The reliability calculation of foundations under eccentric load in the operation phase | Zendy

V. S. Utkin | Zendy

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The reliability calculation of foundations under eccentric load in the operation phase

Author(s) -

V. S. Utkin

Publication year - 2013

Publication title -

magazine of civil engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 22

eISSN - 2071-4726

pISSN - 2071-0305

DOI - 10.5862/mce.40.8

Subject(s) - eccentric , reliability (semiconductor) , reliability engineering , phase (matter) , computer science , mathematics , structural engineering , engineering , physics , thermodynamics , quantum mechanics , power (physics)

The new method of the reliability calculation of buildings and structures’ earth foundations based on limited statistical information on controlled parameters in the operation stage is considered. The reliability is calculated by criterion of foundation deformations (settlement) in the presence of load eccentricity of the foundation and using possibility distribution functions for the description of fuzzy variables. New approach to the reliability calculation of a foundation bed is offered with describing eccentricity characteristic as random variable by the probability distribution law and properties of soil – by the possibility characteristic. The way for determination of eccentricity value of load on the foundation bed by measurement of deformations in the foundation material at the expense of unloading the part of the foundation on the area with resistance strain gages is considered. Reliability as the probability of failure-free operation of the foundation is characterized by the interval with minimum and maximum values

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