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ЗАВИСИМОСТЬ ПАРАМЕТРОВ БОЛЬШИХ ПРОХОДЧЕСКИХ ЩИТОВ ОТ ХАРАКТЕРИСТИК ВМЕЩАЮЩИХ ПОРОД THE RELATIONSHIP BETWEEN GEOLOGICAL CHARACTERISTICS AND KEY PARAMETERS OF LARGE-DIAMETER EPB SHIELDS

Zhenyong Wang, Yusheng Jiang, Jin Wang, Linwei Dong, Bing Zhang, Yunchao Xiong

Аннотация


Для учета влияния инженерно!геологических характеристик грунта на основные параметры больших проходческих щитов с компенсацией давления горных пород (с пригрузкой) предложена модель, использующая обобщенный индекс, отражающий соотношение различных слоев грунта, который определяется с использованием аналитического метода иерархических оценок и метода взвешенных средних. Полученные результаты показывают хорошую корреляцию между кривыми изменения предложенного индекса характеристик и основными параметрами проходки. Кроме того, на основе матрицы коэффициентов корреляции предлагаются меры оптимизации параметров проходки в различных геологических условиях. Исследование может служить руководством для оптимизации конструкции проходческих щитов большого диаметра.


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Литература


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