Презентация по теме путешествия The Leaning Tower of Pisa

Leaning Tower of Pisa Спесивцев, Чирва 8В

The Leaning Tower of Pisa is the campanile, or freestanding bell tower, of the cathedral of the Italian city of Pisa, known worldwide for its intended tilt.

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It is situated behind the Cathedral and is the third oldest structure in Pisas Cathedral Square after the Cathedral and the Baptistery. The towers tilt began during construction, caused by an inadequate foundation on ground too soft on one side to properly support the structures weight. The tilt increased in the decades before the structure was completed, and gradually increased until the structure was stabilized (and the tilt partially corrected) by efforts in the late 20th and early 21st centuries.

The author of Bonanno Pisano. Construction of the tower was carried out in two stages, starting with the August 9, 1173, and with two long interruptions lasted almost 200 years, until 1360. The tower was built of white marble, first floor - arcature, each of the other floors is surrounded by a gallery. The outer part of each gallery is formed by pillars with classical capitals, resting on the closed arch. Previously we believed that the inclination of the tower was part of the project, but now this version is unlikely. The project of the tower was flawed from the outset - a combination of a small three-meter foundation, soft soil has led to the fact that after the construction of the third floor (1178), the tower leaned. Soil and strengthened in 1198

Galileos experiments According to the biography of Galileo, written by his disciple and secretary Vincenzo Viviani, Galileo in the presence of other teachers at the same time he dropped the different bodies with different masses from the Leaning Tower. The description of this famous experiment was included in many books, but in the XX century, a number of authors came to the conclusion that it is - a legend based, primarily, on the fact that Galileo himself did not claim in their books that held the public experiment. Some historians nevertheless inclined to think that this experiment really took place

In the city of Niles (a suburb of Chicago), Illinois, United States built a water tower in the form of an exact copy of the Leaning Tower of Pisa in half natural size. Interesting fact

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