The aim of this paper is to analyse kinematically the rigid tilt of the Pisa Tower foundation plane in the period 1993–1994, when a counterweight was displaced on the North side of the basement. The kinematics is studied using a kinematic levelling approach. In the first four paragraphes the kinematic levelling method and the counterweight application history are briefly described; moreover the results obtained are briefly analysed with some closing remarks.The eight benchmarks under study are hanged to the Tower inside walls and can give a good idea of the Tower basement deformation trend. The levelling measurements have been made daily since 14/06/1993 and this fact allows to use these informations as a valuable way to check the reliability of the electronic instruments that observe continuously the Tower behaviour.
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- The Leaning Tower of Pisa: Kinematic Levelling of the Foundation Plane in the Period 1993–1994
- Springer Vienna
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