Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach
Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopt...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Busca, Giorgio [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2013 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of civil structural health monitoring - Berlin : Springer, 2011, 4(2013), 2 vom: 28. Nov., Seite 133-147 |
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| Übergeordnetes Werk: |
volume:4 ; year:2013 ; number:2 ; day:28 ; month:11 ; pages:133-147 |
| Links: |
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| DOI / URN: |
10.1007/s13349-013-0069-9 |
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SPR031421016 |
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| 520 | |a Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. | ||
| 650 | 4 | |a Operational modal analysis |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Experimental modal analysis |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Structural testing |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Structural dynamic |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Cigada, Alfredo |4 aut | |
| 700 | 1 | |a Mola, Elena |4 aut | |
| 700 | 1 | |a Mola, Franco |4 aut | |
| 700 | 1 | |a Vanali, Marcello |4 aut | |
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10.1007/s13349-013-0069-9 doi (DE-627)SPR031421016 (SPR)s13349-013-0069-9-e DE-627 ger DE-627 rakwb eng Busca, Giorgio verfasserin aut Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. Operational modal analysis (dpeaa)DE-He213 Experimental modal analysis (dpeaa)DE-He213 Structural testing (dpeaa)DE-He213 Structural dynamic (dpeaa)DE-He213 Cigada, Alfredo aut Mola, Elena aut Mola, Franco aut Vanali, Marcello aut Enthalten in Journal of civil structural health monitoring Berlin : Springer, 2011 4(2013), 2 vom: 28. Nov., Seite 133-147 (DE-627)645092878 (DE-600)2592302-X 2190-5479 nnns volume:4 year:2013 number:2 day:28 month:11 pages:133-147 https://dx.doi.org/10.1007/s13349-013-0069-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2013 2 28 11 133-147 |
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10.1007/s13349-013-0069-9 doi (DE-627)SPR031421016 (SPR)s13349-013-0069-9-e DE-627 ger DE-627 rakwb eng Busca, Giorgio verfasserin aut Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. Operational modal analysis (dpeaa)DE-He213 Experimental modal analysis (dpeaa)DE-He213 Structural testing (dpeaa)DE-He213 Structural dynamic (dpeaa)DE-He213 Cigada, Alfredo aut Mola, Elena aut Mola, Franco aut Vanali, Marcello aut Enthalten in Journal of civil structural health monitoring Berlin : Springer, 2011 4(2013), 2 vom: 28. Nov., Seite 133-147 (DE-627)645092878 (DE-600)2592302-X 2190-5479 nnns volume:4 year:2013 number:2 day:28 month:11 pages:133-147 https://dx.doi.org/10.1007/s13349-013-0069-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2013 2 28 11 133-147 |
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10.1007/s13349-013-0069-9 doi (DE-627)SPR031421016 (SPR)s13349-013-0069-9-e DE-627 ger DE-627 rakwb eng Busca, Giorgio verfasserin aut Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. Operational modal analysis (dpeaa)DE-He213 Experimental modal analysis (dpeaa)DE-He213 Structural testing (dpeaa)DE-He213 Structural dynamic (dpeaa)DE-He213 Cigada, Alfredo aut Mola, Elena aut Mola, Franco aut Vanali, Marcello aut Enthalten in Journal of civil structural health monitoring Berlin : Springer, 2011 4(2013), 2 vom: 28. Nov., Seite 133-147 (DE-627)645092878 (DE-600)2592302-X 2190-5479 nnns volume:4 year:2013 number:2 day:28 month:11 pages:133-147 https://dx.doi.org/10.1007/s13349-013-0069-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2013 2 28 11 133-147 |
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10.1007/s13349-013-0069-9 doi (DE-627)SPR031421016 (SPR)s13349-013-0069-9-e DE-627 ger DE-627 rakwb eng Busca, Giorgio verfasserin aut Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. Operational modal analysis (dpeaa)DE-He213 Experimental modal analysis (dpeaa)DE-He213 Structural testing (dpeaa)DE-He213 Structural dynamic (dpeaa)DE-He213 Cigada, Alfredo aut Mola, Elena aut Mola, Franco aut Vanali, Marcello aut Enthalten in Journal of civil structural health monitoring Berlin : Springer, 2011 4(2013), 2 vom: 28. Nov., Seite 133-147 (DE-627)645092878 (DE-600)2592302-X 2190-5479 nnns volume:4 year:2013 number:2 day:28 month:11 pages:133-147 https://dx.doi.org/10.1007/s13349-013-0069-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2013 2 28 11 133-147 |
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10.1007/s13349-013-0069-9 doi (DE-627)SPR031421016 (SPR)s13349-013-0069-9-e DE-627 ger DE-627 rakwb eng Busca, Giorgio verfasserin aut Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. Operational modal analysis (dpeaa)DE-He213 Experimental modal analysis (dpeaa)DE-He213 Structural testing (dpeaa)DE-He213 Structural dynamic (dpeaa)DE-He213 Cigada, Alfredo aut Mola, Elena aut Mola, Franco aut Vanali, Marcello aut Enthalten in Journal of civil structural health monitoring Berlin : Springer, 2011 4(2013), 2 vom: 28. Nov., Seite 133-147 (DE-627)645092878 (DE-600)2592302-X 2190-5479 nnns volume:4 year:2013 number:2 day:28 month:11 pages:133-147 https://dx.doi.org/10.1007/s13349-013-0069-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2013 2 28 11 133-147 |
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Busca, Giorgio @@aut@@ Cigada, Alfredo @@aut@@ Mola, Elena @@aut@@ Mola, Franco @@aut@@ Vanali, Marcello @@aut@@ |
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Busca, Giorgio |
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dynamic testing of a helicopter landing pad: comparison between operational and experimental approach |
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Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach |
| abstract |
Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. © Springer-Verlag Berlin Heidelberg 2013 |
| abstractGer |
Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. © Springer-Verlag Berlin Heidelberg 2013 |
| abstract_unstemmed |
Abstract The ‘Altra Sede’ Tower is one of the most recent buildings in Milan, but it has already become one of the strongest features of the city skyline. On 22 January 2010, an opening ceremony dedicated the skyscraper to the citizenship as the base of the ‘Regione Lombardia’ government. A helicopter landing surface was built for institutional use beside the main tower and the adjacent buildings. This paper deals with the dynamic testing of this surface, describing all the steps followed to identify the main vibration modes in the vertical and horizontal directions. Two different forcing systems are employed and the results from the forced response, experimental modal analysis are compared to the ones obtained via operational modal analysis, leaving the same sensors in place for a few days and continuously measuring the ambient vibrations. The obtained results describe the surface dynamic behavior in the range 0–10 Hz. All the resonant frequencies and the associated mode shapes are correctly identified. This modal parameter set is the reference to which future measurements should be compared, to perform a structural health-monitoring campaign on the surface. © Springer-Verlag Berlin Heidelberg 2013 |
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Dynamic testing of a helicopter landing pad: comparison between operational and experimental approach |
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https://dx.doi.org/10.1007/s13349-013-0069-9 |
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Cigada, Alfredo Mola, Elena Mola, Franco Vanali, Marcello |
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Cigada, Alfredo Mola, Elena Mola, Franco Vanali, Marcello |
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| doi_str |
10.1007/s13349-013-0069-9 |
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2024-07-03T23:38:21.238Z |
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