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STUDY OF THE TECHNOLOGY OF STRENGTHENING REINFORCED CONCRETE COLUMNS BY EXTERNAL REINFORCEMENT

INTRODUCTION In the process of inspecting buildings and constructions, the technical state of the building constructions and of the building as a whole is diagnosed. Further, this work must result in the conclusions on the state of the building constructions and sound recommendations on the technical maintenance of the object and the measures to restore operating properties of the building construction and the object as a whole 1 . Specialists from the State Enterprise “V.S. Balitsky Research Institute of Building Production” (SE “RIBP”) continuously conduct technical inspections of buildings and constructions of various categories of complexity. In case non-typical damages are detected, or typical solutions for repair and restoration works 2 cannot be used to solve a particular task, or there is a possibility to carry out repair and restoration works in a number of ways, the divisions of the SE “RIBP” apply a scientific and research approach to the solve the tasks at hand. In particular, if the Institute’s scientific divisions need to solve a design and technology task, they first conduct theoretical research, which includes the development of scientific research program, program modelling of the work of the construction or the whole building in real-life conditions, plotting dependences etc. Further, as needed, laboratory, iron bird (bed) and field tests with the modelling of the work of the repaired or restored construction or whole building in real-life conditions. If there is a possibility to conduct repair and restoration works in several ways, the Institute’s scientists research technical and economic parameters (value, duration and labor intensity of works, cost of the