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In civil engineering, approaches to underpasses, aqueducts, and sunken roadways often incorporate geomembrane constructions as groundwater barriers. The waterproof membrane must be installed at such a level that vertical equilibrium is maintained to prevent the construction from floating.
The installation of the geomembrane at depth can be done in two ways: through the sinking of geomembrane constructions, and the application of geomembranes in dry conditions. In both methods, Genap has years of experience and has completed a significant number of impressive projects.
By applying a synthetic layer, a waterproof barrier is created, allowing the infrastructure to be constructed in dry conditions.
In dry installation, a synthetic construction is applied for, among others, access ramps, underpasses of tunnels, aqueducts, and sunken roadways.
For the reconstruction of the Peelo Zuid road section, an underpass intersection and bicycle tunnel are planned, with membrane layers for construction pits following the U-polder principle. Genap supplied 8,000 m² of PVC membrane and 4,000 m² of protective fleece for this project for BAM Wegen bv, where spatial constraints necessitated an innovative approach.
Genap constructed a water-retaining membrane system for the installation of a sewage system below the groundwater level. The membrane system was submerged based on its own weight, without the use of a pontoon, to save costs and maximize efficiency.