Abstract
It is offered an algorithm for analysis and regulation of the stress-strain state of building constructions and soils of the foundations of structures at designing, building and exploitation, at setting of the mode of exploitation for providing of the required level of reliability, when tensions in them differ from calculation values. Possible options for secured or unsecured reliability are considered. The algorithm consists in determining the necessary decrease in the design stresses or increase the bearing capacity of structure. Offered algorithm is an estimation of necessary displacement of density of distribution of current tension or density of distribution of bearing strength for the achievement of the required level of reliability of the constructions and soil of base of the structure. Further research will be devoted to the consideration of case with unsecured reliability, for which it is necessary to assess the necessary displacement of the distribution density of the existing stresses or the distribution density of the bearing capacity to achieve the required level of reliability of the building constructions and soil of base of the structure.
Highlights
At designing, building and exploitation of different engineering building the normative levels of reliability are set [Н], the indicated objects must correspond that (Russian Standard: GOST R 53778-2010, GOST R 54257-2010, ISO 2394:2015)
The estimation of bearing strength of constructions and grounds of building is performed on the Building rules by the method of the marginal states in the determined raising, and the algorithm of analysis of their stress-strain state and his adjusting is absent from positions of providing of the required reliability [Н]
An algorithm for the analysis of the stress-strain state of soils of the foundations of structures and its regulation from the standpoint of ensuring the required reliability is proposed, which consists in determining the necessary decrease in the design stresses or increase the bearing capacity of the soil of the base
Summary
At designing, building and exploitation of different engineering building the normative levels of reliability are set [Н], the indicated objects must correspond that (Russian Standard: GOST R 53778-2010, GOST R 54257-2010, ISO 2394:2015). The estimation of bearing strength of constructions and grounds of building is performed on the Building rules by the method of the marginal states in the determined raising, and the algorithm of analysis of their stress-strain state and his adjusting is absent from positions of providing of the required reliability [Н]. At the estimation of reliability of actual stress-strain state Н the cases of Н are possible H>[Н] or Н
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