^pof;
Civil;
Engineering,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150090,;
China;
^pof;
Civil;
Engineering,;
Northeast;
Forestry;
University,;
Harbin;
150040,;
China;
^pof;
Engineering,;
Heilongjiang;
August;
First;
Land;
Reclamation;
University,;
Daqing;
163319,;
China;
