Abstract
Structural safety of buildings is such an engineering state of the structures operability, foundations, the features of their joint power resistance to expected loads and impacts, taking into account their possible combinations in direction, intensity and mode, which ensures the established functional use with established reliability. The structural safety of buildings depends on design, on compositional and structural solutions, technological measures during construction and operation, which must be provided at all stages of the facility’s existence (construction, operation, repair, reconstruction, dismantling and dismantling). It is necessary to take into account the structural safety parameters of reinforced concrete structures that have received corrosion damage during solving the problems of construction and reconstruction of buildings and structures. Suggestions to quantify the reserves and exposure of structural safety and, accordingly, the reduction in power resistance of corrosion-damaged reinforced concrete structures are presented in this article.
Highlights
The structural safety of buildings interests requires ensuring: geometric invariability of the structural scheme at all the stages of their existence, a stable stress-strain state and position in space and time of all supporting structures of the building, and survivability of statically indefinite systems
The assessment of structural safety is an obligatory stage of the decision-making procedure on the issues of continued operation or technological reorganization of production, reconstruction, etc
The existing regulated approach for solving structural safety problems is almost always limited to the equilibrium statement, and other analysis options are replaced by a set of so-called working condition coefficients and does not provide answers to questions of changes in power resistance related to energy dissipation during deformation and due to corrosion damage to structural materials due to aggressive action of the medium dy
Summary
The structural safety of buildings interests requires ensuring: geometric invariability of the structural scheme at all the stages of their existence (and during reconstruction and dismantling - with the additional connections help), a stable stress-strain state and position in space and time of all supporting structures of the building, and survivability of statically indefinite systems. The common thing is to ensure the strength and stability of individual load-bearing elements of the system and the so-called «redundant ties» despite the different purpose of these conditions [1-9]. The assessment of structural safety is an obligatory stage of the decision-making procedure on the issues of continued operation or technological reorganization of production, reconstruction, etc. (it is carried out only on the basis of a field examination) The assessment of structural safety is an obligatory stage of the decision-making procedure on the issues of continued operation or technological reorganization of production, reconstruction, etc. (it is carried out only on the basis of a field examination).
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