasi monocromáticas y la detección de los movimientos
vibratorios es medida ópticamente, por la deflexión de un rayo láser reflejado,
experimentalmente se obtienen 2 frecuencias resonantes prominentes: 28.5 Hz y 45 Hz, las que
se identifican como los modos resonantes (1,1) y (2.1) respectivamente.
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Citas
[1] Valera, A., et al. “Aplicaciones ópticas en la Metrología”, TECNIA, Vol. 8 N° 1, pp. 63-67, 1998, Lima, Perú.
[2] Wiegel, R. “Earthquake — Engineering”, Prentice Hall 1970, Inc. pp. 518, USA.
[3] Kulyabko, V., Davydov, I., “Random oscillations and comfort of structures”, 8th ASCE Specialty Conference on Probabilistic Mechanics and structural reliability PCM 2000 pp. 13: 235 - 246 - 314, USA.
[4] Ruscheweyh, H., “Full-scale measurements of wind-induced oscillations of chimneys Journal of Wind Engineering and Industrial Aerodynamics”, Vol 65, issues 1-3, Dec. 1996, pp. 55 — 62, Holanda.
[5] Douglas Hayes, lan Sparks, J., “Van Cranenbroeck TS 78 - Survey Control and Monitoring of Buildings - Core Wall Survey Control System for High Rise Buildings, October 8-13, 2006, Shaping the Change XXIII FIG Congress Munich, Germany.
[6] Cerovsek, T., Katranuschkow, P., “Active Process Model Supported Collaboration”, In: proceeding of cib-w78 2005 - 22nd Conference on Information Technology in Construction, Scherer R.J, P. Katranuschkov & S.-E. Schapke (ed.); CIB Publication, ISBN 3-86005-478-3, pp. 97-104, July 2005, Alemania.
[7] Scherer, R. J., Weise M., Katranuschkow, P., “A Cooperation Model for the Control of Diverging Design Data”, German-Russian Symposium on Construction Informatics in Moscow/St. Petersburg, Sept. 2004, ISBN 5- 7264-0341-X (in Russian), Staatliche Bauuniversität Moskau, September 2005, pp. 489-496, Rusia.
[8] Scherer, R. J., Zsohar, M., Faschingbauer, G., “Numerical Computation of the Probability Density Function of Resonant Frequencies in Stochastic Layered Soil (in German)”, submitted to Journal of Bauingenieur, 2005, por publicar.
[9] Keller, M., Katranuschkov P., Menzel K., “Modelling collaborative processes for Virtual Organisations in the building industry”, ISBN 04 1535 938 4 "ECPPM 2004 - eWork and eBusiness in Architecture, Engineering and Construction", pp. 249-256, by Dikbas A. & Scherer R. J. (eds.), A.A. Balkema Publishers, Leiden, The Netherlands,
September 2004, Holanda.
[10] Eisfeld, M., "Assistance in Conceptual Design of Concrete Structures by a Description Logic Planner", PhD thesis, Dresden University of Technology, Department of Civil Engineering, November 2004 pp. 165, Alemania.
[11] Bretschneider, J., Scherer, R. J., “On the quality of time series simulated from multiwave evolutionary load models”. Proceedings of the EURODYN2002 Conference, Munich, Sept. pp. 2-5, 2002, Alemania.
[12] Powell, A., Mosquera, L., “Diseño y construcción de un velocímetro Laser Doppler para la medición de vibraciones mecánicas”, TECNIA, Vol. 15 No 2, pp. 77-82, 2005, Lima, Perú.
[13] Valera A., Eyzaguirre C., “Óptica Física”, Ed. Hozlo, 420, 1997 pp.116-117, Lima, Perú.
[14] Cawley, P., Adams, R. D., “The location of defects in structures from measurements of natural frecuencies", Journal of Srain Analysis 14(2) 1979, pp. 49-57, Inglaterra.
[15] Farrar, C. R., "Debling, S. W. and Vix, D.A.: Vibration based structural damage identification. Philosophical Transactions of the Royal Society of London". Series A-Mathematical Physics on the Engineering Sciences. Vol. 359, pp. 131 - 149, 2003, Inglaterra.
