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双曲抛物面扭壳的两簇正交母线均为直线,其曲面是由直线移动构成的,在几何学上属于负高斯曲率壳体。扭壳施工时,模板制作和钢筋配置比较简便;单块扭壳可以结合成多种组合型扭壳,能较灵活地适应建筑功能和造型的需要;扭壳屋盖在建筑音响方面,比正高斯曲率壳体(如球壳、双曲扁壳等)优越,不必专作声学处理。由于具有上述特点,扭壳成为建筑中常用的壳型之一。我国近年
The two orthogonal busbars of the hyperbolic paraboloid twist shell are all straight lines. The curved surface is composed of straight lines and is geometrically a negative Gaussian curvature shell. Twisted shell construction, template production and rebar configuration is relatively simple; single twisted shell can be combined into a variety of combination type twisted shell, can be more flexible to adapt to the needs of building functions and modeling; twist shell roof in the building audio, than the positive Gaussian curvature shells (such as spherical shells, hyperbolic flat shells, etc.) are superior and do not require special acoustic treatment. Due to the above characteristics, the twisted shell becomes one of the shell types commonly used in construction. China in recent years