Abstract
The study of the membrane coating of large-span structures is carried out. Five stages of installation and operation of the coating are considered. The uneven snow pressure on the coating was calculated and applied to the finite element model of the structure. Based on the results, the authors also provide conclusions and summary about the considered structure. Two options of emergency cases have been investigated. The results showed that the support contour is a key element of the structure. The failure of any element, connection except of the support contour does not lead to plastic deformations in the coating.
Highlights
Исследовано два варианта аварийного воздействия на мембранное покрытие
The results showed that the support contour is a key element of the structure
The failure of any element, connection except of the support contour does not lead to plastic deformations in the coating
Summary
Рассмотрено пять стадий монтажа и эксплуатации покрытия. Учитывающего этапность возведения, сделан вывод о правильности принятых конструктивных решений большепролетного покрытия. Узлов, за исключением опорного контура, не приводит к пластическим деформациям в элементах покрытия. The uneven snow pressure on the coating was calculated and applied to the finite element model of the structure. The results showed that the support contour is a key element of the structure. The failure of any element, connection except of the support contour does not lead to plastic deformations in the coating. Сти определяется как свойство системы полностью или частично выполнять свое функциональное назначение при локальном отказе составляющих элементов конструктивной схемы [1]. Наиболее рациональный вариант покрытия — мембранное, совмещающее в себе главные достоинства оболочек: объединение несущей и ограждающей функций при низкой металлоемкости. Покрытие опирается на железобетонные колонны, связанные монолитными плитами со стальным опорным контуром
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