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Product Introduction
Composite geomembrane(also named as waterproofing geotextile) is a kind of non-woven geotextile compound geomembrane taking non-woven geotextile as base material, and HDPE geomembrane as the membrane material. Classified by base material, it can be divided into short-fiber non-woven composite geomembrane and filament non-woven composite geomembrane; Classified by structure, it can be divided into one geotextile and one geomembrane, two geotextile and one geomembrane.
Product Application
1. It is applied in horizontal impervious blanket and vertical anti-seepage layer of foundation in front of dams such as soil dam, rock-fill dam, stone dam, and compressed concrete dam;
2. Construction cofferdam of tailing dam, sewage dam and reservoir area;
3. Channel, liquid pool, waste storage;
4. Anti-seepage lining of subway, basement and tunnel, cave;
5. Treatment of salt marsh of foundations of road, expressway and railway and other roadbed;
6. Waterproof layer of swelling soil and collapsible loess; Roof waterproof.
Technical data:
Item | Value | |||||||||
Nominal break strength, kN/m ≥ | 5 | 5.7 | 10 | 12 | 14 | 16 | 18 | 20 | ||
1. | Break strength(MD&CMD), kN/m ≥ | 5.0 | 7.5 | 10.0 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | |
2. | Corresponding elongation at standard strength(MD&CMD), % | 30~100 | ||||||||
3. | CBR bursting strength, kN ≥ | 1.1 | 1.5 | 1.9 | 2.2 | 2.5 | 2.8 | 3.0 | 3.2 | |
4. | Tear strength(MD&CMD), kN ≥ | 0.15 | 0.25 | 0.32 | 0.40 | 0.48 | 0.56 | 0.62 | 0.70 | |
5. | According to table 2 | |||||||||
6. | Peel strength,N/cm ≥ | 6 | ||||||||
7. | Vertical coefficient of permeability, cm/s | According to the requirement of design or contract | ||||||||
8. | Width Deviation, % | -1.0 | ||||||||
Remark 1：Specification(Nominal break strength) that is not listed in the above sheet shall be performed by interpolation method. Where the technical data surpass the specification listed in the above sheet, it shall be confirmed by both the parties. Remark 2：The standard value of Item 8 shall be designed and confirmed by both the parties. Remark 3：Whereas the actual break strength is lower than the standard strength, the corresponding elongation shall be taken as the judgment. | ||||||||||
Product Introduction
Composite geomembrane(also named as waterproofing geotextile) is a kind of non-woven geotextile compound geomembrane taking non-woven geotextile as base material, and HDPE geomembrane as the membrane material. Classified by base material, it can be divided into short-fiber non-woven composite geomembrane and filament non-woven composite geomembrane; Classified by structure, it can be divided into one geotextile and one geomembrane, two geotextile and one geomembrane.
Product Application
1. It is applied in horizontal impervious blanket and vertical anti-seepage layer of foundation in front of dams such as soil dam, rock-fill dam, stone dam, and compressed concrete dam;
2. Construction cofferdam of tailing dam, sewage dam and reservoir area;
3. Channel, liquid pool, waste storage;
4. Anti-seepage lining of subway, basement and tunnel, cave;
5. Treatment of salt marsh of foundations of road, expressway and railway and other roadbed;
6. Waterproof layer of swelling soil and collapsible loess; Roof waterproof.
Technical data:
Item | Value | |||||||||
Nominal break strength, kN/m ≥ | 5 | 5.7 | 10 | 12 | 14 | 16 | 18 | 20 | ||
1. | Break strength(MD&CMD), kN/m ≥ | 5.0 | 7.5 | 10.0 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | |
2. | Corresponding elongation at standard strength(MD&CMD), % | 30~100 | ||||||||
3. | CBR bursting strength, kN ≥ | 1.1 | 1.5 | 1.9 | 2.2 | 2.5 | 2.8 | 3.0 | 3.2 | |
4. | Tear strength(MD&CMD), kN ≥ | 0.15 | 0.25 | 0.32 | 0.40 | 0.48 | 0.56 | 0.62 | 0.70 | |
5. | According to table 2 | |||||||||
6. | Peel strength,N/cm ≥ | 6 | ||||||||
7. | Vertical coefficient of permeability, cm/s | According to the requirement of design or contract | ||||||||
8. | Width Deviation, % | -1.0 | ||||||||
Remark 1：Specification(Nominal break strength) that is not listed in the above sheet shall be performed by interpolation method. Where the technical data surpass the specification listed in the above sheet, it shall be confirmed by both the parties. Remark 2：The standard value of Item 8 shall be designed and confirmed by both the parties. Remark 3：Whereas the actual break strength is lower than the standard strength, the corresponding elongation shall be taken as the judgment. | ||||||||||