The Leaning Tower of Pisa, one of the world-famous architectural marvels of Italian heritage, needs continuous sur- veying to assess its stability. In this letter, remote-sensing equip- ment recently developed by the authors, based on the principle of microwave radar interferometry, has been experimented to measure the frequency response of the Tower without requiring any contact with its structure. Wind and human traffic were used as natural excitation sources, allowing the natural frequencies of the first vibration mode of the Tower to be measured in the north–south and in the west–east directions. Modal shapes of the Tower vibrations were also obtained from data acquired by the radar.

Remote survey of the Leaning Tower of Pisa by interferometric sensing / C. Atzeni; A. Bicci; D. Dei; M. Fratini; M. Pieraccini. - In: IEEE GEOSCIENCE AND REMOTE SENSING LETTERS. - ISSN 1545-598X. - STAMPA. - 7, No.1:(2010), pp. 185-189. [10.1109/LGRS.2009.2030903]

Remote survey of the Leaning Tower of Pisa by interferometric sensing

ATZENI, CARLO;DEI, DEVIS;FRATINI, MATTEO;PIERACCINI, MASSIMILIANO
2010

Abstract

The Leaning Tower of Pisa, one of the world-famous architectural marvels of Italian heritage, needs continuous sur- veying to assess its stability. In this letter, remote-sensing equip- ment recently developed by the authors, based on the principle of microwave radar interferometry, has been experimented to measure the frequency response of the Tower without requiring any contact with its structure. Wind and human traffic were used as natural excitation sources, allowing the natural frequencies of the first vibration mode of the Tower to be measured in the north–south and in the west–east directions. Modal shapes of the Tower vibrations were also obtained from data acquired by the radar.
2010
7, No.1
185
189
C. Atzeni; A. Bicci; D. Dei; M. Fratini; M. Pieraccini
File in questo prodotto:
File Dimensione Formato  
05290014.pdf

Accesso chiuso

Descrizione: articolo principale
Tipologia: Pdf editoriale (Version of record)
Licenza: Tutti i diritti riservati
Dimensione 431.35 kB
Formato Adobe PDF
431.35 kB Adobe PDF   Richiedi una copia

I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/364944
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 75
  • ???jsp.display-item.citation.isi??? 60
social impact