Tag Archive for Tag: Vibrating Slope Apparatus

Tag: Vibrating Slope Apparatus Vibrating Slope Apparatus

Originally developed in the 1960s, the vibrating slope apparatus (Wong et al. 2000) was recently modified by the US Army Engineering Research and Development Center (ERDC) for the US Federal Highway Administration (FHWA). The device measures the workability of low slump concretes subjected to vibration at two different shear rates in order to determine a “workability index” that is related

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