1、Conservation and Consideration of the Leaning Tower of Pisa作者：作者：JSECTION1. Location and Structure2. Reason and Hazards 3. How to conserve the tower4. Conservation and Summary LOCATION & STRUCTURElocated in the Arno River Delta Hollow structure1.A symbol of the city Piza，even of ItalyCircular column
2、sArched doorThe top of the towers interiorTop stairTowers interiorThe reason is tower continual interaction with the soil on which it was built. 2. Reason and Hazards several layers of soils of different materialsvarious soft silt deposits and very soft claysin the depth of about one meter is the gr
3、oundwater layer.This conclusion is based on the observation of the soil composition of the soil obtained.The Leaning Tower of Pisa is a precious cultural heritage of the world. Once the collapse of the Leaning Tower of Pisa, not only cause casualties, but also the country and the world will cause im
4、measurable losses2. Reason and Hazards How to conserve the tower3http:/ it was too ugly for these pieces of lead to pile up beside the Leaning Tower, the people and artists offered a strong protest.They started to hollo-wed out the soil of the north foundation of tower.Finally, they successfully con
5、served the tower.4. Conservation and Summary another terrible example: Canadas Kang Barn Reasons for its collapse:Designing load goes beyond the groundworks shearing strength Failure of subgrade, but no obvious crevices on silo Effective measures: established more than 70 concrete piers to support t
6、he building under the foundation. 388 jacks were used to plumb the leaning silo. learn from experienceConsolidate subsoil at the early stage of construction.Dont overestimate the groundworks ability of bearing the weight.Dont cheating on workmanship and materials.Service the products at regular intervals after putting into use.Thank you
