Abstract
The paper substantiates the expediency of using widespread load-bearing racks, frame systems and beams for the construction of formwork monolithic floors of multi-storey civil construction in other types of construction work in prefabricated monolithic construction and reconstruction of civil facilities. Examples and descriptions of organizational and technological schemes for the construction of prefabricated monolithic frames with the use of inventory spatial frames and racks of adjustable length with glued wooden beams, mainly from well-known Doka and PERI companies, as supporting elements for the organization of alignment and temporary fixing of hollow floor slabs during their installation. Examples of the use of the same bearing elements of formwork systems in projects of reconstruction and liquidation of multi-storey civil facilities are presented. In these cases, they were intended to ensure the stability of the reconstructed parts of buildings during their separation and extraction according to the intended parts. For this purpose, the schemes of using diamond cutting technologies of reinforced concrete structures patented by the authors in reconstruction projects of civil buildings in the Crimea are shown. Subject of research: technological equipment for the production of construction, installation and reconstruction works to ensure their efficiency and safety using beams, frames and racks of inventory formwork systems of monolithic and prefabricated reinforced concrete floors. Materials and methods: analysis of the state of the issue according to literary and patent sources, justification of expediency and modeling of technology and organization of construction, installation and reconstruction works at specific civil facilities in Crimea, assessment of economic efficiency, industrial and environmental safety of the proposed innovations. Results: organizational and technological schemes for the installation of temporary supporting and regulating systems for the installation and dismantling of reinforced concrete floors made up of inventory elements of industrial formwork systems of both domestic and foreign origin are reasonably presented. The technological and economic efficiency, as well as the technical and environmental expediency of innovations for reasons of life safety are shown. Conclusions. The expediency of using elements of inventory formwork systems of monolithic floors to create temporary supporting structures from them during the installation and dismantling of reinforced concrete floors is shown. Examples of such applications are presented when installing ceilings of prefabricated monolithic frames of specific civil facilities, as well as diamond cutting of similar structures during their reconstruction or liquidation.
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