苏联苏呼米市新建一座装配整体式钢筋混凝土薄壳屋盖,它覆盖着新市场的中央大厅。薄壳平面尺寸为40×40米,表面呈球形,矢高7.6米。屋盖的主要部分在直径为40米的圆周内,由两圈装配式钢筋混凝土肋形板组成(图1、2)。肋形板翼板厚度分别为4厘米和5厘米。板肋高30厘米,配以单片钢筋骨架,板面配以单片钢筋网。中央天窗环直径6米,由辐射肋加强,采用现浇钢筋混凝土制作。 In the Soviet Union, the city of Sukhumi has built a new one-piece reinforced concrete shell cover that covers the central hall of the new market. The shell has a plane size of 40 x 40 meters, a spherical surface and a 7.6 meter height. The main part of the roof consists of two rings of prefabricated reinforced concrete ribbed panels in a circle with a diameter of 40 meters (figure 1, 2). The thickness of the ribbed wings is 4 cm and 5 cm, respectively. The ribs are 30 cm high, with a single steel reinforcement frame and a single sheet of steel mesh. The central sunroof ring is 6 meters in diameter, reinforced by radiation ribs and made of cast-in-place reinforced concrete.