Segmentno sfericheskiy fundament

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Oleg Gorbunov

Сегментно-сферический фундамент для крупногабаритных резервуаров,объемами от 20 000м3 до 100 000м3

Наблюдаемый в последние десятилетия интенсивный рост
добычи нефти приводит к увеличению габаритных размеров
резервуаров
РВС 100 000

Доминирующей причиной аварий являются неравномерные
осадки и местные просадки грунтового основания
Наименование доминирующих причин
аварий резервуаров
Частота
события
Процент повторения
Недопустимо большие и неравномерные
осадки грунтового основания
99 ≥46%
Наличие концентраторов напряжений в
несущих и ограждающих конструкциях РВС
из-за несовершенства конструкции
резервуаров и технологий их возведения
45 ≥21%
Наличие низкочастотной вибрации и
неравномерного загружения плавающих
крыш снеговой нагрузкой с неоднородным
трением в затворах, приводящих к
заклиниванию и обрушению крыш с
последующим их разрушением и
затоплением.
38 ≥18%
Наличие дефектов в материале и
конструкции РВС из-за несоответствия
используемого материала
сертификационным требованиям
19 ≥9%
Нарушение технологии изготовления и
возведения РВС
10 ≥5%
Грубые ошибки в аналитических расчетах и
проектировании РВС
2 ≥1%
«Неоднородные грунтовые основания и их влияния на работу вертикальных стальных резервуаров»
А.С. Горелов 2009 г.

Устранение неравномерной осадки основания
Существующие методы устранения весьма затратны влияют на РВС

Для примера построения предложенной конструкции днища был
выбран резервуар объемом 100000 м3
Предполагается использование конструкции
каннелюрного типа

Процесс построения
Пересечение системы 3-х сфер, состоящей из 2-х сфер одного ряда
и одной сферы последующего дают свайную опору

Предлагаемая конструкция фундамента позволяет перераспределить
нагрузки в различных направлениях. При нагрузке на фундамент,
сегменты сферы будут сжиматься за счет распора.

Конструкция сегментно-сферического фундамента

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Segmentno sfericheskiy fundament

1. Сегментно-сферический фундамент

2. Наблюдаемый в последние десятилетия интенсивный рост добычи нефти приводит к увеличению габаритных размеров резервуаров РВС 100 000

3. Доминирующей причиной аварий являются неравномерные осадки и местные просадки грунтового основания Наименование доминирующих причин аварий резервуаров Частота события Процент повторения Недопустимо большие и неравномерные осадки грунтового основания 99 ≥46% Наличие концентраторов напряжений в несущих и ограждающих конструкциях РВС из-за несовершенства конструкции резервуаров и технологий их возведения 45 ≥21% Наличие низкочастотной вибрации и неравномерного загружения плавающих крыш снеговой нагрузкой с неоднородным трением в затворах, приводящих к заклиниванию и обрушению крыш с последующим их разрушением и затоплением. 38 ≥18% Наличие дефектов в материале и конструкции РВС из-за несоответствия используемого материала сертификационным требованиям 19 ≥9% Нарушение технологии изготовления и возведения РВС 10 ≥5% Грубые ошибки в аналитических расчетах и проектировании РВС 2 ≥1% «Неоднородные грунтовые основания и их влияния на работу вертикальных стальных резервуаров» А.С. Горелов 2009 г.

4. Устранение неравномерной осадки основания Существующие методы устранения весьма затратны влияют на РВС

5. Для примера построения предложенной конструкции днища был выбран резервуар объемом 100000 м3 Предполагается использование конструкции каннелюрного типа

6. Процесс построения Пересечение системы 3-х сфер, состоящей из 2-х сфер одного ряда и одной сферы последующего дают свайную опору

7. Предлагаемая конструкция фундамента позволяет перераспределить нагрузки в различных направлениях. При нагрузке на фундамент, сегменты сферы будут сжиматься за счет распора.

8. Распределение нагрузок

9. Конструкция сегментно-сферического фундамента

11. Спасибо за внимание!

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Segmentno sfericheskiy fundament

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