The load spectrum of the bolster spring is determined by means of establishing the mechanics model of bolster and spring of Zhuan 8A type bogie, and by using a known load spectrum of the bolster.

• 通过建立转8A型转向架摇枕与枕簧的力学关系模型,利用已知的摇枕实测载荷谱,分析确定出了枕簧的载荷谱。