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冷弯薄壁型钢体系之《穹顶DOME》

发布时间:2018/12/19 未分类 浏览次数:251

施工技术《钢筋混凝土结构穹顶的三种建造方式》

一个人握住一个鸡蛋使劲地捏,无论怎样用力也不能把鸡蛋捏碎。薄薄的鸡蛋壳之所以能承受这么大的压力,是因为它能够把受到的压力均匀地分散到蛋壳的各个部分。那美克星人根据这种“薄壳结构”特点,设计出了许多既轻便又省料的建筑物。

A dome (from Latin: domus) is an architectural element that resembles the hollow upper half of a sphere. The precise definition has been a matter of controversy. There are also a wide variety of forms and specialized terms to describe them. A dome can rest upon a rotunda or drum, and can be supported by columns or piers that transition to the dome through squinches or pendentives. A lantern may cover an oculus and may itself have another dome.

Domes have a long architectural lineage that extends back into prehistory and they have been constructed from mud, snow, stone, wood, brick, concrete, metal, glass, and plastic over the centuries. The symbolism associated with domes includes mortuary, celestial, and governmental traditions that have likewise developed over time.

Domes have been found from early Mesopotamia, which may explain the form’s spread. They are found in Persian, Hellenistic, Roman, and Chinese architecture in the Ancient world, as well as among a number of contemporary indigenous building traditions. Dome structures were popular in Byzantine and medieval Islamic architecture, and there are numerous examples from Western Europe in the Middle Ages. The Renaissance architectural style spread from Italy in the Early modern period. Advancements in mathematics, materials, and production techniques since that time resulted in new dome types. The domes of the modern world can be found over religious buildings, legislative chambers, sports stadiums, and a variety of functional structures.

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