“…On the contrary, reusability and verification of protective characteristics, especially after exposure to hit or blast posed a problem. Structures that have been hit by the blast effects (pressure wave, projectile or fragments) should be assessed for their further use [5,7,8,9]. It is therefore necessary to assess whether the fortification structure is capable of withstanding additional actions, or it has already lost its protective function and it can no longer be used for forces protection.…”