ABSTRACT
This chapter analyses the application of Structural Health Monitoring (SHM) techniques and methodologies to a historical and archaeological asset of international significance located in the Old City of Jerusalem: the Tower of David. With the purpose of evaluating the structural response of the building to static, dynamic and seismic loads, a SHM system was installed in 2013. The object of monitoring is to identify, locate and classify type and severity of damages induced by external actions or degradation phenomena and to assess their effects on the structural performance. In this way it is possible to take appropriate measures to reduce the danger of collapse and, when necessary, perform strengthening interventions to improve the structural and seismic capacity. Dynamic monitoring allows extracting the modal parameters of the structure in terms of natural frequencies, mode shapes and damping coefficients. It was possible to identify 7 fundamental modes in the frequency range between 3 Hz and 9 Hz.
