Key;
Laboratory;
of;
Ministry;
of;
Education;
for;
Geomechanics;
and;
Embankment;
Engineering,;
Hohai;
University;
Geotechnical;
Research;
Institute,;
Hohai;
University;
Zhejiang;
Zhebei;
Expressway;
Manage;
Co.,;
LTD;
Zhejiang;
Communications;
Survey;
&;
Design;
Co.,;
Ltd;
plastic; tube; cast-in-place; concrete; pile; soft; ground; improvement; pile-supported; type; reinforced; embankment; construction; equipment; construction; workmanship;