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Optimization of repair mortar used in masonry restoration

Deterioration of ancient masonry is a contemporary problem. The initial
 properties of the masonry material that determine its durability,
 deterioration and degree of preservation have led to the appearance of
 different approaches towards choosing the technology for restoring masonry.
 The success of any restoration is largely determined by its compatibility
 with the original materials used, which requires, as a rule, a complex and
 long process of selecting their composition. One of the main technological
 approaches in the science of restoration materials is to search for the
 optimal composition of the material within a given time limit. This paper
 presents an approach which uses a large number of variables within strict
 boundary conditions. The solution to this problem can be found in the field
 of mathematical modelling using experiment planning methods. The paper
 presents a method developed for mortar optimization which makes it possible
 to obtain the desired result within a relatively short period of time.