In the conditions of combat operations in Ukraine, the issue of constructing military engineering, technical, and fortification structures has acquired great, and sometimes decisive, importance.
The calculations carried out during the installation and breaching of engineering obstacles are described in detail in [2, p. 42].
One of the elements of the engineering obstacles system, intended to restrain and restrict enemy movement and inflict losses on the enemy, are non-explosive obstacles.
Non-explosive obstacles are barriers constructed from various local materials and industrially manufactured structures, as well as by creating ditches, escarps, and other obstacles.
According to [1, p. 6], the system of non-explosive engineering obstacles includes low-visibility obstacles, anti-tank ditches, a barrier line of the “Yegoza” type, and PZ-1 obstacle pyramids connected by a steel cable.
Combinated support units are assigned to carry out tasks related to the installation of non-explosive engineering obstacles.
For the high-quality and effective execution of assigned tasks, it is necessary to clearly determine the composition of the forces and means of combinated support units (next - CSU) depending on the scope and conditions of tasks.
The purpose of the work is to build a method for assessing the effectiveness of the relevant consolidated support units to ensure effective planning of the work execution process.
To perform the tasks of the CSU at a specific facility, the types of work are determined and indexed as  where n is the number of work types.
For example, when constructing non-explosive engineering obstacles, the following main types of work are defined: installation of a low-visibility obstacle; installation of a barrier line of the “Yegoza” type; installation of PZ-1 barrier pyramids; digging anti-tank ditches; installation of cables in PZ-1 rows; felling of trees.
Before assigning the composition of the composite unit, the initial data consist of vectors whose components are the volumes of the corresponding types of work, the time allocated for their execution, and the conditions under which the work is performed.
In this paper, it is proposed to assume that the conditional productivity (per person per shift) for a specific type of work depends on the basic productivity for this type of work, the duration of the shift, weather conditions, the degree of enemy influence, natural obstacles along the work route (including forests, bushes, and cultivated fields), as well as the type of soil.
The above conditions are taken into account using the appropriate coefficients, the values of which are adopted from the experience of performing tasks.
To assess the effectiveness of the combinated support unit, analytical dependencies were developed: the growth function of the required planned volume of each type of work depending on the day number k, the function of the estimated volume of each type of work as of day k*, and the function of the total actual completed volume of each type of work as of day k*.
A dynamic norm was introduced for consideration, characterizing the total variable productivity that must be ensured in order to complete each type of task within the specified time frame Tі, taking into account the actual volume of completed work of each type as of day k*.
For a qualitative analysis of the current status of the task and effective planning of further actions, analytical and graphical dependencies of the planned weighted average percentage of completion of all n types of work as of day k, the functions of the estimated and actual weighted average percentage of completion of all n types of work as of day k, the function of the weighted planned percentage of completion of all n types of work as of day k, and the function of the weighted actual percentage of completion of all n types of work as of day k were constructed.
Thus, the proposed method for assessing the effectiveness of consolidated support units enables the commander to objectively analyze and assess the current capabilities of the entire unit across all types of work, monitor their progress in real time, and make timely and effective managerial decisions to improve and enhancing the quality of work performed by subordinate personnel. It also allows for the rational allocation of forces and resources among different types of work by establishing appropriate priorities.
In addition, the proposed method makes it possible to form an approximate composition of support units to perform specific volumes of tasks within the specified time, taking into account the terrain and conditions of the work, as well as the range of equipment involved.
References:
1. Metodychni rekomendatsii shchodo ulashtuvannia inzhenernykh zahorodzhen na oboronnykh rubezhakh (za dosvidom rosiisko-ukrainskoi viiny 2024–2026 rokiv) – PVP 11-24 (439). (2026). Kyiv. (in Ukrainian)
2. Operatyvni rozrakhunky zavdan inzhenernoho zabezpechennia (metodyky ta pryklady): navchalno-metodychnyi posibnyk / kolektyv avtoriv. (2016). Kyiv: NUOU. (in Ukrainian)
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