Leaning Tower of Pisa

nai-upload ni: Jon

noong October 23, 2009

Imahe

Mapa

Mga View:	29114
Mga Download:	2609

Isaayos

19 mga pag-ranggo

Tingnan ang mga rating at review
Iranggo ang modelong ito

Tingnan ang Placemark ng Lokasyon sa Google Earth

This model is an accurate representation of the Leaning Tower of Pisa. It is dimensionally accurate, with the famous 3.99 deg lean, distortion of the upper floors and a representation of the 7 bells installed in the Bell Chamber. Constructed as a freestanding bell tower, it is the third oldest structure in Pisa's Piazza del Duomo after the Cathedral and the Baptistry. The tower's lean (originally to the southeast) developed soon after the start of construction in 1173, due to an inadequate foundation and loose sub-soil conditions. However, the project was interrupted several times by conflicts with Pisa's neighbouring City-States, resulting in a very long construction period of over 177 years. As successive floors were added, attempts were made to compensate for the lean, eventually causing it to change direction! As a result, the tower is slightly curved. This distortion is most noticeable with the upper floors and the bell chamber structure. Restoration efforts from 1990-2001 became necessary as the tower's lean had increased to over 5.5 degrees, raising concerns that it might topple. The tower has now been restored to its 1838 lean of just under 4 degrees, and is said to be stable for at least the next 200 years.

http://en.wikipedia.org/wiki/Leaning_Tower_of_Pisa

Isumbong ang isang paglabag sa patakaran

Mga koleksyong naglalaman ng model na ito

Nauugnay na mga item

Dagdag pang mga modelo ni/ng Jon:

Iba pang mga modelo na maaaring iyong gusto:

Pagiging kumplikado ng modelo Ano ito?

Simple

I-moderate

Kumplikado

Mga tag

Monuments, Towers, leaning Towers, Tower of Pisa, Torre pendente di Pisa