Key;
Laboratory;
of;
Traction;
Power,;
Southwest;
Jiaotong;
University,;
Chengdu;
610031,;
China;
of;
Civil;
Engineering,;
Central;
South;
University,;
Changsha;
410075,;
China;
Chair;
in;
Engineering,;
Rice;
University,;
Houston;
77005,;
USA;