Department;
of;
Civil;
Engineering;
Tsinghua;
University;
Beijing;
100084;
China;
School;
of;
Civil;
and;
Architectural;
Engineering;
Central;
South;
University;
Changsha;
410075;
China;
非线性弹性地基; 振动分析; 梁振动; 横向剪切变形; 基本频率; 转动惯量; 地基参数; 弱形式;