FIELD: construction engineering; applicable in erection of multistory buildings, for instance, with cage construction. SUBSTANCE: reinforced-concrete cross-bar is reinforced with lower and upper working reinforcement manufactured by traditional technology. Upper reinforcement of compressed zone is used in the form of tube filled with fluid. Tube is connected with hollow lenticular pads, located in cross-bar supporting parts as intermediate vertical tubes. EFFECT: savings in compressive reinforcement in manufacture of reinforced-concrete cross-bars. 2 dwg
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