ECOLOGIYA I STROITELSTVO

scientific peer-reviewed journal

ISSN 2413-8452

Рус | Eng

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№ 1'2017

ECOLOGY

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Calculation of reliability of the reinforced concrete beam with the normal crack on the deflection at the operation stage

Utkin Vladimir Sergeyevich, Karpushova Christina Alekseevna

Federal state-funded educational institution of the higher education «Vologda state university», Vologda, Russia

Abstract:

The deflection of a steel concrete beam at an operation stage sharply increases in case of formation of a normal crack in the stretched zone of concrete and can lead to violation of its normal operation, and in certain cases warns about possible accident. In article the method of measurement and monitoring of a deflection of a beam, a method of calculation of reliability of a beam by criterion of a deflection is considered in case of limited statistical information on values of a deflection in timepoint of t, determination of a residual temporary resource of a beam by criterion of a deflection in case of the known extreme (standard) value of a deflection of a beam.

Keywords:

Reinforced concrete beam, normal crack, beam deflection, measurement of a deflection, monitoring of a deflection, reliability of a beam, limited information, residual resource.

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DOI: 10.35688/2413-8452-2017-01-001

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For citations: Utkin V.S., Karpushova K.A. Calculation of reliability of the reinforced concrete beam with the normal crack on the deflection at the operation stage // Ekologiya i stroitelstvo. 2017. № 1. Р. 4–9. doi: 10.35688/2413-8452-2017-01-001

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