In order to evaluate the water conveyance capacity of the material, the geotextile surface flow mete
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STANDARDS
ISO 12958 Geotextiles and geotextile-Related products - Determination of water flow capacity in their plane
ASTM D4716 Standard test method for determining the (in-plane) flow rate per unit width and hydraulic transmissivity of a geosynthetic using a constant head
GB/T 17633 Geotextiles and geotextile-related products-Determination of water flow capacity in their plane
| Items | Parameters |
| Normal pressure range | 10-220kPa (according to the need to expand the compression range to 5-260kPa) |
| Pneumatic pressurization system | Provide 20kPa, 100kPa, 200kPa standard constant pressure and a variety of custom pressure |
| Pressure control accuracy | Less than ± 2% |
| The loading platform area | 300mm × 300mm |
| Specimen thickness | Less than 50mm |
| Timer time setting range | 0.1-9999s |
| Time accuracy | 0.1s |
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