FIELD: construction.
SUBSTANCE: invention is aimed at creation of method for erection of monolithic pre-stressed multi-span covering of buildings and structures with minimum labor input due to possibility to use high-strength reinforcement, reduction of material consumption of structure at maintaining bearing capacity of covering. Technical result is achieved by the fact that in method, which includes formwork mounting, structural reinforcement laying, installation of embedded parts, concreting of covering, molding, laying of longitudinal working reinforcement and its tensioning on concrete, before concreting concrete into the formwork at a distance from the axis of support spans, equal to 1/3-1/4 of its length, insert parts are installed with mounted on them stops for fixing prestressed reinforcement, and after concreting and formwork of flooring, laying of longitudinal working reinforcement between embedded parts in span along lower surface of covering and in zone of supports along upper surface of overlap and performing longitudinal working reinforcement to thrusts of embedded parts, with subsequent fixation of voltage along upper and lower surfaces of covering in zones of maximum bending overlapping moments.
EFFECT: disclosed is a method of erecting monolithic multi-span overlapping.
3 cl, 6 dwg
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Authors
Dates
2019-12-25—Published
2019-03-05—Filed