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1969年以来,折迭式预应力V形折板在我国用于工业与民用建筑日趋增多。它具有施工方便、节约模板、结构性能良好、造型轻巧、技术经济指标先进、适合工厂化生产等优点,但能否获得广泛使用,与屋盖的隔热保温、防水处理关系甚为密切,如果处理不当,则易引起人们对折板的非议。 V形折板是一种轻型薄板结构,用于屋盖,外露面积大,夏季的隔热、冬季的保温显得尤为重要,因地制宜采取相应措施,妥善处理,乃是十分必要的。
Since 1969, folding prestressed V-shaped flaps have been increasingly used in industrial and civil buildings in China. It has the advantages of convenient construction, saving of formwork, good structural performance, light weight, advanced technology and economic indicators, and suitable for industrial production. However, it can be widely used and has a close relationship with the thermal insulation and waterproof treatment of roofs. Improper handling can easily lead people to criticize the folded board. V-shaped folding plate is a kind of light thin plate structure. It is used for roofs. The exposed area is large. Insulation in the summer and insulation in winter are particularly important. It is necessary to take corresponding measures according to local conditions and properly handle them.