震陷土层变化下变截面单、群桩动力响应差异
冯忠居, 王伟, 张聪, 朱继新, 王逸然, 孟莹莹

Dynamic Response Difference of Single Pile and Pile Group with Variable Section in Variation of Seismic Subsidence Soil Layer
FENG Zhongju, WANG Wei, ZHANG Cong, ZHU Jixin, WANG Yiran, MENG Yingying
图5 桩基自振频率
Fig.5 Natural vibration frequency of pile foundation