Analysis of Unbonded Prestressed Concrete T-type Beam’s Dynamic Characteristics

Yingge Wang


Prestressed force’s impacts on simple T-type beam’s vibration such as vertical bending, horizontal bending, torsioning, etc., were researched in this paper. It also separately sets up beam element model basing on prestressed concrete equivalent load principle and solid element model taking slippage between prestressed reinforcing steel bar and concrete into account, and developed simulation analysis on two linear steel bar lay-outs & two curving ones. The computed results of different models & different steel bar lay-outs were analyzed and contrasted with each other, as produced simple T-type beam’s frequency influencing factors.

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