|
(11) | EP 0 033 619 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|||||||||||||||
(54) | Building unit, building structure or form structure for concrete formed therefrom, and methods of making such structures and concrete shells |
(57) A building unit (1) has a flat inner wall (5), convex outer wall (4) and side walls
(6) together defining a cavity space. The unit may comprise a vertical cavity wall
section (2) and an integral cavity roof section (3) disposed at an angle to the wall
section. A plurality of such building units (1) may be joined together to form a building
structure. The building units may also be used to provide a form structure for the
casting of an outer concrete shell (13) after which the form structure may be removed. |