PRECAST SHELLS MADE OF UNITS BENT
 DURING FORMING

Abstract

In construction, thin-walled reinforced
 concrete spatial structures are used both
 for unique roofs of large-span buildings and
 for mass buildings of the pavilion type and
 small architectural forms. The most serious
 obstacle to the widespread application of
 economical thin-walled reinforced concrete
 structures is the shortcomings of the technology
 used for the manufacture and installation
 of prefabricated shell elements. The
 method of bending just formed flat flexible
 plates to give them a curved shape is one
 of the most promising technological methods
 that allow you to abandon the use of
 expensive metal forms of complex curved
 outlines, significantly simplify all production
 processes.
 The article describes the experience of
 research and development of structural decisions
 for spatial structures of building roofs
 with the use of unified rhombic elements
 made by the method of bending a flat just
 formed sheet on a flexible formwork.