Influence of an arragement of an additional layer in threelayer barrier on her shock ressistance

The urgency of the present researches is caused by necessity of development effective shock resistance of protection of various objects and engineering of underwater, ground, air and space basing both civil, and military purpose. Use of structural - non-uniform designs as modern protection will allow essentially to reduce weight-dimensional characteristics, that, in turn has the important meaning for development of a number of industries, for example, space-rocket or air. In work the special case of a task about strengthening of a layered design is considered by addition of an additional ldquostrengtheningrdquo layer consisting of two thin plates of an identical diameter.