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The Leaning Tower of Pisa leans because it was built on a weak, silty alluvial soil from a former estuary.
Architects began building this most famous of medieval campaniles in 1173, but work stopped abruptly five years later when they first noticed a pronounced lean to the north.
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The Leaning Tower of Pisa is a marble bell tower at Pisa, Italy. Even though the tower has been leaning since it was under construction, it has stood for hundreds of years, despite the fact that it looks as if it might fall any minute. The ...
http://www.bigsiteofamazingfacts.com/why-does-the-leani...
Leaning Tower of Pisa - Wikipedia, the free encyclopedia
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The Leaning Tower of Pisa (Italian: ) or simply The Tower of Pisa ( La Torre di Pisa ) is the campanile, or freestanding bell tower, of the cathedral of the Italian city of Pisa. It is situated ...
en.wikipedia.org/wiki/Leaning_Tower_of_Pisa
The Great Buildings Question: Why Does The Leaning Tower Of Pisa Lean Over? The Tower at Pisa has been leaning since the early days of its construction. It had only reached a height of 10 metres when ... How Much Does The Leaning Tower Of Pisa Lean Over?how Many Meters Does It Lean Over?
www.blurtit.com/q297711.html
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After three of its eight stories were built it the leaning tower of pisa started to sink in into the ground. It leans at least one millimeter a year, since it was built in 1173, it now leans 14 feet out if line.
http://answers.ask.com/Arts/Architecture/why_does_the_l...
The Leaning Tower of Pisa is leaning because the ground it sits on is too soft to support the weight of the tower. ... Re: What is causing the leaning tower of Pisa to lean? Area: Engineering ; Posted By: Kevin Reed, Engineer, None, ; Date: Mon Sep 22 23:00:57 1997; Area of science: Engineering ; ID: 874876603.Eg...
www.madsci.org/posts/archives/dec97/875044666.Eg.r.html
Subject: What is causing the leaning tower of Pisa to lean? ... Date: Sun Sep 21 16:16:43 1997; Posted by Tamara Flora; Grade level: 4-6; School: Mission Avenue Elementary; City: Sacramento State/Province: CA; Country: USA; Area of science: Engineering ; ID: 874876603.Eg...
www.madsci.org/posts/archives/dec97/875044666.Eg.q.html
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The Leaning Tower of Pisa continues to lean because when they restored the building, they considered correcting the lean (which is caused by the tower sinking slowly and unevenly into the ground) they realized that it wouldn't be a signific...
http://answers.yahoo.com/question/index?qid=20080929082...
Address: Campo dei Miracoli - the "Field of Miracles", Pisa, Italia; Year cement injected into base, (blamed for lean acceleration): 1934 ; ... ; Italian Legislation regarding Restoration of the Leaning Tower; Leaning Tower Descripition posted by Hotel DiStefano, Pisa; Leaning Tower of Pisa Architecture by David Speiser;; ;
www.endex.com/gf/buildings/ltpisa/ltpinfo.htm www.endex.com/gf/buildings/ltpisa/ltpinfo.htm
John Burland stands before the soil-extracting device that recently gave the Leaning Tower the lean it had 30 years ago. ... As of June 1999, the Leaning Tower of Pisa leaned an inch less than it had at the beginning of the year. It may sound like a small step for the tower, but it's a giant leap for the Pisa Commission...
www.pbs.org/wgbh/nova/pisa/today.html www.pbs.org/wgbh/nova/pisa/today.html
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