sao tome and principe HDPE Composite Geomembrane for Tunnel Construction with One Cloth One Film

Composite geomembrane is a geotextile and geomembrane composite impermeable materials, it is mainly used for seepage control, composite geomembrane is divided into a cloth and a membrane and two cloth and a membrane

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sao tome and principeComposite Geomembrane

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Product Description

Introduction

Composite geomembrane is a multifunctional and high-performance geotechnical material that plays an important role in civil engineering. It can effectively prevent problems such as soil erosion, land erosion, and chemical infiltration, providing important guarantees for the safety, stability, and environmental protection of the project.

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Anti seepage and isolation: Composite geomembrane has excellent anti-seepage performance and can be used in projects such as reservoirs, dams, and landfill sites to prevent water infiltration or seepage, and to avoid soil erosion and groundwater pollution.

Soil stability: Composite geomembranes can be used to reinforce soil, prevent soil erosion, stabilize slopes, road foundations, etc., and improve soil bearing capacity and stability.

Chemical corrosion prevention: Composite geotextile film has chemical corrosion resistance and can be used in chemical plants, landfills, and other places to isolate harmful chemicals and protect soil and groundwater from pollution.

Bottom membrane coverage: Composite geomembrane can be used for bottom coverage in sewage treatment plants, landfill sites, etc., to prevent wastewater or pollutants from infiltrating and maintain environmental hygiene.

River regulation: Composite geomembrane can be used in river regulation projects to reinforce riverbanks, protect soil and water environment, and prevent river erosion and erosion.

Vegetation coverage: Composite geomembranes can also be used as vegetation cover materials, playing a role in protecting soil and promoting vegetation growth in ecological restoration projects.

Working Drawing

Specifications

Item		Index
Nominal breaking strength / ( kN / m )		5	7.5	10	12	14	16	18	20
Longitudinal and transverse rupture strength /( kN / m )≥		5.0	7.5	10	12	14	16	18	20
Vertical and horizontal standard strength corresponding to elongation /%		30-100
CBR bursting strength /kN ≥		1.1	1.5	1.9	2.2	2.5	2.8	3.0	3.2
Vertical and horizontal tear strength / kN ≥		0.15	0.25	0.32	0.40	0.48	0.56	0.62	0.70
Vertical Permeability Index / ( cm / s)		According customer needs
Width deviation /%		-1.0

Item		Membrane thickness/mm
Item		0.2	0.3	0.4	0.5	0.6	0.7	0.8	1.0
Hydrostatic pressure resistance / MPa	1 fabric with 1 membrane	0.4	0.5	0.6	0.8	1.0	1.2	1.4	1.6
Hydrostatic pressure resistance / MPa	2 fabric with 1 membrane	0.5	0.6	0.8	1.0	1.2	1.4	1.6	1.8