Matters needing attention when using composite geomembrane
During the construction of the composite geomembrane, there are many matters that need to be paid attention to. For example, the construction environment is a very strict test. Factors such as temperature and site must be considered, and the connection of the composite geomembrane must also be considered. The composite geomembrane will explain to you: The preparation methods of anti-seepage membrane are divided into four categories: (1) Lamination method, first prepare a thin dense homogeneous membrane, and then laminate it on the microporous support membrane; (2) Dip coating method , the polymer solution is dip-coated on the microporous membrane, and then dried, and the active monomer or prepolymer solution can also be dip-coated on the microporous membrane, and cured by heat or radiation;
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Description and technical indicators of composite geomembrane
We have said a lot about the related knowledge of composite geomembrane before, today I will learn about it with you. Composite geomembrane is a geosynthetic material composed of two or more materials such as geotextile (or glass fiber mesh) and polymer materials (such as PE film, EVA, etc.). It uses geotextile as the water-conducting layer, polymer material as the anti-seepage layer, and is calendered and hot-melt coated. It has unique anti-seepage, protection and reinforcement, drainage, isolation and other functions. Its high toughness and Excellent chemical corrosion resistance and anti-aging performance exceed the use index of simple application of cloth or film, convenient for construction and construction, no adhesive required
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What are the advantages of using warp-knitted composite geomembrane in dams
For dams, in order to avoid damage caused by water and soil erosion, it is often necessary to use specific materials for protection. Due to the relatively high tensile properties of the warp-knitted composite geomembrane, the effect of using it on dams is worthy of recognition. First of all, the upper part of the seepage problem is the most problem that should be solved in the construction of the embankment. Due to the existence of seepage, the embankment is often damaged. Therefore, the use of warp-knitted composite geomembrane to prevent seepage is the most effective way to avoid landslides. Secondly, long-term scouring of the base of the dam will also cause long-term erosion and collapse of the base of the dam. Using warp-knitted composite soil
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Application of geomembrane in modern aquaculture and anti-seepage function
In more and more large-scale and intensive modern fish ponds, shrimp, loach, lotus root ponds, and fish ponds, waterproof and anti-seepage material geomembranes are more and more favored by farmers. This is because the special farming geomembrane has obvious economic and social benefits compared with the traditional farming model. Whether it is used for ornamental fish ponds or fishing grounds, the main function of HDPE geomembrane is to avoid contact between fish and soil and water pollution. Geomembranes can both prevent the accumulation of waste in the soil and prevent harmful chemicals such as ammonia, hydrogen sulfide, acids, iron and other potentially harmful compounds from entering the pond. so that
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Under what circumstances is it suitable to use special adhesive for geomembrane?
Recently, as the company's geomembrane sales volume has gradually increased, customer consultation on geomembrane issues has also increased with the sales volume. The most common problem is how to connect geomembrane and geomembrane properly. Today, the editor of Shandong Engineering Technology Co., Ltd. will answer this question in detail. First of all, if you use a large amount of geomembrane, or the membrane is relatively thick, you can use welding to connect the geomembrane. Maybe you don't know it very well, but in fact, during the construction process of geomembrane, certain auxiliary materials are needed, such as glue. Glue plays an important role in the whole construction process, for
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In order to achieve a good anti-seepage effect in the artificial lake, three anti-seepage materials are used for anti-seepage comparison. The anti-seepage membrane material has good anti-seepage performance, strong adaptability to deformation, light material, convenient transportation, and strong corrosion resistance. It has the advantages of simple construction, short construction period and low cost. 1. Geomembrane anti-seepage Geomembrane is a kind of anti-seepage material made of high molecular polymer as the basic raw material. The main function is to prevent liquid leakage and gas volatilization. The raw material of geomembrane is a polymer chemical flexible material with small specific gravity, strong extensibility, high adaptability to deformation, good corrosion resistance, low temperature resistance and frost resistance. Among them, the amount of HDPE anti-seepage film is the highest.
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