Top 4 Onsite Dam and Pond Liners Solutions by GDT Lining

August 24, 2022

When the proper dam liners or pond liners is constructed and operated correctly on an engineering project, it can be a cost-effective approach to produce a sound fluid barrier. Dam and pond liner solutions may easily be optimized for the demand, although every construction project will have different factors that make it unique and every site/application will have its own set of complications.

Here, we will examine the top five site concerns that call for specific performance qualities from a GTD lining expert and determine which particular type of solution addresses those issues.

1. Limited space and incline.

For secondary containment systems’ perimeter berms and impediments, this circumstance occurs frequently. Because a steep slope maximizes the usage of land and liners, it is a desired and deliberate characteristic. Use a Dam liner in this circumstance that has the following qualities:

• High yield strength tensile.
• More than or equal to the sheet material’s shear strength seams.
• Thermal expansion-contraction is very little.
• Long-term UV protection.
• Strength demonstrated not compromised by fluids within

2. Defense of Dam and pond liners made of expanded polystyrene (EPS).

The use of EPS geofoam as a lightweight substitute for clay structural fill is expanding. Hydrocarbons, which are plentiful in many regions next to highways, bridges, and railroads, however, have the potential to harm them. In these circumstances, it is customary to enclose (wrap) the geofoam in a liner that has the following qualities:

• Chemical resistance to hydrocarbons and water.
• The ability to endure the rigorous of an installation and a building site.
• High resistance to punctures.
• Seams stronger than or equal to the shear strength of the sheet material.

3. Installation during cold temperatures.

Mother Nature is to blame when schedules and plans don’t always go as expected. For this example, earthwork, a sub grade, and some pipes are all ready, but rain delays and chilly weather cause the installation of a dam or pond lining project to be delayed. It is necessary to use a cold weather Dam liner with the following properties when temperatures are below the minimums advised for installing a dam liner:

• Work ability at low temperatures for placing, folding, and welding.
• Flexibility resistance at low temperatures for use in maintenance tasks.
• In both normal and arctic settings, hydrocarbon permeability is limited and there is chemical resistance.
• Abrasion and puncture resistance during and after installation.

4. Exposed liners of a Landfill.

Installing a hydraulic barrier over a finished landfill for a considerable amount of time, such as 10 years or more, is beneficial in some situations. This could take place in preparation for subsequent landfill modifications, or the site itself might call for an uncovered cover. These qualities are required of a liner used as an engineered exposed cover:

• Thermal expansion-contraction is very little.
• Extraordinary tolerance against UV.
• Low crystallinity and low susceptibility to fracture due to environmental stress.
• Puncture resistance and high yield tensile strength to withstand wind, sub grade, and maintenance.
• Seams stronger than or equal to the shear strength of the sheet material.