Building structure, especially air raid shelter

Details Building structure, especially air raid shelter Building structure, especially air raid shelter

E - Fixed Constructions

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E04B 1/92 (2006.01) E04B 1/94 (2006.01) E04B 1/98 (2006.01) E04H 9/10 (2006.01)

Patent

CA 1195524

CANADIAN PATENT APPLICATION OF JAN-ERIK HARALD PAULSSON AND LARS-G?RAN FRANKLIN BLIXT FOR BUILDING STRUCTURE, ESPECIALLY AIR RAID SHELTER Abstract of the Disclosure: A building structure, especially an air raid shelter is formed from prefabricated tubular concrete elements and end wall elements, the tubular concrete elements being clamped between the end wall elements with the aid of prestressed prestressing means or ties. The tubu- lar concrete elements have at least one stiffening beam extending all around them and at least the interstices between successive stiffening beams are filled with in situ cast concrete reinforced by means of a crossbar, which in situ cast concrete encloses the prestressed pre- stressing means or ties. Two or more rows of tubular con- crete elements with end wall elements can be placed beside 1a each other to form a large building structure, especially an air raid shelter in which the stiffening beams on the adjoining tubular concrete elements engage each other in a comb-like manner and constitute columns. 1b

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