The alternate test of static load and dynamic load on RC beam serves the study of the frequencychange disciplinarian from integrity to destroy of RC beam.
通过对钢筋混凝土梁进行不同荷载等级下静载和动载的交替实验,得到混凝土梁从完整到破坏的频率变化规律。
2
Transformer: It belongs to static EM, It can be used to change the Voltage, the Current, the phase No., the frequency and the phase of the Electrical power.