Installation Under; Driving Up To Slw60 - Graf ECO BLOC INSPECT 230 Notice D'installation

9. Installation under traffic areas for driving up to SLW60
9. Installation under traffic areas for driving up to SLW60
Figure
1: Installation under traffic areas used for driving up to SLW60
Designation
1 Traffic area
Superstructure in
accordance with the
2
applicable directives, e.g.
RStO 12
3 Upper levelling layer
2+3
Geotextile/plastic sealing
4
lane
5 Lateral backfilling
6 Granular subbase
7 Construction pit bottom
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





Depth Properties
In accordance  The local situation must be observed for
with the
applicable
directives
 Gravel carrying layer
 Free of foreign bodies
Min. 400 mm
 E
Min. 800 mm
Max. 2000 mm
 Infiltration application: wrapped completely in
 Retention application: 3-layered structure
 Gravel 8/16 mm [0.31/0.63"]
 Free of foreign bodies (such as roots,
To the upper
edge
 Permeability of the lateral backfilling should
of the blocks
 Gravel 8/16 mm [0.31/0.63"]
 Plane layer, without pointed objects, larger
80 – 100 mm
 E
 Horizontal, level and loadbearing planum
28 / 60
Notes:
 The infiltration crates are installed and
connected in accordance with chapter
6 and 7. Ventilation pipes must be
installed in green areas.
 The backfill materials for the different
soil layers must not exceed a
maximum density of 20 kN/m³ [124.86
lbs/ft³].
 The soil layers must be installed
evenly all around and compacted in
layers of max. 300 mm with light or
medium compaction units. A
compaction degree Dpr of ≥ 97%
should be reached.
 Use of compaction units with activated
vibration is not permitted.
 Sudden backfilling with large amounts
of soil is not permitted.
frost-free installation depth
≥ 45 MN/m²
V2
geotextile in order to prevent the ingression
of dirt through the surrounding soil
(geotextile-sealing lane-geotextile) to protect
the sealing lane and waterproof the tank
shards, garbage or organic material)
at least correspond to that of the adjacent
soil.
stones or similar foreign bodies
≥ 45 MN/m²
V2
made of infiltration-capable subsoil