Knowledge Base

You will read lots of know-how articles here in this category and learn all aspects of the geosynthetic industry.

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Geomembrane UV resistance test and discussion

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Geomembrane UV resistance test and discussion The national standards GB/T17643-2011 and CJ/T234-2006 both stipulate the anti-ultraviolet performance indicators of geomembranes, but the difference from the American standard GM 13 directive is that after 1600 hours of anti-ultraviolet performance, the geomembrane After the test, it is evaluated by whether the retention rate of OIT before and […]

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Analysis of interface shear failure and peak strength of geomembrane and polyester filament geotextile

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Analysis of interface shear failure and peak strength of geomembrane and polyester filament geotextile Geosynthetic materials such as geomembranes and geotextiles are widely used in fields such as environmental protection, transportation, water conservancy, agriculture, and construction waterproofing. Since the shear strength between geosynthetic materials interfaces is weak, the slip stability of slopes containing geosynthetic materials

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Introduction to the advanced nature of 8 geomembrane processes

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There are many geomembrane production processes, such as: the production process of polyethylene film extrusion blow molding is: put polyethylene resin into the extruder, after the extruder is plasticized and melted, the rotating screw pushes the molten material into the forming mold, and the formed tubular film blank is extruded from the die. out, and

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HDPE geomembrane welding requirements

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HDPE geomembrane welding requirements The HDPE geomembrane process is the most critical process in the entire anti-seepage system. The success or failure of the entire project depends on the construction quality of the artificial geomembrane. Therefore, in the construction, every process and every link must be strictly organized and carefully constructed. HDPE geomembrane welding generally

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HDPE geomembrane construction process

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HDPE geomembrane construction process 1. Process flow ●Foundation excavation ●Do lake bottom mortar protective layer (H20-30mm) ●Slope cutting, compaction and leveling ●Paste composite geomembrane and vertical retaining wall ●Basal surface leveling, cleaning, process handover ●Seal and stop water at the mouth of the underwater water pipe ●Composite geomembrane laying and welding ●Process handover ●Welding and

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11 Tips to Improve Pond Bottom Quality In Your Shrimp Farm

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Poor pond bottom quality can significantly increase shrimp mortality, leading to lower harvests and reduced profits. At the same time, shrimp production can create a build-up of organic matter on the pond floor, including feed residue, waste material, and dead organisms – commonly known as sludge. In large enough quantities it has a detrimental effect

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