Located in Florence, Italy, Pisa Leaning Tower is a popular tourist destination when tilted less than 4 degrees. The real reason made Italian famous Pisa leaning tower does not stand straight quite unexpectedly. Italy's famous Pisa tilt was built in 1173 and completed in 1372. This icon project was designed to make bell towers next to the house Pisa worship in Piazza del Miracoli Square (Square color) of Pisa City. Structure of the Pisa Tower Building Project is Bonanno Pisano and Gherardo Di Gherardo
. Initially, the construction process was convenient. However, after the team of architects and workers completed the third floor of the project, the Pisa Tower began to leaning to the north. According to the investigation results, the main cause made the Pisa tower tilted due to the address characteristics Ly in Pisa Street
For a long time, the city is known to have a soft ground due to the main component of mud, sand and clay. Because the Pisa Tower was built on a soft ground, this project began to be tilted while executing. Another reason for Pisa tower was tilted by the architects designed and executed the tower in not enough hard and deep enough. They built a deep nail about 3m to support the whole weight of the project about 14,500 tons.Hai factor contributed to making Pisa towers unstable. To troubleshooting, experts built pillars and dome on the tilt side to continue to build on the fourth floor. When Pisa city occurred with other cities, the tower was postponed Construction for about 100 years. By 1272, the construction was taken back. After the next 3 floors of the PISA Tower was completed, the project was tilted in the opposite direction. In 1372, the 8th floor of the tower was completed
Head, Pisa Tower tilt 0.2 degrees. Through many centuries that exist, the tilt of the project increased to 5.5 degrees in 1990. The plane difference between the peak of the tower and the tower was 4.6m. To stabilize the Pisa tower, authorities and experts have made a number of restoration and repair projects. In particular, the project implemented in 2008 was most well known by many people. This is the first time the tower stops tilting. Experts estimate the PISA tower will stand firm and stable for at least 200 years. During that time, experts will continue to search for options to help this work "stand straight" and school survival with the time. The readers watch videos: styles wearing masks in the hot season in Italy. Source: VTV24.gam (According to Discovermagazine) . Dịch vụ:
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