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题图是天津市体院北居住区的早点店。你知道它的伞形折板屋盖是怎样盖起来的吗?它是先在地坪上整体预制平板,平板上预留放射缝(右上图);起吊时运用一种空间吊索滑轮系统,使带有预留放射缝的平板自然折迭拱起,就成为折迭式空间结构(右中、下图)。它既具有空间结构受力合理、用料经济的优点,又克服了空间结构施工复杂、模板耗用量大的缺点,施工简单,易于建造,构思甚为巧妙。这
The title map is an early store in the residential area of Tianjin Sports Academy. Do you know how its umbrella-shaped flap roof is covered? It is a prefabricated flat slab on the floor first, with a radial slit on the flat plate (above right); a space sling pulley system is used for lifting so that The slabs with reserved radial slits are naturally folded and arched to form a folded space structure (right middle and lower). It not only has the advantages of reasonable space structure and economical use of materials, but also overcomes the disadvantages of complex construction of space structure and large consumption of formwork. It is simple to construct, easy to construct, and cleverly conceived. This