FIELD: construction engineering; applicable in erection of multistory buildings, for instance, frameless buildings. SUBSTANCE: prefabricated reinforced-concrete ceiling is formed of two panels with lower surface reinforcement made in the form of flat steel sheet. Side adjoining faces of panels have broken surfaces. Anchor devices are welded to steel sheet in corners of panels joining. Surface reinforcement has locking device in the form of standing seam in place of panels joining over entire length of joining. EFFECT: increased quality of ceiling and reduced consumption of reinforcement. 4 dwg
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