Laboratory;
of;
Ministry;
of;
Education;
for;
Geomechanics;
and;
Embankment;
Engineering,;
Hohai;
University;
Research;
Institute,;
Hohai;
University;
Academy,;
Hohai;
University;
rigidity-drain; pile; anti-liquefaction; excess; pore; water; pressure; ratio; numerical; simulation;