Geosynthetic Clay Liner (GCL) /Lake Hydraulic Barriers

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Geosynthetic Clay Liner (GCL) /Lake Hydraulic Barriers

Specification:

Mass per unit ≥ 4000g / m²

Width: 4-6 m

size: 5.8 x 30m , or customized

bentonite sandwiched between two layers of geotextile

GCL

Features:

1) compacted with clay liner, it has the advantages of
small size, light weight, good flexibility and compactibility

2) easy for construction and suitable for uneven settlement.

3) not affected by temperature

4) permanent waterproofness

5) eco-friendly

Applications:

GCL Technical Index

Item		Specification
		GCL-NP	GCL-OF		GCL-AH
Mass per unit g/m2		≥ 4000 (not less than the specified value)		≥ 4000 (not less than the specified value)	≥ 4000 (not less than the specified value)
GCL expansion index ml/2g		≥24		≥24	≥24
Blue absorption power g/100g		≥ 30		≥ 30	≥ 30
Tensile Strength N/ 100mm		≥ 600		≥ 700	≥ 600
Elongation at maximum load %		≥ 10		≥ 10	≥ 8
Peel strength N / 100mm	Nonwoven geotextile and woven geotextile	≥ 40		≥ 40	-
	PE geommebrane and nonwoven geotextile	-		≥ 30	-
Permeability coefficient m/s		≤ 5.0x10-11		≤ 5.0x10-12	≤ 1.0x10-12
Hydrostatic pressure resistant		0.4 Mpa , 1h, no leakage		0.6 Mpa ,1h,no leakage	0.6Mpa ,1h, no leakage
Filter loss ml		≤ 18		≤ 18	≤ 18
Durability of bentonite ml/ 2g		≥ 20		≥ 20

FAQ:

Q: How are geosynthetic materials used in retaining wall reinforcement?: Geosynthetic materials are commonly used in retaining wall reinforcement as they provide added strength and stability to the structure. These materials, such as geogrids or geotextiles, are placed within the soil layers to improve the overall performance of the retaining wall. They help distribute the load more evenly, increase the wall's resistance to lateral forces, and prevent soil erosion. Additionally, geosynthetics can enhance drainage capabilities and reduce the potential for wall settlement, ensuring a long-lasting and reliable retaining wall system.

Q: Can earthwork products be used for underground drainage systems?: Yes, earthwork products can be used for underground drainage systems. These products, such as geotextiles, geogrids, and geocomposites, are commonly used in underground drainage systems to improve filtration, soil stabilization, and water flow management. They help prevent soil erosion, retain moisture, and enhance the overall performance and longevity of the drainage system.

Q: How do earthwork products contribute to stormwater management?: Earthwork products, such as retaining walls, bio-swales, and rain gardens, play a vital role in stormwater management. These products help to control and redirect the flow of stormwater, preventing erosion, flooding, and water pollution. Retaining walls, for instance, can prevent soil erosion and slope instability, while bio-swales and rain gardens help to filter and absorb stormwater runoff, reducing the amount of pollutants that reach water bodies. Overall, earthwork products provide effective and sustainable solutions for managing stormwater and maintaining the health of our ecosystems.

Q: How do geosynthetic liners prevent seepage in fish ponds?: Geosynthetic liners prevent seepage in fish ponds by creating a barrier that effectively prevents the leakage of water through the pond's soil. These liners, made from durable materials like high-density polyethylene (HDPE) or ethylene propylene diene monomer (EPDM), are impermeable to water and resist damage from chemicals or UV exposure. By lining the bottom and sides of the pond with geosynthetic liners, they create a watertight seal that ensures minimal seepage, thus maintaining the desired water level for the fish pond.

Q: What are the benefits of using geomembranes for pond liners?: Geomembranes offer several benefits for pond liners. Firstly, they are highly durable and can withstand harsh environmental conditions, such as UV radiation and chemical exposure, ensuring the longevity of the pond liner. Additionally, geomembranes are impermeable, preventing water leakage and seepage, which is crucial for maintaining water levels and preventing contamination. They are also easy to install and repair, saving time and effort. Furthermore, geomembranes provide a smooth surface, reducing the growth of algae and other aquatic organisms, thus improving water quality. Lastly, they are versatile and can be customized to fit various pond shapes and sizes, making them suitable for a wide range of applications.

Q: How do earthwork products enhance soil fertility?: Earthwork products can enhance soil fertility by providing essential nutrients and organic matter to the soil. These products, such as compost or organic fertilizers, are rich in nutrients like nitrogen, phosphorus, and potassium, which are crucial for plant growth. Additionally, earthwork products improve soil structure, water-holding capacity, and aeration, promoting the growth of beneficial microorganisms and enhancing the overall health of the soil.

Q: How do earthwork products contribute to slope stabilization on highways?: Earthwork products such as geosynthetics and erosion control materials play a crucial role in slope stabilization on highways. These products are designed to reinforce and protect the soil, preventing erosion and maintaining the stability of slopes. By providing additional strength and support to the soil structure, earthwork products help to prevent landslides, slope failures, and other hazards, ensuring the safety of motorists and preserving the integrity of the highway infrastructure.

Q: Are earthwork products suitable for constructing playgrounds?: Yes, earthwork products can be suitable for constructing playgrounds. Earthwork materials such as soil, sand, and gravel can be used to create a stable and safe foundation for playground structures. Additionally, these materials can be molded and shaped to create contours and features that enhance the play experience. However, it is important to ensure that proper engineering and safety guidelines are followed during the construction process to ensure the durability and safety of the playground.

Q: Can earthwork products be used for embankment stabilization?: Yes, earthwork products can be used for embankment stabilization. Earthwork products such as geosynthetics, geotextiles, and geogrids are commonly employed in embankment stabilization projects. These materials help to reinforce the soil, prevent erosion, and provide stability to the embankment.