Steps for sewing seams of geotextile Geotextile sewing seams are seams processed on the surface of the geotextile to achieve the functions of geotextile connection and anti-seepage. This method is often used in engineering applications such as creating large-area geotextile coverings, isolation layers or reinforcement layers. Here are the general steps for sewing seams in […]
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Thermal expansion coefficient of geomembrane The thermal expansion coefficient of a geomembrane is a physical property that describes the dimensional changes of the geomembrane under temperature changes. Thermal expansion coefficient is usually expressed as linear thermal expansion coefficient (or linear expansion coefficient for short), which is a material property that reflects the length change of
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Water resistance test of geotextiles The water resistance test of geotextiles is an important test used to evaluate the performance and stability of geotextiles in humid or flooded environments. This kind of testing usually includes the following steps and methods: Sample preparation: Cut a representative sample from the geotextile. The shape and size of the
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Geomembrane elongation at break test The elongation at break test of geomembranes is a test method used to evaluate the tensile properties of geomembrane materials. This test is often used to determine how much stretch a geomembrane can withstand when a force is applied, and how far it can stretch during the stretching process. The
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Weather resistance of geotextiles The weatherability of a geotextile refers to its ability to maintain its structural integrity and performance under varying climate and environmental conditions. Weathering resistance is one of the critical performance properties of geotextiles in a variety of civil engineering and land improvement applications. The following are the key factors that affect
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Geomembrane stability The stability of a geomembrane refers to its ability to maintain required performance and durability during use. The following are the main aspects to consider for the stability of geomembranes: Chemical stability: The geomembrane should have good chemical stability and be able to withstand the effects of soil, water, chemicals, etc. that come
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What standards should European standard geotextiles meet? European standard geotextiles need to comply with a series of relevant European standards, which are usually formulated and managed by the European Committee for Standardization (CEN). Here are some of the main European standards related to geotextiles: EN 13249 – General requirements for geotextile materials and products: This
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What standards does the European standard geomembrane need to meet? European geomembranes need to comply with a series of relevant European standards, which are usually formulated and managed by the European Committee for Standardization (CEN). Here are some of the main European standards related to geomembranes: EN 13361 – General requirements for geomembrane materials and
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How to lay geomembrane The laying method of geomembrane has an important impact on the anti-seepage effect and durability of the channel anti-seepage and water-saving renovation project. During the laying process, the bottom of the channel should first be cleaned and leveled to ensure good contact between the geomembrane and the base layer. The geomembrane
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What is a geomembrane? As an efficient anti-seepage material, geomembrane plays an important role in channel anti-seepage and water-saving renovation projects. The application of geomembrane can significantly improve the anti-seepage performance and engineering life of the channel, while saving construction costs. The anti-seepage and water-saving renovation project of canals is an important link in farmland
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