АНАЛИЗ УСТОЙЧИВОСТИ НАСЫПНОГО ОТКОСА, УКРЕПЛЕННОГО ПРЕДВАРИТЕЛЬНО НАПРЯЖЕННЫМИ АНКЕРНЫМИ ПЛИТАМИ Stability Analysis of Fill Slope Strengthened by Frame Prestressed Anchor Plates Considering Backfilling-Strengthening Process

Jun Zhang, Shuaihua Ye

Аннотация


Статья посвящена расчетам устойчивости насыпных откосов, усиленных анкерными конструкциями в виде плит. Особое внимание уделяется анализу устойчивости для каждого этапа обратной засыпки и укрепления откосов в процессе устройства насыпи. Основным инструментом для расчета устойчивости является метод Бишопа, в котором отсеки имеют бесконечно малую ширину. Учет силового воздействия анкерных плит выполняется введением в расчетную схему дополнительных сил (силы на выдергивание этих конструкций), методика вычисления которых приводится со ссылкой на других авторов. Предложена модель расчета оптимальной длины анкерных плит, которая удовлетворяет требованиям к устойчивости процесса обратной засыпки – усиления откосов. Решение, полученное с использованием предложенной модели, удовлетворяет как общим требованиям к устойчивости откосов насыпи, усиленных предварительно напряженными анкерными плитами, так и требованиям к устойчивости процесса обратной засыпки-усиления откосов.


Полный текст статьи публикуется в английской версии журнала
«Soil Mechanics and Foundation Engineering”, vol.62, No.6


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