College;
of;
Civil;
and;
Architecture;
and;
Mechanics,Central;
South;
University;
of;
Forestry;
and;
Technology;
School;
of;
Civil;
and;
Architectural;
Engineering,Central;
South;
University;
creep; pre-stressed; concrete; continuous; rigid-frame; bridge; cantilever; casting; method; pre-camber;