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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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 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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The main function of geotextile bags Protection: Geotextile bags can be used to protect and reinforce soil and rock surfaces. It can resist soil erosion and rock weathering, and reduce erosion and damage to the ground caused by factors such as water flow and waves. Screening function: Geotextile bags can form a filter layer in
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Is it better to have a higher density of geomembrane? 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. The density of
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Description of geomembrane quality indicators Geomembrane CBR Bursting Strength CBR bursting strength refers to the maximum load per unit area that the soil sample receives when it reaches the specified damage standard under the action of heavy load. CBR (California Bearing Ratio) test is one of the test methods used to evaluate soil bearing capacity.
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Manufacturing and testing of HDPE geomembrane products should be the latest version and revised in accordance with the following standards or equivalent and compared to a higher standard, if not in China, please examine according to the origin of the inspection standard. Tensile test of geomembrane Sample Preparation: Cut representative specimens, usually rectangular in shape,
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