FIELD: construction.
SUBSTANCE: invention relates to operation and construction of buildings and structures and can be used to determine their physical state. Problem is solved by creating a finite-element mathematical model which relates material properties, spatial structure and elastic characteristics of the object, selection of control measurement points, boundary conditions at given force actions on object, determined by dynamic test methods, experimental measurements of characteristics of structural system of buildings and structures at given force effects on it and evaluation of its bearing capacity, selection of control measurement points is carried out in accordance with points of maximum stress, wherein structural elements are given theoretical rigidity of cross section, and theoretical value of pliability of structural system is calculated, then experimentally measuring pliability of the structural system using dynamic test methods, the value of which is supplemented with the finite-element mathematical model, and experimental stiffness of the cross-section of the structural system elements is calculated, and evaluation of carrying capacity of structural systems of buildings and structures is carried out by comparing theoretical and experimental stiffness of cross-section of structural system elements.
EFFECT: high accuracy of instrumental diagnosing of technical condition of erected and operated construction objects.
1 cl, 2 dwg
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Authors
Dates
2019-09-26—Published
2018-10-05—Filed