Abstract
The problems connected with the research of rational types of reinforced concrete shell roofs satisfying the demands of city-planning, functional, economic and technological requirements were under investigation during the last decades in TTU and MNIITEP. This paper suggests the use of composite suspended polygonal shells. The structures consist of the curvilinear plates and systems of radial two-level supporting elements. 5 and 12 angle structures were created for the investigations of stress-strain conditions of the complex roofs. The experiments were carried out on fiberglass plastic models and results assure the possibility to use such structures.
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