[16] Ortiz, A., "Estudio de vibraciones estructurales por métodos ópticos”, Tesis de Licenciatura / Fac. de Ciencias / UNI. En edición a presentarse en junio 2008.
[2] Wiegel, R. “Earthquake — Engineering”, Prentice Hall 1970, Inc. pp. 518, USA.
[3] Kulyabko, V., Davydov, I., “Random oscillations and comfort of structures”, 8th ASCE Specialty Conference on Probabilistic Mechanics and structural reliability PCM 2000 pp. 13: 235 - 246 - 314, USA.
[4] Ruscheweyh, H., “Full-scale measurements of wind-induced oscillations of chimneys Journal of Wind Engineering and Industrial Aerodynamics”, Vol 65, issues 1-3, Dec. 1996, pp. 55 — 62, Holanda.
[5] Douglas Hayes, lan Sparks, J., “Van Cranenbroeck TS 78 - Survey Control and Monitoring of Buildings - Core Wall Survey Control System for High Rise Buildings, October 8-13, 2006, Shaping the Change XXIII FIG Congress Munich, Germany.
[6] Cerovsek, T., Katranuschkow, P., “Active Process Model Supported Collaboration”, In: proceeding of cib-w78 2005 - 22nd Conference on Information Technology in Construction, Scherer R.J, P. Katranuschkov & S.-E. Schapke (ed.); CIB Publication, ISBN 3-86005-478-3, pp. 97-104, July 2005, Alemania.
[7] Scherer, R. J., Weise M., Katranuschkow, P., “A Cooperation Model for the Control of Diverging Design Data”, German-Russian Symposium on Construction Informatics in Moscow/St. Petersburg, Sept. 2004, ISBN 5- 7264-0341-X (in Russian), Staatliche Bauuniversität Moskau, September 2005, pp. 489-496, Rusia.
[8] Scherer, R. J., Zsohar, M., Faschingbauer, G., “Numerical Computation of the Probability Density Function of Resonant Frequencies in Stochastic Layered Soil (in German)”, submitted to Journal of Bauingenieur, 2005, por publicar.
[9] Keller, M., Katranuschkov P., Menzel K., “Modelling collaborative processes for Virtual Organisations in the building industry”, ISBN 04 1535 938 4 "ECPPM 2004 - eWork and eBusiness in Architecture, Engineering and Construction", pp. 249-256, by Dikbas A. & Scherer R. J. (eds.), A.A. Balkema Publishers, Leiden, The Netherlands,
September 2004, Holanda.
[10] Eisfeld, M., "Assistance in Conceptual Design of Concrete Structures by a Description Logic Planner", PhD thesis, Dresden University of Technology, Department of Civil Engineering, November 2004 pp. 165, Alemania.
[11] Bretschneider, J., Scherer, R. J., “On the quality of time series simulated from multiwave evolutionary load models”. Proceedings of the EURODYN2002 Conference, Munich, Sept. pp. 2-5, 2002, Alemania.
[12] Powell, A., Mosquera, L., “Diseño y construcción de un velocímetro Laser Doppler para la medición de vibraciones mecánicas”, TECNIA, Vol. 15 No 2, pp. 77-82, 2005, Lima, Perú.
[13] Valera A., Eyzaguirre C., “Óptica Física”, Ed. Hozlo, 420, 1997 pp.116-117, Lima, Perú.
[14] Cawley, P., Adams, R. D., “The location of defects in structures from measurements of natural frecuencies", Journal of Srain Analysis 14(2) 1979, pp. 49-57, Inglaterra.
[15] Farrar, C. R., "Debling, S. W. and Vix, D.A.: Vibration based structural damage identification. Philosophical Transactions of the Royal Society of London". Series A-Mathematical Physics on the Engineering Sciences. Vol. 359, pp. 131 - 149, 2003, Inglaterra.
[16] Ortiz, A., "Estudio de vibraciones estructurales por métodos ópticos”, Tesis de Licenciatura / Fac. de Ciencias / UNI. En edición a presentarse en junio 2008.
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Publicado
2007-12-01
Cómo citar
[1]
A. Valera y A. Ortiz, «Evaluación de vibraciones en estructuras usando un método óptico no convencional», TEC, vol. 17, n.º 2, pp. 47–54, dic. 2007.
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