Construction and application of geomembranes in environmental protection projects
Release time:
Dec 30,2024
With the improvement of the survival and existence of industry, waste, chemical waste, landfill leakage risk of purification of small, soil, groundwater purification, causing significant harm to the human body.
With the improvement of the survival and existence of industry, waste, chemical waste, landfill leakage risk of purification of small, soil, groundwater purification, causing significant harm to the human body. The use of HDPE HDPE geomembrane to solve China's landfill has become a mature application of technology, more and more use of HDPE geomembrane to solve the environmental protection type of landfill has been widely used in the world. Landfills are a common type of landfill.
1 . Work before welding, first stop welding test, according to the weather parameters, choose the appropriate welding . Welding, welding equipment should be used. A large area of amateur welding, hot melt welding machine using T-type and cross-shaped double active creep welding; repair of scars, hot melt extrusion welding machine should be used .
2. Steep slope welding with ladder or scaffolding.
3. Anchor pit excavation: anchoring trench size U * 100cm * 100cm 100cm type groove, backfill or stop anchoring concrete; steep slope excavation platform excavation anchoring trench stop anchoring; anchors and anchors can be used to stop sealing.
4. Laying, cleaning, leveling, reaching the soil requirements, density, digging blind trench, drainage pipes and other needs. More specific under the solution can be solved according to the requirements of the plan.
5. Geotextile laying is completed, you can keep the liner pipe laying HDPE geomembrane. Prepare sandbags and other heavy objects, HDPE impermeable membrane pressure, do not let the wind blow. When laying, should minimize the range of welded seams, according to the land size of the practice, the appropriate choice of laying program.
News
Construction program for reservoirs using impermeable geomembranes
Considering that the pumped storage power station has higher requirements for the seepage control of the upper reservoir, and that the curtain seepage control is not only a big investment, but also difficult to guarantee the seepage control effect,
Drainage board construction process
Clean up the garbage at the laying site, cement leveling, so that there is no obvious unevenness at the site, outdoor garage roofs and roof gardens need to have a 2-5 ‰ slope finding.
Geotextile in the installation of construction should pay attention to what matters?
the geotextile can only be cut with a geotextile knife (hook knife), such as cutting on the site, other materials shall take special protective measures to prevent unnecessary damage to the geotextile due to cutting;
Application of geomembranes in highway engineering
Geomembranes are widely used in highway applications. In recent years, geomembranes have been more widely used in the projects I have been exposed to.
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.
Does geomembrane pollute the environment?
Geomembrane is usually referred to as polyethylene geomembrane, which is composed of polyethylene resin, carbon black, antioxidant and anti-aging masterbatch and other main raw materials. Geomembranes are used in a large number of desert tree planting projects, which can bring us a lot of benefits for these projects, and also can make our desert become like a lot of oasis.
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