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republic of liberia Geotextile Dynamic Perforation Tester
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Product Description
LHDC-1 Geotextile Dynamic Puncture Tester
1. Purpose and Scope of Application
This instrument is used to determine the penetration resistance of geotextiles and related products to a steel cone dropped from a fixed height. It characterizes the damage degree caused to the geotextile surface by falling sharp stones. Its performance meets the requirements of the instrument in the GB/T17630 "Dynamic Puncture Test for Geotextiles and Related Products - Drop Cone Method" standard.
2. Main Technical Parameters
1. Inner diameter of clamping ring: 150±0.5mm
2. Distance from cone tip to specimen: 500±2mm
3. Stainless steel cone: maximum diameter 50mm
Cone angle 45 degrees
Total weight 1000±5g (including guide rod)
4. Small angle cone: mass 600±5g
5. Instrument weight: 45Kg
5. Overall dimensions: 450x350x1600mm
3. Testing Principle
The geotextile specimen is horizontally clamped in the clamping ring. A stainless steel cone of specified mass is dropped from a height of 500mm onto the specimen. The cone penetrates the specimen causing a hole. Then, a small angle cone marked with scale is inserted into the hole to measure the degree of penetration.
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