Ресурсосберегающие свайные колонны и плиты по нисходящей технологии

Автор: Шаленны Василий Тимофеевич

Журнал: Строительство уникальных зданий и сооружений @unistroy

Статья в выпуске: 6 (91), 2020 года.

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Обсуждены решения по ресурсосберегающей технологии возведения свайных колонн и железобетонных перекрытий многоэтажных подземных сооружений известным методом «сверху вниз». Показаны наблюдаемые недостатки и способы улучшения конструкции сваи-колонны для облегчения очистки ее верхней, колонной части. Для этого на опалубку труб предлагается монтировать съемную полимерную оболочку, в основном в виде трубы из винипласта, практически не имеющей сцепления с бетонной смесью при ее застывании. Дальнейшее совершенствование организационно-технологической схемы возведения монолитных железобетонных конструкций многоэтажной подземной части объектов гражданского назначения методом «сверху вниз» заключается в постановке и решении задачи устройства нескольких этажей в единой сборной опалубке. Проблема решается предложением переместить указанную опалубку без разборки с верхнего на следующий уровень ниже проектного. Моделирование технологии и организации работ на конкретном гражданском здании с развитой многоэтажной подземной частью - Парковка. В результате сравнительной оценки эффективности стоимость строительства подземной многоэтажной автостоянки по усовершенствованной технологии была снижена на 3,4%, а общая продолжительность работ сокращена на 3,6%. При этом не учитывался экономический эффект, связанный с сокращением сроков строительства объекта.

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Нисходящая технология, трубы-колонны, адгезия, подземные перекрытия, железобетонные перекрытия, опалубка, ресурсосбережение, технико-экономические показатели

Короткий адрес: https://readera.org/143172550

IDR: 143172550   |   DOI: 10.18720/CUBS.91.5

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