ASTM D6767 Geosynthetic Permeability Clogging Analyzer
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The geosynthetic material clogging test apparatus is a testing instrument used for testing geosynthetic filter layers. It is used to determine the permeability coefficient and permeability ratio of the soil-geotextile system and its interface under specific water flow conditions, as well as to determine the silt content of the geotextile, in order to assess whether the geosynthetic material, when used as a filter layer for a particular type of soil, will experience unacceptable clogging.
Application
The method of gradient ratio is used to measure the permeability coefficient and permeability ratio of soil and geotextile system and its interface under no-pressure conditions, and the mud content of geotextile is measured to determine whether the geosynthetic material is used as a filter layer of some soil, and whether the blockage is not allowed.
Standard
ASTM D5101-2006:Standard Test Method for Measuring the Soil-Geotextile System Clogging Potential by the Gradient Ratio
JTG E50 T1145-2006:Test Method for Clogging of Geosynthetics - Gradient Ratio Method (as part of JTG E50-2006)
SL 235-2012:Specification for Test and Measurement of Geosynthetics
Features
Suitable for all kinds of soil and geotextile;
Floor type design, stable fuselage structure, not easy to deformation:
Plexiglass test chamber can visually observe the silting process of geotextiles:
The seal of the specimen holding device in the test cylinder is good to ensure the feasibility of the test.
The height of the test cylinder is reasonable, and a certain space is reserved above the soil sample to make the water flow uniform and stable.
Manual rotary hand wheel drive, water level regulation, efficient and smooth:
6 pressure gauges for easy pressure observation and high measurement accuracy:
Easy to install, easy to operate.
Parameters
Instrument type floor type
The inner diameter of the test cylinder is 100mm
The sample height is 100mm
Head difference adjustment range 0——1050mm
Head difference accuracy ±1mm
Support net aperture 6mm
Overall dimensions 450x400x980mm(LxWxH)
Weight 75kg
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