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Constructing HDPE geomembrane for water retaining structure dams

Smooth HDPE Geomembrane is manufactured from High Density Polyethylene resin with proportional carbon black antioxidant, anti-aging and UV-resistance materials by the technology of coextrusion-blown triple layer.

Commodity name： Constructing HDPE geomembrane for water retaining structure dams

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Description

Introduction

HDPE geomembrane is a type of high-density polyethylene (HDPE) material that is commonly used in civil engineering and environmental projects. It is a durable and impermeable membrane that is designed to prevent the passage of liquids and gases, making it ideal for use in applications such as landfill liners, pond liners, and containment systems.

One of the key advantages of HDPE geomembrane is its high tensile strength and puncture resistance, which allows it to withstand the stresses and strains of construction and environmental conditions. This makes it a reliable and long-lasting solution for protecting against leaks and seepage in various projects.

In addition to its physical properties, HDPE geomembrane is also resistant to chemicals, UV radiation, and environmental degradation, ensuring its performance and integrity over time. This makes it a cost-effective and low-maintenance option for projects that require long-term containment solutions.

Installation of HDPE geomembrane is a straightforward process that involves laying the membrane over a prepared subgrade and securing it in place with seams and fasteners. Proper installation is crucial to ensure the effectiveness of the geomembrane in preventing leaks and contamination.

Overall, HDPE geomembrane is a versatile and reliable material that offers a wide range of benefits for civil engineering and environmental projects. Its durability, impermeability, and resistance to chemicals make it an ideal choice for applications that require reliable containment and protection against environmental hazards.

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Applications

One of the main uses of HDPE geomembranes is in waste management systems, such as landfills and waste containment facilities. The impermeable nature of HDPE geomembranes helps to prevent the leakage of pollutants and contaminants into the surrounding soil and water, thus protecting the environment and public health. These geomembranes can also be used as liners for lagoons, ponds, and reservoirs to prevent seepage and ensure the integrity of water containment systems.

In addition, HDPE geomembranes are commonly used in the construction of water retention structures, such as dams, canals, and irrigation ditches. The high tensile strength and puncture resistance of HDPE geomembranes make them ideal for withstanding the harsh conditions of water storage and transportation systems. These geomembranes also help to control the seepage of water, thereby improving the efficiency and sustainability of water management practices.

Furthermore, HDPE geomembranes are utilized in the protection and rehabilitation of slopes and embankments. By installing these geomembranes on steep slopes and unstable terrain, the risk of erosion, landslides, and soil degradation can be significantly reduced. The flexibility and adaptability of HDPE geomembranes make them an effective solution for stabilizing and reinforcing slopes in various geotechnical and environmental applications.

Moreover, HDPE geomembranes are used in the construction and maintenance of transportation infrastructure, such as roads, highways, and railways. These geomembranes are often incorporated into subgrade stabilization systems to enhance the load-bearing capacity and durability of road foundations. They can also be used as a barrier to prevent the infiltration of water and chemicals into the pavement layers, thereby extending the service life of the transportation infrastructure.

In conclusion, HDPE geomembranes play a crucial role in a wide range of civil engineering and environmental applications. From waste management and water retention to slope protection and transportation infrastructure, these geomembranes offer a sustainable and cost-effective solution for addressing various engineering challenges. With their superior performance and longevity, HDPE geomembranes continue to be a preferred choice for engineers and environmental professionals worldwide.

Working Drawing

Specifications

❶ Thickness: 0.2mm-3.0mm

❷ Width:1-10m

❸ Colour: black, green, blue, yellow

Properties	Test Method	GMSH050	GMSH075	GMSH100	GMSH150	GMSH200
Thickness	ASTM D5199	0.50 mm	0.75 mm	1.00 mm	1.50 mm	2.00 mm
Density	ASTM D1505	0.940 g/co	0.940 g/cc	0.940 g/cc	0.940 q/cc	0.940 g/cc
Tensile Properties
Yield strength	ASTM D6693	7kN/m	11 kN/m	15 kN/m	22 kN/m	29kN/m
Break strength	Type IV	13 kN/m	20 kN/m	27 kN/m	40 kN/m	53 kN/m
Yield elongation		12%	12%	12%	12%	12%
Break elongation		700%	700%	700%	700%	700%
Tear Resistance	ASTM D1004	62 N	93 N	125 N	187 N	249 N
Puncture Resistance	ASTM D4833	160 N	240 N	320 N	480 N	640 N
Stress Crack Resistance	ASTM D5397	500 hrs	500 hrs	500 hrs	500 hrs	500 hrs
m Carbon Black Content	ASTM D1603	2.0%	2.0%	2.0%	2.0%	2.0%
Carbon Black Dispersion	ASTM D5596	For 10 different views:9in Categoriesor 2 and 1 inCategory 3
Oxidative Induction Time (OIT	ASTM D3895	100 min.	100 min.	100 min.	100 min.	100 min.
UV Resistance High Pressure OIT retained after 1600hrs	ASTM D5885	50%	50%	50%	50%	50%
Dimensions
Roll Width (m)		7	7	7	7	7
Roll Length (m		420	280	210	140	105