Pizza inclined tower (Italian: Torre Pendente Di Pisa or Torre Di Pisa, english: Leaning Tower Of Pisa) build in August 1173, it is the independent type belfry of cathedral of Italian pizza city, be located in Italy to hold Sikana in the palm to visit pizza town on the miraculous square in. (the picture comes from IC Photo)A group of dispersed religion on big lawn of miraculous square are built, they are the cathedral (build 1063, 13 centuries) , baptism hall (build 1153, 14 centuries) , belfry (namely pizza inclined tower) with grave garden (build 1174) , their outside metope all is ivory marble build by laying bricks or stones is become, become independent relatively severally but form unified Romanesque to build a style again. Pizza inclined tower is located in at the back of pizza cathedral. (the picture comes from IC Photo)Pizza inclined tower arrives from foundation cat head is 58.36 meters tall, arrive from the ground cat head is 55 meters tall, belfry wall body is in ground width is 4.09 meters, in cat head 2.48 meters wide, gross weight makes an appointment with 14453 tons, centre of gravity is in 22.6 meters in foundation upper part. Circular foundation area is 285 square metre, it is 497 1000 handkerchief to the average intensity of pressure of the ground. Banking angle spends 3.99 degrees, the edge outside deviate foundation 2.5 meters, top layer highlights 4.5 meters. Discovered first 1174 tilt. (the picture comes from IC Photo)Italian pizza inclined tower is built 1173, it then by well-known architect Nuo Pisanuo is chaired build. It is located in at the back of Romanesque cathedral on the right side of, it is the mark of pizza city. (the picture comes from IC Photo)In real work, the respect such as the housing materials of the whole history of inclined to pizza tower and tower, structure, geological, fountainhead undertakes a lot of concerned experts study adequately, use all sorts of advanced instrument equipment to have a test. (the picture comes from IC Photo)Pizza medieval history learns a Piluodi to teach research hind to think, the each stone brick that makes tower is beautiful of a stone carving article, the agglutinate between stone brick and stone brick is very clever, prevented tower effectively to tilt those who cause rupture, become inclined tower inclined and an element that does not fall. But he still emphasizes pointing out, urgent affairs is to make clear pizza inclined tower is inclined and the secret that does not fall. (the picture comes from IC Photo)Investigation of another some of investigator discovers tower of pizza inclined tower ever tilted eastwards for a time, change direction again thereafter south tilt, they think this tower is in likewise in the past hundred years a few inclined and do not fall, fall after 250 years with do not be afraid bureau be confined to assumes simply and cannot forecast. (the picture comes from IC Photo)Project Ceng Jian stopped very long time twice, all previous classics restricts 200 years of ability finishing. Its architect is Pi Sanuo of that Nuo · . (the picture comes from IC Photo)People ever thought belfry hereat meaning is become to tilt by the design for a time in the past, but the fact is not such. (the picture comes from IC Photo)Why can pizza inclined tower tilt, experts ever were this vexed. Be in especially 14 centuries, people wanders in two kinds of argument, pizza inclined tower is to build the area that cannot expect in the process and avoids to sink after all the result that accumulates effect, or architect is intended and do it. (the picture comes from IC Photo)Enter 20 centuries, as inclined to pizza tower more and more accurate measure, the in-depth survey that uses all sorts of advanced equipment to undertake to foundation earth layer, and the research to historical record, a few facts rise to surface gradually: Pizza inclined tower is in this answering in original design is perpendicular building, but building initial stage to begin deviate proper place. (the picture comes from IC Photo)Pizza inclined tower can tilt, because the characteristic of earthy layer is caused below its foundation,be. Pizza inclined tower lays the earthy layer that several different capable person pledge, of earth of all sorts of soft qualitative pink sedimentary form with very soft clay alternate with, and the place that arranging a meter greatly is groundwater layer. This conclusion reachs after having observation to component of foundation earth layer. Newest mining makes clear, belfry is built was in coastal brim of ancient time, because this is earthy,sink when build. (the picture comes from IC Photo)After the project 1838 ends, the acceleration of pizza inclined tower tilted to last a few years again, tend again next smooth, reduce about 0.1 centimeters to tilt every year, tower deviate " natural pose " already had 5 meters many. (the picture comes from IC Photo)Pizza inclined tower is a on building history main building without doubt. Before happening to tilt badly, what its bold rotunda design had shown it to common people is Promethean. (the picture comes from IC Photo)Italian government closes inclined tower at rising 1990, 25 million pound begins denounce endowment repair project, include consolidate foundation and smoke groundwater, prop up tower with steel cable. This rehabilitate is versed in Cheng was finished 2001, inclined tower already became straight immediately at that time nearly 38 centimeters. (the picture comes from IC Photo)