Key;
Laboratory;
of;
Ministry;
of;
Education;
for;
Geomechanics;
and;
Embankment;
Engineering,;
Hohai;
University;
Geotechnical;
Research;
Institute,;
Hohai;
University;
Jiangsu;
Provincial;
Communications;
Plan;
&;
Design;
Co.,;
Ltd;
Zhejiang;
Provincial;
Plan;
Design;
&;
Research;
Institute;
of;
Communications;
Y-shaped; vibro-pile; circular; pile; Mindlin; stress; solution; ultimate; bearing; capacity; of; pile; tip; static; loading; test;