“…In addition, the use of each of the methods of NT to solve problems of diagnosing the state of structures has its price. For example, solving the problem of monitoring the state of the structure, as was done in [12], by standardized methods [3,5] will be quite more expensive. Therefore, in order to adequately determine the properties of concrete structure and its technical condition, it is necessary to formalize the scope of application of NT methods, taking into account the disadvantages and advantages of each of them.…”