What they thought would fix the problem was to curve one side of the structure like a banana. A century later, construction recommenced and they add three more arcaded stories to the tower. Attempted RestorationsĪt his point, you’d think the Pisan authorities might has re-assessed going ahead with the project. At only the height of the third ring, the structure had already sunk 40 centimeters into the ground. The soil on the south side was even more spongy and compressible. The second mistake they made was to load too much weight onto too little surface area.Īs they were building, the tower started leaning south.
It wasn’t deep enough to support the tremendous weight of the tower. First, the tower was erroneously built on a shallow and insufficient foundation, a base of three meters of dry masonry. When they started building, the medieval architects made two mistakes. Since then, architectural experts have come closer to destroying it than saving it. The world’s best known faulty tower starting slanting south immediately thereafter.
The foundation stone for the leaning tower was laid in 1173.
The Leaning Tower of Pisa and the Statue of Angels
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