Isn’t the tilt artificial? The origin of the name Leaning Tower of Pisa
Becoming a major attraction due to architectural mistakes, the Leaning Tower of Pisa is also a blessing in disguise, a beautiful piece of Romanesque architecture. The Leaning Tower of Pisa is a figure that cannot be underestimated among world-famous buildings and is full of legend. In this issue, let’s learn about the origin of the name of the Leaning Tower of Pisa.
The Leaning Tower of Pisa is 58.36 meters high from the foundation to the top of the tower and 55 meters high from the ground to the top of the tower. The width of the bell tower wall is 4.09 meters on the ground and 2.48 meters wide at the top of the tower. The total weight is about 14,453 tons, the center of gravity is 22.6 meters above the foundation. The circular foundation area is 285 square meters, and the average pressure on the ground is 497 kPa. The tilt angle is 3.99 degrees, 2.5 meters away from the outer edge of the foundation, and the top floor protrudes 4.5 meters. Tilt was first discovered in 1174. To sum up in a simple sentence, because the tower is tilted, it is called the Leaning Tower.
The marble tower in Pisa, Italy, is a strange tower that tilts to one side. In addition, Galileo once conducted experiments in this tower and discovered the law of free fall, so it is famous all over the world. Why is there this tower? Tracing back to its origins, construction of the Leaning Tower of Pisa began on August 9, 1174. Its tilt was caused by negligence in the construction. When the tower was started to be built, it was also straight upward, but when it was built on the third floor, the structure tilted; The main reason is that the architect did not know much about the geological structure and the strength of the soil layer was very poor. The tower body made of marble was heavy and high, and the foundation was only 3 meters deep, which caused the tower body to sink unevenly.
As a result, the project was forced to stop. More than 170 years later, construction continued. To prevent tilting, try to shift the center of gravity of the tower. However, due to the fact that the bottom three floors of the tower are tilted, after the completion of the entire tower, the center of the tower's top still deviated from the vertical centerline by 2.1 meters, and as time went by, the tower continued to tilt. It was determined that from 1829 to 1910, the average annual tilt was 3.8 mm. Some people once estimated that it would collapse around 1965. Since 1978, it has almost stopped tilting again.
The Leaning Tower of Pisa was built in August 1173. It is an independent bell tower of the Cathedral of Pisa, Italy. It is located in the Piazza Miracles north of Pisa, Tuscany, Italy. There are a group of religious buildings scattered on the large lawn of the Piazza dei Miracoli. They are the cathedral (built from 1063 to the 13th century), the baptistery (built from 1153 to the 14th century), the bell tower (the Leaning Tower of Pisa) and the cemetery ( Built in 1174), their exterior walls are all made of milky white marble. They are relatively independent but form a unified Romanesque architectural style. The Leaning Tower of Pisa is located behind Pisa Cathedral.
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