Why should the reservoir be laid with geomembrane? Prevent leakage: As an important facility for water storage and deployment, the reservoir must have good anti-seepage performance. Geomembrane has good anti-permeability, which can effectively prevent the penetration and loss of water and solute. By laying geomembrane on the bottom and side walls of the reservoir, the […]
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Why is geomembrane used in tunnel engineering? 1. Waterproof protection: geomembrane can play a waterproof role, effectively preventing groundwater, surface water and rainwater from penetrating into the tunnel structure. Tunnel engineering often requires a lot of excavation and groundwater control. Geomembrane can provide a reliable waterproof barrier to avoid water erosion and damage to the
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HDPE geomembrane is a kind of soil anti-seepage material made of high density polyethylene (High Density Polyethylene, referred to as HDPE). It has excellent physical properties and chemical stability, and is a functional material commonly used in civil engineering. HDPE geomembrane is widely used in water conservancy, transportation, environmental protection, construction and other fields, for
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Geomembrane welding refers to the construction process of connecting two pieces of geomembrane through hot melt or hot air to form a complete waterproof, anti-seepage or other functions. The basic steps of geomembrane welding are as follows: Preparation: Clean up the weld area, make sure the surface is clean and flat, and repair any damage
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Chemical Resistance of Geomembranes The chemical resistance of a geomembrane refers to its ability to remain stable and undamaged when exposed to different chemicals. Since the geomembrane may be exposed to various chemical substances in actual use, such as acids, alkalis, solvents, etc., its chemical resistance is very important. Generally speaking, the polyethylene (PE) material
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What is the stiffness of geomembrane？ The stiffness of geomembranes is usually described by stiffness index or deflection. Stiffness index is a quantitative parameter of bending stiffness of a material under certain conditions, usually expressed in K value, and the unit is m⁴/N. Deflection refers to the degree to which a material bends when an
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The production indicators of geomembrane usually include the following aspects: Thickness: The thickness of the geomembrane refers to its thickness on the horizontal plane, generally in millimeters (mm) as the unit. According to different engineering requirements, the thickness of the geomembrane can vary. Tensile strength: The tensile strength of a geomembrane refers to the maximum
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HDPE geomembrane is mainly used in the following aspects: Anti-infiltration: As a waterproof layer, HDPE geomembrane can effectively prevent the infiltration of water, liquid or gas. It can be used in various civil engineering projects, such as water conservancy projects, sewage treatment plants, landfills, etc., to isolate groundwater and surface soil. Isolation protection: Geomembranes can
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Which is better, geomembrane or concrete? Geomembranes and concrete have different characteristics and advantages in different application scenarios. It is impossible to simply say which one is better, but a choice needs to be made according to specific usage requirements. Here are their main features: Geomembrane: Anti-permeability: Geomembrane can effectively prevent the penetration of water,
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Geomembrane is a material used in soil protection and earthworks, also known as geosynthetics or geosynthetics. It is usually made of high molecular materials such as polyethylene (PE) or polypropylene (PP), and has good permeability resistance, chemical corrosion resistance and aging resistance. What are the types of geomembranes? There are many types of geomembranes, mainly
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