ARCH STRUCTURE Russian patent published in 2017 - IPC E04B1/32 

FIELD: construction.

SUBSTANCE: arch structure includes foundation blocks, on which compound arch vaults in the form of curved reinforced concrete elements, connected at the top, rest. Each curved element comprises a foam concrete insert along the entire structure length, and one more foam concrete insert is made along the entire structure length at the point of their connection. The curved elements have a coating of high-strength sheet steel on the outer and inner sides up to inserts, wherein the lateral inserts of foam concrete are closed on both sides with metal plates, with one side tightly connected to the coating, and the upper insert of foam concrete is closed with metal plates, the lower of which is rigidly connected to the coating, and the upper plate is pulled to the lower plate by means of a tension bar.

EFFECT: increasing the structure reliability at earthquakes.

3 dwg