Advanced horizontal permeability test bench
Whats/App: +86 156 1874 6768
Web: standard-groups.com
The geosynthetic material horizontal permeability tester simulates water flow conditions in actual engineering projects to measure the material's horizontal permeability coefficient and hydraulic conductivity, thus evaluating its drainage performance.
Application
Used to determine the horizontal permeability of geosynthetics under constant head flow conditions. Under the conditions of hydraulic gradient and contact material, the normal pressure is changed to measure the water flow in the plane of geotextile and its related products.
Standard
GB/T17633-2019:Geotextiles and geotextile-related products - Determination of water flow capacity in their plane
ISO/FDIS 12958-1998:Geotextiles and geotextile-related products - Determination of water flow capacity in their plane
ASTM D4716-2007:Standard Test Method for Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivity of a Geosynthetic Using a Constant Head
SL/T 235-9-2012:Test Method for [Specific Property] of Geosynthetics
ISO 11058:Geotextiles and geotextile-related products - Determination of water permeability characteristics normal to the plane, without load
Features
The whole machine is made of acrylic and aluminum profiles, simple and beautiful, not easy to rust;
The instrument is compact in structure and convenient in installation.
The waterway design is reasonable and the operation is simple;
With water tank, high environmental adaptability;
Pressure loading is adopted to apply constant normal pressure to the sample, which is safe and reliable.
Double overflow water level adjustment system, can achieve a wide range of water head difference continuous adjustment:
High precision pressure gauge front mounted, easy and reliable reading;
The instrument is equipped with a variety of specifications closed cell rubber, suitable for different specifications of samples;
The instrument has stable performance and good reproducibility.
Parameters
| Description | Details |
|---|---|
| Pressure plate size (LxW) | 305x305mm |
| Maximum specimen thickness | 50mm |
| Seal rubber thickness | 10. 15. 20. 25mm |
| Compression mode | Pneumatic compression |
| Normal pressure | 0 - 600kPa adjustable |
| Pressure accuracy | ±2% |
| Normal pressure resolution | 5kPa |
| Head height adjustment mode | Lifting screw, manual |
| Water head difference adjustment range | 0 - 400mm continuously adjustable, water level meter display |
| Head difference accuracy | ±1mm |
| Water storage tank volume | 120L |
| Overall dimensions | 2100x2050x650mm |
| Weight | 380kg |
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