Apparatus for permeability to interpret from hydraulic properties in fluvial deposits and stream deposits

摘要

The present invention relates to a water permeability test device for analyzing the characteristics of the river bed and river sediments repair , more specifically, by mounting the sand and gravel bit for easy and convenient to use the equipment according to the deposit condition , accurate and precise in order to obtain the data relates to a water-permeable test apparatus comprising the automatic water level measuring device to the casing and out . ;