台灣地震歷史經驗中，醫療與公共場所作為震後急救機關與救災場所，卻經常發生懸吊式水管系統、致使管線系統損壞、漏水，或消防撒水頭致使天花板損壞等情況，造成醫療與公共場所喪失救災功能、下方醫療設備及公共儀器遇水損壞，嚴重增加震後救災負擔、金錢與修復時間。故本研究針對裝載水系統之懸吊式管線系統，探討不同懸吊方式補強前後之系統識別、動態與靜態特性差異，並建立數值模型驗證懸吊系統模型準確度。
本研究旨在探討懸吊水管系統型式包含單桿消防撒水管線系統、共同吊架系統，以及裝有彈簧避震器之共同吊架，且上述三系統懸吊構件皆為實務常用之市售螺紋牙桿。依據｢行政院公共工程規範-吊架及支撐(15060)｣設計懸吊系統之懸吊長度及間距。另外參考美國NFPA13與IAST建議之補強方法，搭配使用同為台灣實務常見之角鋼、經UL認證之鋼索作為補強構件，進行振動台與靜力側推實驗。利用振動台實驗量測數據分析懸吊系統補強前後之頻率差異、地震歷時振動量；靜力側推探討系統初始勁度及破壞模式。最後將鋼索構件材料試驗結果作為數值模型基本設定參數，藉數值分析與實驗結果相比，確定建立之數值模型與實際懸吊系統相符，進一步提出鋼索補強構件使用建議。

This study investigates the seismic capacity of suspended fire sprinkler piping systems and suspended trapeze systems for life pipe in Taiwan. The spring hangers were also considered for the trapeze systems. Referring to the seismic code of NFPA13, ISAT, FEMA412, Construction Requirement in Taiwan. For on-site suspnsison design, rigidbracing would be not easy for different suspended systems with different suspension length. Seismic cable was used for suspended systems in this study, which was certified by UL. The retrofitting efficiency was verified by shaking table tests and static tests. With cable tension tests, the behavior was analyzed for piping and trapeze systems numerical model. By numerical analysis, a reality model setting with cable can be used for engineer. Also, tightening construction for cable, displacement control systems should be noticed with the peak acceleration reaction, and vibration displacement would be larger than the clearance requirements from NFPA13 are proposed in this research.

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