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本文评论对土试件施加循环荷载的某些常用系统。介绍它们的主要特征和操作原理。详细介绍加州大学贝克莱分校新近制成的价格比较低廉的加荷系统。这种系统由电子控制的压缩空气产生正弦和其他形式的荷载,并用很易购得的部件装配而成。
This article reviews some of the commonly used systems for applying cyclic loading to soil samples. Describe their main features and principles of operation. Details of the recently completed California University Berkeley cheaper loading system. This system produces sinusoidal and other forms of load from electronically controlled compressed air and is assembled from readily available components.