梁结构疲劳刚度退化对模态频率的影响
卫军(
),杜永潇,梁曼舒
),杜永潇,梁曼舒
Influence of fatigue stiffness degradation for beam structure on modal frequency
Jun WEI(),Yong-xiao DU,Man-shu LIANG
),Yong-xiao DU,Man-shu LIANG
图 9. 预应力混凝土梁有限元模型
Fig.9. Finite element model of PC beam
