Abóbada e Cúpula
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a-bó-ba-da (substantivo feminino)
1. construção arqueada feita de concreto, pedras ou tijolos em forma de cunha, destinada a cobrir um espaço, apoiando-se sobre paredes, pilares ou colunas.
cú-pu-la (substantivo feminino)
1. parte interior e côncava de uma abóbada hemisférica ou esferóide.
É uma solução construtiva alternativa a sistemas convencionais de cobertura como lajes de concreto armado e telhados.
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Imagens: Casa Tu; Instituto Araticum