| 英文摘要 |
Fire sprinkler piping systems are likely to become damaged during earthquakes, owing to their vulnerability and mechanical properties. Worse still, leakage and falling obstacles caused by damaged piping and adjacent ceiling systems significantly affect normal operation of critical buildings such as hospitals. This research aims to quantify the seismic capacity of sprinkler piping in hospitals by means of fragility curves, in order to conduct seismic evaluation or design its seismic performance. A typical sprinkler piping system in a medium-scale hospital in southern Taiwan, which was damaged in the 2010 Jiashian earthquake, is used as an example. Experimental results of in situ ambient vibration tests and shaking table tests of the piping subsystem are used to verify the accuracy of the numerical model, including hangers, screwed fittings of small-bore pipes, adjacent partition walls, and ceiling boards. Fragility curves of the sprinkler piping system are then established according to a large quantity of numerical analysis results, and a fragility analysis procedure is also suggested. |
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