| 英文摘要 |
A suspended fire sprinkler system is a key nonstructural component in buildings and its damage during earthquakes can have major impacts on both fire safety and building functionality. This is especially critical in buildings of significant importance, such as hospitals, where immediate post-earthquake functionality is paramount. However, observations of past earthquakes have highlighted that even minor damage to fire sprinkler systems can result in building impairment, primarily due to flooding caused by piping leakage. To better understand the dynamic behavior of suspended fire sprinkler systems, this study analyzes a series of full-scale shaking-table tests conducted at the National Center for Research on Earthquake Engineering (NCREE) Tainan Laboratory. It attempts to identify the seismic performance of fire sprinkler systems in accordance with the conventional construction method followed in Taiwan and with seismic restraints required by NFPA13. A conceptual computational model is developed based on tests conducted on components such as the hangers, angles, and rigid bracings installed in fire sprinkler systems. In comparison with the shaking-table test results, this model provides relatively accurate time-history analysis and helps simulate the dynamic response of different conditions of fire sprinkler systems. |
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