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ISO 12958 ASTM D4716 Geosynthetic Materials Horizontal Permeation Testing Equipment Geosynthetic Horizontal Permeameter
Introduction
The geosynthetic material horizontal permeability tester is used to measure the horizontal permeability of geosynthetic materials under constant water head flow conditions. During the test, under the specified hydraulic gradient and contact material conditions, the normal pressure is changed to measure the water flow within the plane of the geotextile and its related products.
Technical features
1. Made of acrylic and aluminum profiles, it is both beautiful and resistant to rust;
2. Compact structure, easy to install;
3. Reasonable waterway design, simple operation;
4. The geotextile horizontal permeability instrument is equipped with a water tank, with good environmental adaptability;
5. The pneumatic loading method applies a constant pressure to the specimen, safe and reliable;
6. The high-precision pressure gauge is easy to read and reliable;
7. The water level control system with two overflow ports can achieve continuous and adjustable water head loss within a wide range;
8. The water head height value is read from the water level scale, with a reading accuracy of 1mm;
9. Various thicknesses of closed-cell rubber are provided, suitable for different thickness specimens.
Compliant with standards
GB/T 17633-2019, ISO/FDIS 12958-1998, ASTM D4716-2007, SL/T 235-9-2012
ISO 12958 ASTM D4716 Geosynthetic Materials Horizontal Permeation Testing Equipment Geosynthetic Horizontal Permeameter
Technical Specification
| Press plate size | 305×305mm (Length × Width) |
| Sample thickness | 50mm |
| Sealing rubber thickness | 10 mm, 15 mm, 20 mm, 25 mm |
| Pressurization method | Pneumatic pressurization |
| Normal pressure | 0 - 600 kPa, adjustable |
| Normal pressure resolution | 5 kPa |
| Water level height adjustment method | Lifting screw, manual operation |
| Range of water head adjustment | 0 - 400 mm, continuously adjustable (with water level indication displayed) |
| Accuracy of water head difference | ±1 mm |
| Capacity of the water storage tank | 120 L |