Eurotec catalogue fastening technology Pagina 15
Offerta per clienti commerciali**I migliori venditori da Eurotec
Deck construction and landscaping First, the area is measured in the terrain (position, slope) and marked. Work is carried out on each of the sides, approx.10 cm beyond the width of the deck to stabilise the surface edges. good topsoil can be stored on heaps for further use on the planting areas or removed with the entire excavation work. Planum after digging, the subsurface (soil, natural ground) is levelled out, possibly improved (stabilised) and compacted. The flatness of the substructure is necessary to prevent the collection of water in uneven and sinking ground, which can later lead to lowering of the superstructure. • Example for the improvement of the substrate Too higher water content compensated by coarse gravel or burnt lime, in case of unfavourable grain composition (e.g. gravel 8/16, 16/32) incorporate missing grain sizes can be. Frost protection layer If necessary, an antifreeze layer can be installed, which consists of gravelsand or grit-sand mixtures of grain size 0/32 and should have a minimum thickness of 10 cm. after installation, the compacting of the layer takes place. at the same time, it also serves as a granular subbase, which prevents indentations of the base layer in the substructure. Base layer This is followed by the installation of the base layer. • Absorbtion and distribution of the traffic load • material: mineral gravel or recycled material with grit sizes 0/32, 0/45, 0/56. No zero-components if enhanced water permeability mineral concrete is required, e.g. under a mosaic pavement or plate coverings under a heavy load The thickness of the base layer depends on the expected load. after the gravel has been installed (compression factor 1.3), this is levelled, first a rough plan with the spade is made, followed by a fine planum with a rake. In this case, slopes (generally, 2% is sufficient) are observed. For terraces with garden access, the water can usually be led into the neighbouring beds, depending on the width of the path, a roof slope can be planned. Longitudinal gradients mostly result from the conditions of the terrain. For thicker layers, the compaction takes place layer by layer every 20 - 25 cm. In order to prevent the gravel from separating, it is installed and compacted when it is moist. 15 15
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