Abstract
Presented study indicates the possibility of using complex estimators of vibrational energy flow used in quality testing of concrete blocks, as part of a dedicated research methodology and detailed methodologies developed in many previous studies by the author. Theoretical analysis and practical verification of the sensitivity testing measures of complex vibration processes indicate the wide possibilities of their applications. Recognizing the need to improve the testing methods of building structures for assessing their degradation status - this paper presents significant results of the research procedure in the field of effectiveness verification of proposed mutual measures in wall element bench tests.
Highlights
Identification in building constructions becomes a method of assessing changes in the structure operational state, and the modal analysis methods with related vibration estimators well reflects the wall elements destruction
Considerations of this work indicate that the properties of such modelled object elements can be analysed by describing them with differential equations or the same information can be obtained by measuring vibrations (a, v, x parameters of the vibration process) and on the basis procedure of determination vibration mutual measures [1,2,9]
Vibrations measurements along with their physical interpretation form the basis of the information obtained in the study of the destruction of selected building structures or their masonry components
Summary
Identification in building constructions becomes a method of assessing changes in the structure operational state, and the modal analysis methods with related vibration estimators well reflects the wall elements destruction. The methodology for degradation state testing includes detailed procedures for the development of a data acquisition system, their processing and statistical inference repeatable in many different issues of vibration signals testing. Considerations of this work indicate that the properties of such modelled object elements can be analysed by describing them with differential equations (solving the own problem) or the same information can be obtained by measuring vibrations (a, v, x parameters of the vibration process) and on the basis procedure of determination vibration mutual measures [1,2,9]. The detailed discussion of the vibration energy flow analysis and modal analysis methods indicates the development of software and measurement stations for the implementation of practically difficult measurement techniques in the non-dismantling assessment of entire building structures destruction status, or only in the research of structure elements, e.g. wall elements or segments. Described in a definition and from the practical application of the vibration process measure (due to the process of averaging during their determination called estimators) indicate a large range of activities necessary during the acquisition and processing of information, activities programmed during the computer development and presentation of measurement data
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