Bentonite waterproof blanket
2. Geomembrane has a certain amount of deformation , and the stress is transferred and dispersed quickly to the concave and convex defects of the bottom cushion, and the strain capacity is strong.
3. Composite geomemofilm with geotextile instead of particle material as the protective layer of geomemofilm , in order to protect the impervious layer of geomemofilm from damage, reduce the grading requirements of cushion particle size, and can play the role of drainage.
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HDPE geomembrane calendering bidirectional tensile process produced impermeable geomembrane price is low, because it has good tensile strength, high impact strength, anti-penetration, acid and alkali resistance, heat resistance, weather resistance, foot damage and other characteristics, is used to block groundwater upward penetration. So that it can be used in building construction. Construction units according to the size of the construction site area, the impermeable geomembrane with high frequency welding or adhesive tape bonding method stick into one, spread on the rammed foundation, the above spread with sand cushion, geomembrane is left under the building foundation. In a severe sense. Impermeable geomembrane quality will affect the construction quality of the building.
Impervious geomembrane because of its good tensile strength, high impact strength, anti-penetration, acid and alkali resistance, heat resistance, weather resistance, wear resistance and other characteristics, impervious geomembrane in coastal areas of the construction industry has been used a lot. At the same time, it is also widely used in river embankments, reservoirs, diversion tunnels, roads, railways, airports, underground and inferior water projects. Geomembrane and the price advantage of geomembrane have become the main materials in the construction of modern national economy. The production technology of impervious geomembrane is also introduced.
Geomembrane has a certain amount of deformation, the stress transfer and distribution of concave and convex defects of the bottom cushion are fast, and the strain capacity is strong. The pore pressure and floating support on the contact surface of composite geomembrane and soil are easy to dissipate. Composite geomembrane has a certain heat preservation effect, reducing soil frost heave damage to geomembrane, HDPE geomembrane, thus reducing soil deformation. Composite geomembrane embedded laying, has excellent aging resistance, reduce the maintenance of the project, maintenance. Composite geomembrane laying construction is simple, reduce the amount of transportation, reduce the cost of the project, shorten the construction period.
Composite geomembrane uses geomembrane instead of particle material as the protective layer of geomembrane, in order to protect the impervious layer of geomembrane from damage, reduce the grading requirements of cushion particle size, and can play the role of drainage. Composite geomembrane friction coefficient is large, can prevent the slip of the covering layer, than simple HDPE geomembrane more protective layer, composite geomembrane non-woven fabric has a larger friction coefficient, composite geomembrane can make slope ratio increase to reduce the area. Composite geomembrane has higher mechanical strength such as tensile, tearing, roof breaking and puncture.
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