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Do Tunnels Need Geotextiles? Geotextiles are usually not required in tunneling projects, but in some cases their use may provide additional advantages and benefits. Here are some possible situations where geotextiles are used: Preventing Soil Erosion: During tunneling, the stabilization and retention of soil is critical. Geotextiles can be used to control and reduce soil […]
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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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What are the installation methods of geotextiles? Geotextile is a material used in civil engineering, horticulture and environmental protection, mainly to prevent soil erosion and enhance the stability of soil. The following are several common geotextile installation methods: Laying method: Spread the geotextile on the surface that needs protection or reinforcement, make sure the fabric
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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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What are the methods of using geotextiles 1. Geotextile packaging 1) Geotextiles are packed in rolls according to the fixed length. The fixed-length value is determined according to the product specification or through negotiation between relevant parties. 2) The splicing rate of geotextile products should be within 15%, and the total length of each roll
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What is the function of geotextiles? Geotextile is a kind of polymer material, which has the functions of waterproof, isolation, reinforcement and filtration. The following are the main functions of geotextiles: Waterproof and water-proof function: Geotextile can be used as a waterproof layer to isolate water and moisture and prevent water penetration and water leakage.
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What is the surface flatness of geotextiles? The surface flatness of geotextiles depends on the specific manufacturing process and product quality. Generally speaking, high-quality geotextiles will undergo strict quality control during the manufacturing process to ensure that their surface flatness reaches a high standard. The surface flatness of geotextile has a certain influence on its
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What is the pore size of geotextiles? The pore size of geotextiles will vary according to specific application needs and design requirements. Geotextile is a material used in soil engineering and geological engineering. Its main function is to enhance the stability of the soil, prevent soil erosion and anti-seepage. The pore size (also known as
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What is the tensile strength of geotextiles? The tensile strength of a geotextile is an assessment of its ability to resist tensile forces. In general, the tensile strength index of geotextiles is usually used to describe the resistance to tensile forces in the horizontal direction (MD) and vertical direction (CD). The tensile strength of geotextiles
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What are the geotextile technologies? Material selection: According to specific engineering requirements, select suitable geotextile materials, common polypropylene (PP) and polyester (PET) synthetic fiber materials. The material should have a certain strength, durability and corrosion resistance. Specification determination: According to the engineering design requirements and soil characteristics, determine the specifications and scale of the geotextile.
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