How to extend the life of geomembranes?

In recent years, the use of geomembranes is still relatively wide range of municipal, environmental protection, water conservancy, highways, railroads and landfills, different use of the role played by the environment is not the same.

Geomembrane used in water conservancy projects, mainly underground waterproof seepage control construction, but also to improve the seepage control of irrigation canals, bridges on the use of geomembrane can change the performance of the road, improve the bearing capacity of the pavement, to extend the service life of the highway.

But in the use of geomembranes, but also to prevent the breakage of geomembranes, but geomembrane installation, its durability is relatively long, to know the durability of geomembranes include many aspects, mainly resistance to ultraviolet radiation, temperature changes, chemical and biological erosion, hydrolysis, mechanical wear and creep performance, direct exposure to ultraviolet radiation is a polymer aging of the more important factors, and moisture, temperature, ultraviolet light The combination of moisture, temperature and UV rays will further promote aging.

Geomembrane synthetic material refers to rock engineering, civil engineering polymer materials or polymer engineering materials have long been widely used in water conservancy, dams, construction and many other fields, qualified geomembrane life can reach 50 years, greatly reducing construction costs.

In major projects, geomembrane as a high-quality geotechnical materials used, but high-quality geomembrane can not only resist a variety of complex stress, but also to ensure that it is a long time to use in a variety of natural factors, so how to extend the life of the geomembrane?

Small make up to friends to say, first of all, geomembrane in the channel seepage control project on the use of polymer materials as an inherent characteristic, can not be completely eliminated, but can be used to extend the service life of effective measures.

On the one hand, it is in the geomembrane raw materials to add antioxidant, can inhibit light, oxygen, heat and other external factors on the role of the material, if you do not add the antioxidant, it is necessary to add the geomembrane in the construction process, to take appropriate measures to minimize the material in the sunlight exposure time, with the rock and soil or deep water to cover.

In civil engineering and water conservancy projects, often encountered in areas with complex terrain, geology and environment of the poor construction will bring a lot of impact on the life of the project, but the geomembrane can not only extend the life of civil engineering, shorten the construction time, save raw materials, but also reduce the construction costs.

Seepage control membrane is used to prevent seepage, it is a kind of film, because it is polyethylene plastic particles as the material processed, so it is a kind of plastic waterproof membrane. It can be processed and molded by calendering film extrusion cooling method.

In addition, there is a blown film method, is through the three-layer co-extrusion method of geomembrane blow molding to high-altitude cooling and stretching.

Seepage control geomembrane is a kind of polymer copolymer material, it has very low water vapor permeability coefficient, because of this it has very good seepage control ability, is a kind of modern science and technology products, in the reservoir embankment weir, slag treatment site, waste landfill, transpiration ponds, petrochemical mining, barren mines, artificial lakes, cisterns, fishponds and other fields have been vigorously used and promoted, is a very ambitious seepage control geotechnical new materials. It is a new material for geotechnical seepage control.

Translated with www.DeepL.com/Translator (free version)