Abstract
In this paper, the dynamic properties of the distributed and unbonded prestress system was analyzed by giving the following prestress. One end of the bar-type element was fixed and the unit-tensile-prestress was given from the other end. Then another element was attached to the first one's end and the unit-tensile-prestress to the complex was given from its end. This process was repeated until it became the prescribed size. The system was analyzed and the equations of the prestress distribution was formulated. The result of the analysis shows that the prestress accumulates and the direct tightening load decreases when the constant distributed and unbonded prestress is given. Also the experiments were carried out to verify the equations.
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