The article describes the essence of the improved technology for the production of reinforcement works to reduce the labor intensity and resource intensity of monolithic reinforced concrete structures of foundations and floor slabs. The improvement consists in the development and patenting of a manual mechanized tool for knitting reinforcing nets and frames while providing a protective layer of concrete with the installation of fixators made of concrete or plastic. Subject of research: technological operations of knitting cruciform joints of reinforcing bars of grids of slab foundations and ceilings to reduce their labor intensity and severity, as a promising direction of saving labor resources and the cost of reinforced concrete works. Materials and methods: analysis of production experience, patent and literary sources, justification of the purpose and directions of improving the technology and organization of reinforcement work, development and patenting of an improved tool for knitting cruciform joints of grids for foundations and floors, description of the proposed technology for the production of reinforcement work. Results: proposed and presented the technology of binding reinforcing grids for monolithic reinforced concrete foundations and floors with an assessment of the expected socio-economic efficiency. Conclusions: the proposed improvement of the device for positioning reinforcing rods for their binding, which consists in using not a permanent, but an electric magnet with its power supply and disconnection unit, allows, on the one hand, as in the prototype, to provide the necessary positioning, and on the other, when the electromagnet is powered off, it is much easier to remove this device. Consequently, the stated positive effect of reducing the severity and complexity of the production of reinforcement work is achieved, as a poorly studied direction of reducing resource costs in the construction of monolithic reinforced concrete foundations and floor slabs.
resource intensity, labor intensity and severity, reinforcement work, binding, tool
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