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НЕЛИНЕЙНЫЙ РАСЧЕТ НАПРЯЖЕННО-ДЕФОРМИРОВАННОГОСОСТОЯНИЯ СООРУЖЕНИЙ ПРИ УЧЕТЕ ПОСЛЕДОВАТЕЛЬНОСТИ ВОЗВЕДЕНИЯ

НЕЛИНЕЙНЫЙ РАСЧЕТ НАПРЯЖЕННО-ДЕФОРМИРОВАННОГОСОСТОЯНИЯ СООРУЖЕНИЙ ПРИ УЧЕТЕ ПОСЛЕДОВАТЕЛЬНОСТИ ВОЗВЕДЕНИЯ

Abstract

The author describes the procedure to determine a stressed-deformed state of structures, which allows to simulate the sequence of their construction. The calculation is carried out by the method of fininte elements taking into account the physical nonlinearity of the material of the structure. Experimental dependence between the intensities of stresses and deformations of the material is approximated by the hyperbolic dependence. Its limit condition is expressed from the strength criteria (Tresca theory Saint-Venant, Mises, Mohr Coulomb, etc.). The author presents the calculation results.

Описана методика определения напряжённо-деформированного состояния сооружений, позволяющая моделировать последовательность их возведения. Расчёт ведётся МКЭ с учётом физической нелинейности материала сооружения. Опытная зависимость между интенсивностями напряжений и деформаций материала аппроксимирована гиперболической зависимостью. Её предельное состояние выражают из критериев прочности (теории Треска Сен-Венана, Мизеса, Мора Кулона и др.). Приведены результаты расчётов.

Keywords

НАПРЯЖЁННО-ДЕФОРМИРОВАННОЕ СОСТОЯНИЕ СООРУЖЕНИЯ, ДРОБНО-ЛИНЕЙНАЯ ЗАВИСИМОСТЬ, МЕТОД КОНЕЧНЫХ ЭЛЕМЕНТОВ, ДЕФОРМАЦИОННАЯ ТЕОРИЯ МАЛЫХ УПРУГОПЛАСТИЧЕСКИХ ДЕФОРМАЦИЙ, МЕТОД ПЕРЕМЕННЫХ ПАРАМЕТРОВ УПРУГОСТИ, МЕТОД ПОСЛЕДОВАТЕЛЬНЫХ НАГРУЖЕНИЙ, СХЕМА "МГНОВЕННОГО" ВОЗВЕДЕНИЯ СООРУЖЕНИЯ, УЧЁТ ПОСЛЕДОВАТЕЛЬНОСТИ ВОЗВЕДЕНИЯ СООРУЖЕНИЯ, LAYOUT OF 'INSTANTANEOUS' CONSTRUCTION OF BUILDINGS

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold