Conservativeness Study on the Seismic Analysis Method for Research Reactor Plant Structure Based on TMSR-LF1

Table 11

Comparison of plastic hinge ratio of the structure by the elastoplastic time history analysis under rare earthquakes.

Analysis method	Direction	Plastic hinge ratio (%)		Ratio
		Beam	Column	Beam	Column
Elastoplastic time history analysis	X	6.53	50.45	1.87	1.54
	Y	4.22	43.22	1.46	1.35
Pushover analysis	X	3.50	32.68	1.00	1.00
	Y	2.90	31.92	1.00	1.00