УСОВЕРШЕНСТВОВАНИЕ МОДЕЛИ "СЕРОГО РАСПРЕДЕЛЕНИЯ" ДЛЯ ОЦЕНКИ ФАКТОРОВ, ВЛИЯЮЩИХ НА УСТОЙЧИВОСТЬ СКЛОНОВ Sensitivity analysis of factors affecting stability of cut and fill multistage slope based on improved grey incidence model

Shuaihua Ye, Anping Huang

Аннотация


Существует множество факторов, влияющих на устойчивость склонов, сформировавшихся в результате многоступенчатой подрезки и отсыпки естественного склона. Для оценки чувствительности этих факторов использован метод "серого распределения". В этом исследовании метод был усовершенствован. Для определения веса каждого влияющего фактора была применена теория степени векторного сходства. Основываясь на фактической инженерной истории формирования многоступенчатого склона, была проанализирована чувствительность факторов, влияющих на устойчивость в соответствии с улучшенной теорией анализа серого распределения. Результаты показали, что ширина разгрузочной платформы, сила сцепления и угол внутреннего трения наиболее чувствительны для устойчивости рассматриваемого склона. Высота ступени, ширина и высота склона значительно влияют на устойчивость, а удельный вес грунта, пиковое сейсмическое ускорение и угол наклона - в наименьшей степени.


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