The Leaning Tower of Pisa

Topics: Leaning Tower of Pisa, Pisa, Campanile Pages: 2 (769 words) Published: February 28, 2012
The Earth as we all know is created with many beautiful sceneries. In every corner of the world, there is something you could stare at and be in awe. Wonders of the world which may serve as an inspiration to a person. One is the Leaning Tower of Pisa, famous for its inclination. It is also said to be the testing ground for Galileo’s experiments on gravity.

The Tower of Pisa serves as the campanile or the freestanding bell tower of the Cathedral of the Italian city of Pisa. It is positioned behind the cathedral and is the third oldest structure in Pisa’s cathedral square after the Cathedral and the Baptistry. The tower is 183.27 ft from the low side and 186.02 ft from the high side. The width of the walls at the base is 4.09 m (13.42 ft) and at the top 2.48 m (8.14 ft). Its weight is estimated at 14,500 metric tons(16,000 short tons). The tower has 296 or 294 steps; the seventh floor has two fewer The tower has 296 or 294 steps; the seventh floor has two fewer steps on the north-facing staircase. Prior to restoration work performed between 1990 and 2001, the tower leaned at an angle of 5.5 degrees, but the tower now leans at about 3.99 degrees. This shows that the top of the tower is displaced horizontally 3.9 metres (12 ft 10 in) from where it would be if the structure were perfectly vertical.

The Tower of Pisa’s construction occured in three stages across 177 years. The construction started on August 8, 1173 with the white marble ground floor of the campanile. This was during a period of millitary success and prosperity. This ground floor is a blind arcade articulated by engaged columns with classical Corinthian capitals. As the construction progresses to the second floor, the tower started sinking due to a mere three-metre foundation, set in weak, unstable subsoil, a design that was flawed from the beginning. “Construction was subsequently halted for almost a century, because the Republic of Pisa was almost continually engaged in battles...
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