Lining Systems Articles
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How thick should a HDPE pond liner be?
The main function of high-density polyethylene pond liners is to avoid direct contact with soil and avoid water pollution. High-density polyethylene pond liners prevent waste from accumulating in the soil and prevent harmful chemicals such as ammonia, hydrogen sulfide, acids, iron, and other harmful compounds from entering the pond, thus reducing the risk of disease and Protecting and promoting ...
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What is the most commonly used geomembrane material used at the bottom of landfills today?
With urbanization and population growth, landfills are indispensable facilities for handling urban waste today and waste management is very important. Landfills are used in the waste management process. As one of the most important materials in landfills, geomembrane plays a key anti-penetration role. Generally speaking, geomembranes are located at the bottom of landfills, playing an isolation ...
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Using Geosynthetics to Stabilize Soils in a Harsh Environment
Mine Site Erosion Problems One of the largest nickel mining sites in the world is located on the island of New Caledonia in the South Pacific. Due to the size of the mining project and the terrain of the site, significant cut-and-fill work for civil engineering structures was ...
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What is the Life Expectancy of a Geomembrane?
The ASTM testing test of the International Geomaterials Association GRI-GM13 standard shows that the service life of geomembranes is as high as 50-100 years. Geomembranes are used in civil engineering and environmental engineering. Yet, due to some uncontrollable construction operations, raw materials, environment, and other complex factors, there is no problem in using the geomembrane for 50 ...
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Geosynthetics and PFAS: Understanding the Role of Polymer Processing Aids in Geosynthetics
Like many other industries, geosynthetics manufacturers are navigating the rapidly evolving landscape of new per- and polyfluoroalkyl substances (PFAS) regulations. However, in the case of geosynthetic products, an interesting and seemingly paradoxical question emerges: Is it possible that the same products that have been designed to solve complex environmental problems, and even contain ...
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What is the difference between smooth and textured geomembrane?
In the construction of engineering buildings, geomembrane is a frequently used geotechnical material, but it can play a great role. So what is the difference between a smooth geomembrane and a textured geomembrane? There are many differences between the rough surface and smooth surface of the geomembrane, including certain differences in appearance, performance, application, price, etc. The main ...
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What is a geosynthetic clay liner used for?
Geosynthetic Clay Liner (GCL) is a specialized engineered material used in various civil and environmental engineering applications for its excellent hydraulic barrier properties and soil stabilization capabilities. Here are some of the primary uses of geosynthetic clay liners: 1. **Landfill Liners:** GCLs are commonly used as part of the liner system in landfills. They serve as a barrier to ...
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What is Geomembrane used for in Civil Engineering?
Geomembranes are synthetic materials used extensively in civil engineering for various applications related to containment, environmental protection, and water management. They are typically made of polymers like high-density polyethylene (HDPE), low-density polyethylene (LDPE), polyvinyl chloride (PVC), and other flexible materials. Geomembranes serve several critical functions in civil ...
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Choosing the Right Geomembrane: The Case for 60 mil HDPE Liner
Introduction When it comes to geomembranes, selecting the most suitable option is crucial for the success of any geosynthetic project. Geomembranes play a vital role in environmental protection, waste containment, water management, and various civil engineering applications. In this article, we will delve into the compelling case for choosing the 60 mil HDPE liner, exploring its unique ...
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Large Florida Utility Saving Money through Innovation - Case Study
After spending decades and millions of dollars rehabilitating sewer pipes across its service area, a large coastal utility embarked on a pilot pipe condition assessment program for 25,000 linear feet in areas prone to high unwanted infiltration rates. Electro Scan’s Focused Electrode Leak Location technology, or FELL, offers an innovative departure from legacy pipe inspection methods, such ...
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Innovative Pipe Inspection Program Supports Meaningful I/I Reduction for a Large Florida Utility - Case Study
One of the state’s largest water utility is facing significant challenges with excessive inflow and infiltration (I/I) in its gravity collection system, consisting of over 1,500 miles. Precipitation events often result in immediate flow responses within the collection network, at times up to 3 times the average daily flow ...
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What are the Specific Applications of Geomembrane in Engineering?
As a waterproof and barrier product with polymer as the primary raw material, geomembrane has strong waterproof, tensile properties, high temperature and cold resistance, corrosion resistance, ageing resistance and other properties. It can play a perfect role in engineering projects—seepage prevention and isolation effect, so it is used. Let’s analyze the specific application of ...
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HDPE Pond Sheet Liner for Coal Chemical Industry in Indonesi
HDPE Pond Sheet Liner for Coal Chemical Industry in Indonesia Coal chemical industry refers to the conversion of coal into gas, liquid and solid through chemical processing using coal as raw material, Bulk fuel and chemical processes. It mainly includes coal gasification, liquefaction, carbonization and coke, petroleum processing and calcium carbide acetylene chemical industry. With the ...
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HDPE Pond Liner for Shrimp Pond Project in Ecuador - Case Study
As a new type of waterproof material, HDPE Pond Liner is now being used more and more. It is used in various fields because of its good waterproof effect, low weight, good tensile strength, and anti-puncture effect. In the field of breeding, It is also more and more used. It not only saves the workload of the farmers, but also saves the cost of breeding, increases the output of the shrimp Pond, ...
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What is the Difference Between 100% Virgin Materials and Recycled Materials HDPE Geomembranes?
Geomembranes are geotechnical impermeable materials made of plastic film as an impermeable base material and compounded with non-woven fabric, divided into low-density polyethylene (LDPE) geomembranes and high-density polyethylene (HDPE) geomembranes. They are polymeric flexible materials with low specific gravity, high extensibility, high adaptability to deformation, corrosion resistance, ...
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Landfill Plastic Geomembrane Liner for Mining Project in South Africa
As a new type of anti-seepage material, geomembrane plays a good role in the anti-seepage engineering of earth-rock dams. It has the advantages of strong impermeability, good frost resistance, no influence of seasonal climate, convenient construction, and saving engineering costs. Article This paper focuses on the anti-seepage application of geomembrane in earth-rock dam engineering and expounds ...
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The Usefulness of Non-Woven Fabrics Today and Its Future
Nearly every place you sit or stand has a nonwoven fabric. It could be a coffee filter, a tea bag, a mask, diapers, tissues for contact lenses, or other such items. This fabric now has more significance because of the current circumstances and the times we went through because of Covid, yet its market has expanded through time. What is Non-Woven? The most traditional and basic types of textiles ...
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Project - Textured Surface HDPE Liner for Mining Project in Peru
Types of Textured Surface HDPE Liner HDPE liner with a textured surface is a kind of liner. Because the rough surface of the textured surface liner has high friction, it can be used in various slope anti-seepage projects. At present, there are two types of textured surface HDPE liner: one-sided textured surface HDPE liner and double-sided textured surface HDPE ...
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Geosynthetics Products Application in Landfills
With the acceleration of the urbanization process, the amount of urban domestic waste is increasing, and there are more and more landfills. In all countries, municipal solid waste is construction waste, garden waste, etc., and municipal solid waste comes from various types of construction waste generated by residents’ daily waste, municipal engineering, etc., and kitchen waste generated by ...
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Geomembrane in Oil and Gas Application
Shandong Dajin Geosynthetics is a leading supplier in China, which focused on the production of high-quality geomembranes with over 20 years of experience. A geomembrane is an effective impermeable plastic liner to contain different liquids like water, oil, waste liquid, toxic substances, etc. It is popular to use the liner to store the wastewater in an evaporation pond and storage pond. Along ...
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