预应力混凝土梁自振频率的疲劳演变

杜永潇,卫军,孙晓立

Fatigue evolution of natural frequency for prestressed concrete beam

Yong-xiao DU,Jun WEI,Xiao-li SUN

图 6 Timoshenko梁频率修正系数发展规律

Fig.6 Development law of frequency correction coefficient for Timoshenko beam