預鑄預力式結構乃利用後拉式預力將預鑄桿件組裝而成，此類構造物於地震發生過程中，經由各接合處產生變形及預力鋼棒之拉伸，使結構物有良好之抗震能力。另於地震過後構件接合處也因預力鋼棒之作用使結構自行復位，減少地震過後所產生的殘餘變位。
本研究針對應用橡膠消能裝置於柱基礎之單層兩跨之預鑄預力式構架進行實尺寸反覆載重實驗，以了解此消能機制應用於預力式結構之可行性。研究結果顯示，預力接合系統各柱於構架中的傳力機制與在單柱的行為類似。另加入橡膠消能元件後，構架整體勁度將有所提升，並且具有適當的消能效果，對於系統自我回復之能力亦有所助益，試體經過多次試驗後，各構件亦無顯著破壞。上述結果顯示此設計在預力式結構設計上，具應用潛力。

Post-tensioned precast structural systems possess high construction efficiency, self-centering characteristics to reduce residual deformation, and energy dissipating mechanism when adequately designed, thus are effective structural forms for earthquake-resistant designs. This study is focused on the evaluation of seismic performance of post-tensioned precast systems. A series tests on the two-bay, one-story frame subjected to cyclic loading were conducted. The test frame was composed of precast reinforced concrete columns and steel wide-flange beams. Three sets of rubber pads were adopted in the column to base connections to absorb energy.
Test results showed that the behavior of the column to base connections in the frame structure was similar to that of a single column test. No residual deformation was exhibited when the structure was subjected to a number of cyclic loading tests. Structural stiffness was increased when the rubber pads were used. Adequate energy dissipation was also observed when the rubber pads were adopted in the column to base connections which justified its applicability to the seismic design of post-tensioned precast structures.

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