conditions at the base. For the North wall a Young's modulus increase was expected, but in the strengthened condition the North wall had a higher Young's modulus, which might indicate that the wall was in better condition than the others. The others updating variables on average they increased three times the initial value.

The results indicate that the damage on the tower was severe on the central parts of the South, East and West fa├žades and at the upper part of the tower. These areas in the structure are the ones which suffer large mortar loss due to deterioration, meaning that the results can be acceptable. Finally, one can conclude that the strengthening works were efficient at re-establishing the tower safety.

Figure 4. Monitoring system: (a) and (b) sensors location; and (c) logger software.

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Renewable Energy Eco Friendly

Renewable Energy Eco Friendly

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable.

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