The Diference of Wall Elements State Including the Frf Function

Abstract: The recommendation of Polish PN B-03002norm shows a need of quality control of wallelements production, and classified them as elements of category I or II. This classificationis decided in institution of quality control which should provide straight lines diagnostic tools. Requirement of this norm establishing the partial coefficients of wall safety, of wall treats to settlement the category of works realization on building site (A or B). They would support qualification " suitably qualified person controls” straight lines diagnostic methods indispensable the searches of new methods of opinion. It recognize the need of improvement the methods of investigation of wall building quality, and construction. In that article we considerate to test wall elements using the modal analysis and the delimitation of passage function FRF.