ЭКСПЕРИМЕНТАЛЬНОЕ И ТЕОРЕТИЧЕСКОЕ ИССЛЕДОВАНИЕ СОПРОТИВЛЕНИЯ КОНУСНОГО ПЕНЕТРОМЕТРА В ПЕСКЕ Experimental and theoretical study on size-dependent cone tip resistance in sand

Chao Han, Kai Zhang, Xufeng WANG, Yongfei ZHANG, Peizhi Zhuang

Аннотация


Исследуется зависимость сопротивления наконечников небольших конусных пенетрометров (диаметром 12, 6 и 3 мм) от размера путем проведения серии испытаний на проникновение миниатюрных конусов в образцы сухого кварцевого песка и использования теоретического решения для расширения полости, учитывающего влияние размера и нелокальных эффектов градиента деформации. Показано, что конусные пенетрометры меньшего размера обладают большим сопротивлением наконечника, этот эффект уменьшается с уменьшением относительной плотности песка. Предлагаемый метод хорошо описывает влияние размера на сопротивление конусного наконечника.

Полный текст статьи публикуется в английской версии журнала
«Soil Mechanics and Foundation Engineering”, vol.63, No.1


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