The test report of the geosynthetics vertical permeation instrument includes the following contents - Huaqiang Electronic Network

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TSY-9 Geosynthetics Vertical Permeameter

The TSY-9 Geosynthetics Vertical Permeameter is designed and developed according to the standard JTGE50-2006, specifically for measuring in-plane water flow of geosynthetic materials. It is suitable for vertical permeability testing of various geotechnical materials, offering stable performance, ease of use, and practicality for laboratory environments.

Technical Specifications:

• Sample size: φ80mm
• Dimensions: 600 x 750 x 1900 mm
• Machine weight: 150 kg

Operating Instructions:

1. Place the sample in a solution containing a humectant (0.1% V/V sodium alkyl benzene sulfonate) and soak it for at least 12 hours until fully saturated. Ensure all air bubbles are removed during this process.
2. Remove the high-pressure chamber (refer to Figure 12). Install the test specimen (5) on the holder (6). The sample must be clean, free from dirt, creases, or visible imperfections. Fold the sample and lay it flat without applying any load before securing the high-pressure chamber and tightening the nut evenly.
3. Open the water valve (3) and fill the high-pressure water tank (2) with clean water until the head difference on both sides reaches 50 mm (11). Turn off the water supply. If the heads are not balanced within 5 minutes, check for trapped air. Open the exhaust valve (13) to release air and note this in the test report.
4. Adjust the water flow so that the head difference is maintained at 70 mm ± 5 mm, and record this value accurately to 1 mm. After the head stabilizes for 30 seconds, collect the permeate water in the designated time period (8). The volume should be measured to the nearest 10 mL, and the time to the nearest second. The total permeate volume should be at least 1000 mL, with a minimum collection time of 30 seconds.
5. Repeat the procedure for maximum head differences of 0.8, 0.6, 0.4, and 0.2 times the initial head difference. Conduct tests starting from the highest flow rate and ending with the lowest. Record the corresponding permeate volumes and times for each stage.
6. Record the water temperature to the nearest 0.2°C.
7. Calculate the results according to the relevant standards outlined in T1141-2006.
8. After the test, open the drain valve (4) to empty all components. Clean the instrument thoroughly before storage.

Test Report Requirements:

• Sample name, specification model, and condition description
• Description of the sample's condition
• Date of the test
• Permeameter specifications and key technical parameters
• Effective water area of the sample
• A set of flow rate vs. head loss curves for each sample
• Flow velocity index (VI50) at a 50 mm head difference, including vertical permeability coefficient and hydraulic conductivity
• Water temperature range during the test
• Water supply method and dissolved oxygen level
• Any deviations from the standard procedure

This equipment is ideal for engineers and researchers conducting geotechnical studies, especially those focused on soil and geosynthetic material performance under controlled conditions. Its user-friendly design and accurate measurement capabilities make it a valuable tool in modern laboratories.