АНАЛИЗ НАДЕЖНОСТИ ОСНОВАНИЙ ПЛОТИН С ИСПОЛЬЗОВАНИЕМ ДАННЫХ МОНИТОРИНГА И МОДЕЛИРОВАНИЯ Reliability analysis of dam foundations treatment by coupling monitoring measurements and modeling

Nadia Smail, Bouchrit Rouissat, Hicham Charrak

Аннотация


Укрепление фундаментов с помощью инъекционных завес для регулирования параметров инфильтрации (скорости потока, порового давления, гидравлических уклонов и т.д.) используется для обеспечения общей безопасности и надежности плотин и должно надежно контролироваться. Рассматривается конкретный пример с плотиной Эль-Издихар на северо-западе Алжира, во время затопления которой
возникли серьёзные проблемы из-за поведения ее инъекционной завесы. Интерпретация данных мониторинга (пьезометрические уровни и поровое давление) наряду с моделированием плотины выявили происхождение и причину аномального поведения на уровне основания. Эмпирическая часть анализа позволила диагностировать состояние основания и предложить меры по обеспечению надежности и безопасности плотины. Результаты, представленные в статье, содержат опыт и технические рекомендации по укреплению и техническому обслуживанию оснований плотины.


Полный текст статьи публикуется в английской версии журнала
«Soil Mechanics and Foundation Engineering”, vol.61, No.6


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