repair

The essential characteristics of the basic concepts of the categorical apparatus for the economic assessment of aviation equipment restoration

The article is devoted to the study of the essential characteristics and interrelationship of the main concepts of the categorical apparatus of the economic evaluation of the restoration of aviation equipment. Peculiarities of the approach of various authors to the definition of the concept of aircraft repair are analyzed. It has been established what types of repairs are used during the operation of aviation equipment. The economic advantages and disadvantages of using various types of repair for aviation equipment are determined.

Variants of strengthening of shells of reinforced concrete cooling towers depending on constructional features and actual technical condition

У статті наведені конструктивні рішення підсилення залізобетонних оболонок баштових градирень із застосуванням попередньо напружених та звичайних зовнішніх залізобетонних ребер або композитних матеріалів, які застосовані на реальних об’єктах України і Польщі.